Java Code Geeks (JCGs) is an independent online community focused on creating the ultimate Java-to-Java developers resource center; targeted at the technical architect, technical team lead (senior developer), project manager and junior developers alike. JCGs serve the Java, Scala, Android, SOA, Agile and Telecom communities with daily news written by domain experts, articles, tutorials, reviews, announcements, code snippets and open source projects.
Editorial TeamJava Code Geeks most important team members are their partners. Furthermore we welcome our readers to contribute news, articles, get involved in the discussion threads, and more. We are always on the lookout for partnering with community members that are interested in contributing towards the creation of the best online developers community. If you are one of them you will be welcome to join our team of community editors and news committers. Java Code Geeks editorial team currently consists of the following domain experts.
Eleftheria DrosopoulouEleftheria has graduated from the Department of Geology and Geo-environment of the Kapodistrian University of Athens. She holds a post graduation degree in geophysics and has attended numerous research programs where she has gained noteworthy experience in Java based programs especially Java based GIS solutions. She has also showed great interest in computer programming and web design.
Eleftheria KiourtzoglouEleftheria has graduated from the Department of Social Policy and Anthropology of the Panteion University of Athens. From an early age she showed great interest in computer programming and web design. Expert in web technologies using Joomla and WordPress platforms. She has designed several individual and corporate sites. She is also a junior JavaEE and .NET developer.
Michail KordelakosStudying at the Department of Informatics at University of Piraeus with specialization in Software Engineering and Intelligent Systems. Mainly created applications in C# and Java. Good knowledge of groovy and SQL. Also completed some online courses about Cryptography from Stanford University.
Nataly EvagorouNataly Evagorou has graduated from the Department of Informatics and Telecommunications of the National and Kapodistrian University of Athens. She is a Software Developer and her main interests include programming languages and web development technologies.
Aakrit PrasadAakrit is an industry professional presently responsible for leading product growth and innovation initiatives for Core & APM products at AppDynamics. With 7+ years of professional industry experience, he has worked in multiple different engineering & product leadership roles, gaining necessary skills to head enterprise grade, disruptive technology products. He was previously a Product Owner and Senior Staff Software & Performance Engineer at Salesforce, managing the core product performance & scale growth and capacity strategy. Prior to Salesforce, he worked as a Sr Software & Process Automation Engineer for numerous years. He has a M.S. in Computer Science with a focus on high performance computing & back-end distributed systems from the University of Chicago and a B.S.E. in Materials Science & Engineering specializing in Electronic Materials & Polymers from the Ohio State University.
Aaron NicholsAaron works with startups and small companies to help their development organizations move faster. He is presently the senior Operations Engineer at a startup in Boulder working on implementation of Continuous Deployment, automated monitoring & configuration management.
Abby FichtnerHacker in Residence at Harvard Innovation Lab & Dogpatch Labs | startup guardian angel awesomely eclectic crazy child
Abelardo GonzalezAbelardo Gonzalez is the Director of Product Marketing for EUM Solutions at AppDynamics focusing on identifying disruptive trends and innovative product initiatives in the enterprise. His primary responsibilities include leading AppDynamic's real user and synthetic monitoring product marketing programs. Abelardo is a leading expert in web and mobile performance with over 13 years of industry experience. He holds a masters degree from Governors State University, and earned his Bachelor of Arts degree from St. Edward’s University. Abelardo regularly contributes to technology publications such as Mobile Strategies 360 & Internet Retailing.
Abhijeet IyengarAbhijeet is a Software Engineer working with financial client . He has been involved in building UI and service based applications.
Abhijeet SutarAbhijeet (ajduke) is self-taught, self-organized software developer. His current go to language is Java and also he is exploring other languages such as Scala, Ruby.
Abhimanyu PrasadAbhimanyu is a passionate tech blogger and senior programmer, who has an extensive end-to-end development experience with wide range of technologies. He is the founder and administrator at jCombat.
Abhishek JainAbhishek is a lead software engineer with Impetus Technologies, pioneered in outsource product development. He has technical expertise in designing and implementing solutions around distributed application, database technologies, middle-ware technologies and SaaS platform.
Abhishek KothariAbhishek is a Web Developer with diverse skills across multiple Web development technologies. During his professional career, he has worked on numerous enterprise level applications and understood the technological architecture and complexities involved in making an exceptional project. His passion to share knowledge among the community through various mediums has led him towards being a Professional Online Trainer, Youtuber as well as Technical Content Writer.
Abhishek SomaniAbhishek is working as a senior java developer in a product start up .He has worked on various java related enterprise applications and frameworks. He loves to explore new technologies
Adam GibsonAdam Gibson is a deep-learning specialist based in San Francisco who works with Fortune 500 companies, hedge funds, PR firms and startup accelerators to create their machine-learning projects. Adam has a strong track record helping companies handle and interpret big realtime data. Adam has been a computer nerd since he was 13, and actively contributes to the open-source community through deeplearning4j.org.
Adam WarskiAdam is one of the co-founders of SoftwareMill, a company specialising in delivering customised software solutions. He is also involved in open-source projects, as a founder, lead developer or contributor to: Hibernate Envers, a Hibernate core module, which provides entity versioning/auditing capabilities; ElasticMQ, an SQS-compatible messaging server written in Scala; Veripacks, a tool to specify and verify inter-package dependencies, and others.
Adrian MateiAdrian Matei (ama [AT] codingpedia DOT org) is the founder of Podcastpedia.org and Codingpedia.org, computer science engineer, husband, father, curious and passionate about science, computers, software, education, economics, social equity, philosophy.
Adrianos DadisAdrianos is working as senior software engineer in telcos business domain. Particularly interested in enterprise integration, multi-tier architecture and middleware services. He mainly works with Weblogic, JBoss, Java EE, Spring, Drools, Oracle SOA Suite and various ESBs.
Ahmad GoharTechnical Team Leader with 9+ years experience in designing and developing enterprise Solution using Oracle, IBM, and Open Source. With a solid technical and academic background. Strong technical project management experience, coordinate demo's for QA team, performing code, design and test plan reviews.
Alan HamlettAlan is a full-stack developer who contributes to open source projects. He built WakaTime which is automated analytics for developers with plugins for Eclipse, IntelliJ and NetBeans among others. He writes on entrepreneurship and programming.
Alessandro BahgatAlessandro Bahgat is a generalist software engineer who loves to stand where technical challenges meet awesome product design. He constantly tries to balance a challenging day job with a good number of side projects.
Alessandro GioiaAlessandro started his career over 15 years ago and has worked for a variety of companies ranging from small start ups to large enterprises. His professional life changed around 10 years ago when he came across Agile methodologies, specially eXtreme Programming.
Alex BowersAlex Bowers designed the system at Shopblocks and is a lead developer of the product.
Alex FlemingAlex Fleming is a data professional who enjoys writing T-SQL a lot. His areas of interest include T-SQL, VBA, C#, and PowerShell. Please refer to his LinkedIn page for more information.
Alex SiminiucAlex Siminiuc is a Software Tester From Vancouver, Canada. He enjoys blogging about Selenium WebDriver test automation at Selenium Automation in Java. He also answers automation questions on Quora.
Alex TheedomAlex Theedom is a Senior Java Developer and has recently played a pivotal role in the architectural design and development of a microservice based, custom built lottery and instant win game platform. Alex has experience of Java web application development in a diverse range of fields including finance, e-learning, lottery and software development. He is the co-author of Professional Java EE Design Patterns and many articles.
Alex ZhitnitskyAlex is an engineer working with OverOps on a mission to help Java and Scala developers solve bugs in production and rid the world of buggy software. Passionate about all things tech, he is also the co-founder & lead of GDG Haifa, a local developer group. Alex holds a B.Sc from the Technion, Israel's Institute of Technology.
Alexandre MartinsAlex Martins is lead engineer at Globo.com, currently helping shape the technology vision and architecture of the live streaming platform. Before that he was Senior Consultant at ThoughtWorks, helping businesses become ready for the connected world.
Alexandre PorcelliDrools Guvnor
Alexandru JecanAlexandru Jecan is an entrepreneur and independent Java EE consultant from Munich, Germany. He has extensive experience on developing Java EE applications for corporate organizations and founded his own IT consulting company specialized on offering professional Java consulting services for the German market. In his free time Alexandru likes to read and to spend his time with his family.
Alexey ZvolinskiyAlexey is a test developer with solid experience in automation of web-applications using Java, TestNG and Selenium. He is so much into QA that even after work he provides training courses for junior QA engineers.
Alexis LopezJava Lover, certified as Java Programmer, Mobile Application Developer and Web Component Developer.
Allan KellyAllan Kelly inspires, educates and advises teams and executives creating digital products. He helps businesses improve their use of Agile methods and serve their customers better
Allen CheeAllen is a software developer working in the banking domain. Apart from hacking code and tinkering with technology, he reads a lot about history, so that mistakes of the past need not be repeated if they are remembered.
Alvaro GarciaAlvaro is a software developer who firmly believes in the eXtreme Programming methodology. He's embarked on a lifelong learning process and is now in a symbiotic exchange process with the Barcelona Software Craftsmanship meetup, where he is a co-organizer.He enjoys reading and reviewing technology books, providing feedback to the author whenever possible, to create the best experience for the final reader.Alvaro has been working in the IT industry for product companies, consulting firms and as a freelancer since 2005.
Amit MondalAmit is a Software Developer at Deutshce Telekom AG, Germany, primary focussing on the development of modules for OSGi Software Stack in QIVICON - a renowned Smart Home solution from Deutsche Telekom. He had completed his Bachelor’s Degree from National Institute of Technology (NIT), Durgapur, India in 2012 and recently finished his Master’s Degree from Technical University of Munich, Germany. He has experiences in enterprise Internet of Things related projects, in modular application development using OSGi and in Eclipse Frameworks. He is a passionate Java Developer and an Enthusiast. He is also an ardent Eclipse Open Source projects' contributor as well.
Amjad AfanahAmjad Afanah is the founder of DCHQ. He has extensive experience in application deployment automation and systems management. DCHQ was part of 500 Startups.
Ana NogalAna is an experienced software developer with a passion for the web and mobile technology. She has worked as a developer for the majority of her career and has had the opportunity to work in a wide variety of projects, with various languages and technologies. Ana joined Codurance as an apprentice to improve her technical skills and put the values of Software Craftsmanship into practice. She is committed to enhancing both her own knowledge and that of the wider software development community.
Anand AkelaAnand Akela is Director of Product Marketing for Application Performance Management (APM) at AppDynamics. Prior to his current role, Anand was head of product marketing of APM at CA Technologies. Earlier he worked at Oracle and HP in various product marketing, product management, and engineering roles in the systems management, servers, data center energy efficiency, and enterprise software areas. Anand has more than 20 years of experience in product marketing, product management, strategic planning and software development. Anand received his MBA from The Fuqua School of Business, Duke University and a B.S. in Computer Science from Pune University in India.
Anand KumarAnand has graduated from Kuvempu University, India in Electronics and Instrumentation department. He has over 8 years of IT experience and is mainly involved in design and programming for websites and server side logic using Java oriented technologies like spring-boot, spring-data, spring-security, Hibernate, etc. He has worked with start-up companies and small business setup to Large Multinational companies.
Andre Tadeu De CarvalhoAndre develops commercial softwares since 2007 and has been performing a wide-range of activities in the software development lifecycle. Andre is writing technical articles about DevOps automation and containers.
Andreas PomarolliAndreas has graduated from Computer Science and Bioinformatics at the University of Linz. During his studies he has been involved with a large number of research projects ranging from software engineering to data engineering and at least web engineering. His scientific focus includes the areas of software engineering, data engineering, web engineering and project management. He currently works as a software engineer in the IT sector where she is mainly involved with projects based on Java, Databases and Web Technologies.
Andrei CheremskoyAndrei is a Java Developer interested in Deep Learning. He hopes to help developers with just-in-time advice from the programming universe. Particularly, coming from Open Source and Java worlds related to Deep Learning such as Deeplearning4j library.
Andres Cespedes MoralesAndres is a Java Software Craftsman from Medellin Colombia, who strongly develops on DevOps practices, RESTful Web Services, Continuous integration and delivery. Andres is working to improve software process and modernizing software culture on Colombia.
Andrew BramptonAndrew Brampton started his career as a researcher, working on content distribution networks, peer to peer, and high performance networking. He left the academic world to work on real problems. Cutting his teeth at various small companies typically deploying Java software stacks. Currently he is a Site Reliability Engineer at Google, the team that keeps Google up and running at scale.
Andrey RedkoAndriy is a well-grounded software developer with more then 12 years of practical experience using Java/EE, C#/.NET, C++, Groovy, Ruby, functional programming (Scala), databases (MySQL, PostreSQL, Oracle) and NoSQL solutions (MongoDB, Redis).
Andriy AndrunevchynSoftware developer with 8 years of experiences in development of java enterprise solutions. Passionate about high load and distributed application development. In recent years, primarily involved in architectural design and team management. Lead of JUG Lviv (Ukraine), initiator of JDay Lviv
Angelika LangerAngelika Langer works as a trainer and consultant with a course curriculum of Java and C++ seminars. She enjoys speaking at conferences, among them JavaOne, JAX, JFokus, JavaZone and many more. She is author of the online “Java Generics FAQs” and a “Lambda Tutorial & Reference” at AngelikaLanger.com.
Anghel LeonardAnghel Leonard is a senior Java developer with more than 13 years of experience in Java SE, Java EE, and related frameworks. He has written and published more than 50 articles about Java technologies and more than 500 tips and tricks for many websites that are dedicated to programming. In addition, he has written many books including Mastering JavaServer Faces 2.2.
Anirudh BhatnagarAnirudh is a Java programmer with extensive experience in building Java/J2EE applications. He has always been fascinated by the new technologies and emerging trends in software development. He has been involved in propagating these changes and new technologies in his projects. He is an avid blogger and agile enthusiast who believes in writing clean and well tested code.
Ankur DesaiAnkur Desai is a Sr. Product Marketing Manager at MapR. He leads the go-to-market efforts for MapR Streams. Previously Ankur worked at SAP on product marketing of SAP HANA. Ankur holds an MBA from Dartmouth College, and a Bachelor of Engineering in Information Technology from University of Mumbai.
Annamalai ThangarajAnnamalai is a Software Engineer with 2+ years experience in Java, Spring, Struts, Hibernate, IDM/IAM, and Enterprise Web Application Development.
Ant KutscheraAnt is a freelance Java architect and developer. He has been writing a blog and white papers since 2004 and writes about anything he finds interesting, related to Java or software. Most recently he has been working on enterprise systems involving Eclipse RCP, Google GWT, Hibernate, Spring and J2ME. He believes very strongly in being involved in all parts of the software life cycle.
Anthony DahanneAnthony Dahanne is a Java software developer for 8 years, his favorite topics are Android, building tools, Continuous Integration and, of course, core Java development. Working for Terracotta, he currently implements the REST management interface for EhCache.
Anthony KilmanAt AppDynamics, Anthony Kilman works on Java instrumentation, including core Java Agent features and support for monitoring various JVM frameworks.
Anton ArhipovAnton is JRebel Product Lead at ZeroTurnaround. Professional interests include programming laguages, middleware and tooling. Java enthusiast, vim fan, IntelliJ addict and JetBrains Academy member. He blogs at "Code Impossible" blog and speaks at Java conferences.
Antonio CuccinielloAntonio's goal is to help you find your truest purpose in life. If you like his posts, then head over to his YouTube Channel or his blog where he posts about becoming the best person you can be!
Antonio Di MatteoAntonio is a passionate software engineer who continuously seek improvements and challenges. He is also a restless dreamer and at the moment he is potentially involved in such activity.
Antonio SantiagoA Computer Science as profession and hobby. Firm believer of Software Engineering and a lover of Agile methodologies. There is no ring to rule them all, every place needs to forge its own master ring. His main field of experience is the Java ecosystem, and he has also worked actively with many related web technologies while looking to improve the client side of web applications.
Antony Sampath Kumar reddy
Anuj KumarAnuj is working as a Senior S/W Engineer in Netherlands. He is a Sun Certified Java Professional with experience in design and development of mid/large scale Java applications. He is the creator of EasyTest Framework(https://github.com/EaseTech) which is a Data Driven Testing Framework for Java.
AppdynamicsAppDynamics delivers real-time access to every aspect of your business and operational performance, so you can anticipate problems, resolve them automatically, and make smarter, more certain business decisions. Application Intelligence provides the business and operational insights into application performance, user experience and business impact of your software applications.
Arieh BibliowiczArieh is a longtime programmer with more than 10 years of experience in enterprise grade software projects. He has worked as server-size programmer, team leader and system architect in a mission-critical high-availability systems. Arieh is currently a Program Manager (PM) in the Microsoft ILDC R&D center for the Azure Active Directory Application Proxy, and also a PhD student at the Technion where he is developing a Visual Programming Language based on the graphical language of the Object-Process Methodology, using Java and the Eclipse platform.
Arnon Rotem Gal Oz
Arpit AggarwalArpit is a Consultant at Xebia India. He has been designing and building J2EE applications since more than 6 years. He is fond of Object Oriented and lover of Functional programming. You can read more of his writings at aggarwalarpit.wordpress.com
Arpit MandliyaI am java developer at Tata Consultancy Services Ltd. My current area of interest are J2EE,web development and java design patterns. I am technology enthusiast trying to explore new technologies. In spare time,I love blogging.
Arthur ArtsArthur Arts is an experienced Enterprise Java software engineer and hands-on Agile Coach and Scrum Master. He has a strong focus on agile engineering principles and practices and loves to share his knowledge and learn from others. He has his own company Coded Value, is a passionate photographer and writes for agilearts.nl.
Artur MkrtchyanI'm a Senior Java/JEE Software Engineer with 8 years of solid industry experience. Currently leading engineering team at PayPal.
Arun GuptaArun is a technology enthusiast, avid runner, author of a best-selling book, globe trotter, a community guy, Java Champion, JavaOne Rockstar, JUG Leader, Minecraft Modder, Devoxx4Kids-er, and a Red Hatter.
Ashkrit SharmaPragmatic software developer who loves practice that makes software development fun and likes to develop high performance & low latency system.
Ashraf SarhanAshraf Sarhan is a passionate software engineer, an open source enthusiast, has a Bsc. degree in Computer and Information Systems from Alexandria University. He is experienced in building large, scalable and distributed enterprise applications/service in multiple domains. He also has a keen interest in JavaEE, SOA, Agile and Big Data technologies.
Ashwini KuntamukkalaAshwini is an open source, cloud and mobile development enthusiast. He has over 10 years of experience in leading and implementing several enterprise grade solutions in pharmacy, health care and travel industries. He is currently working as a Software Architect at SciSpike, Inc where they help their clients adopt best enterprise software development/governance practices through consulting, training and software development services. When not working and having fun with his family, he finds time to blog key ideas that he discovers when solving challenging problems.
Attila Mihaly Balazs
Augusto EvangelistiAugusto "Gus" Evangelisti is a software development professional, blogger, foosball player with great interest in people, software quality, agile and lean practices. He enjoys cooking, eating, learning and helping agile teams exceed customer expectations while having fun.
Aviran MordoAviran Mordo has over 20 years of experience in the software industry. He has been in many engineering roles and leading positions in start-ups and large corporations. Aviran is a tech-savvy and a technology blogger since the year 2000, with vast knowledge of the internet and software development.
Ayinde WilliamsAyinde Williams is a developer with over 8 years experience developing applications for various platforms. For the past 3 years he has focused primarily on mobile development, particularly the Android platform.
Bahaa Jod Alhaq
Baptiste WichtBaptiste Wicht is a swiss computer science student. He's very interested in Java, C++, Assembly, Compiler Theory, ... He also is the developer of the EDDI programming language.
Barry JonesBarry is a business owner, infrastructure nut, and database obsessed web developer who spends too much time in Ruby, Go and PHP code. He blogs about it at brightball.com
Bart BakkerBart is a technologist who specializes in agile software development. He is passionate about creating working software that is easy to change and to maintain.
Baskaran ChinnusamyBaskaran Chinnusamy is a software engineer has developed frameworks for companies. He also involved in different application developments and performance tunings. Currently he leads project development and designing applications
Belal GalalBelal is a full stack Java EE Developer with a good grasp of key skills like Analysis, Architecture and System Administration. He worked in different scale projects in a variety of domains such as inventory management, aerospace, finance, banking and telecom.
Benjamin CaneBenjamin Cane is a systems architect in the financial services industry. He writes about Linux systems administration on his blog and has recently published his first book, Red Hat Enterprise Linux Troubleshooting Guide
Bennet SchulzBennet is a JavaEE and JavaFX addicted IT Consultant working at codecentric AG in Hamburg, Germany. In his free time he is involved in several Java User Group activities and conferences. He regularly blogs about his projects and different Java topics.
Bernard LignyBernard is a Senior IT Architect working on the Java ecosystem since 1999 in many different functional areas. He feels passionate about building elegant, scalable and effective Java solutions using the most appropriate software and techniques, with these last years a particular interest in E.A.I.
Bharat SavaniHi, I am Bharat Savani. I am a Software Engineer who strongly believes in the power of Object oriented programming and test automation. As a tool, I use Java and try to learn more every day. I read books to quench my ever-growing thirst of knowledge. I blog my thoughts at http://goo.gl/ky1k2c.
Bhaskar SunkaraChief Technology Officer and Senior Vice President of Product Management of AppDynamics. As VP of Product Management, Bhaskar is responsible for product management, user experience, and field engineering enablement at AppDynamics. Bhaskar also drives AppDynamics' Customer-centric Innovation methodology to combine customer feedback with fast-paced innovation.
Pavan Kumar Bhatraju
Bilgin IbryamBilgin is a software craftsman based in London, integration architect at Red Hat, Apache Camel and Apache OFBiz committer. He is an open source fanatic, passionate about distributed systems, messaging, enterprise integration patterns, and application integration. He is also the author of Camel Design Patterns and Instant Apache Camel Message Routing books.
Bill BejeckHusband, father of 3, passionate about software development.
Billy KorandoBilly Korando is a software consultant with Keyhole Software in Kansas City and currently working on-site with YRC Freight. Billy has over eight years of experience in Java web development and has worked in the exciting industries like insurance, shipping, and healthcare.
Blaise DoughanTeam lead for the TopLink/EclipseLink JAXB & SDO implementations, and the Oracle representative on those specifications.
Bohdan BandrivskyyI have more then 8 years experiences as software developer. Last 7 years it's mainly java and java related technologies. Java fan :) and JUG Lviv participant and co-promoter
Boni SataniBoni Satani is a Java Technology Consultant working with Cygnet Infotech. He has undertaken various Projects in Java Web Application Development and J2EE Application Development including their maintenance and migration. You can connect with him over twitter @bonirulzz
Boris DuncanTc Duncan is a senior developer in Hong Kong. He has 10 years of development experience. In recent year, he is engaged in mobile development.
Boris LamBoris is an experienced Java developer with in Hong Kong. His expertise is in Java EE technology, object-oriented application development, and the use of open source frameworks (e.g. Spring , Apache MyFaces). In recent years, he is primarily involved in framework development and architectural design in serveral Government related software development projects.
Bozhidar BozhanovSenior Java developer, one of the top stackoverflow users, fluent with Java and Java technology stacks - Spring, JPA, JavaEE, as well as Android, Scala and any framework you throw at him. creator of Computoser - an algorithmic music composer. Worked on telecom projects, e-government and large-scale online recruitment and navigation platforms.
Brian Du Preez
Bryan SmithBryan Smith is a database professional focused on Microsoft technologies and Business Intelligence. He is experienced in industry, consulting, training, education, and technical sales.
Bhavani Prasad BVNS
Byron KiourtzoglouByron is a master software engineer working in the IT and Telecom domains. He is an applications developer in a wide variety of applications/services. He is currently acting as the team leader and technical architect for a proprietary service creation and integration platform for both the IT and Telecom industries in addition to a in-house big data real-time analytics solution. He is always fascinated by SOA, middleware services and mobile development. Byron is co-founder and Executive Editor at Java Code Geeks.
Cagdas BasaranerCagdas Basaraner is a software engineer graduated from Hacettepe University Computer Engineering department (Turkey), having 5 years professional experience. He is working on JEE web technologies, and also a former developer of information systems using Microsoft technologies and Command & Control (C4I) systems with Java technologies.
Calen LegaspiCalen is CEO and founder of Orange & Bronze Software Labs (http://orangeandbronze.com), an outsourcing, consulting & training firm based in Manila, specializing in Agile Software Development, Spring Framework and Grails. He is an advocate and trainer of Test-Driven Development, Object-Oriented Design, and Domain-Driven Design.
Carlo SciollaAn enterprise software engineer by day and Clojurian, meetup organizer, blogger and biker by night, Carlo is an Open Source enthusiast and passionate of every thing software. Currently working as Product Lead at Backbase, he is also the organizer of the Amsterdam Clojurians meetup and the yearly October Amsterdam Clojure conference.
Carlos Morera de la ChicaCarlos is a developer who is constantly looking for new ways to master the art of crafting software. He firmly believes in the software craftsmanship principles and bases his journey towards mastery on them.
CData Software Inc.CData Software (www.cdata.com) is a leading provider of standards-based drivers and data access solutions for real-time integration with on-premise and SaaS applications, NoSQL, and Big Data. Our drivers are universally accessible, providing straightforward access to popular data technologies like JDBC, ODBC, ADO.NET, and OData. Our tools offer real-time integration from BI, ETL, Reporting, Analytics and custom Apps to more than 100+ data sources, including Big Data & NoSQL databases, CRM, ERP, and Accounting packages.
Ch Shan Arshad
Chaklader Asfak Arefe
Chandan PandeyChandan is Sun Certified Enterprise Architect having 8+ years of hands on coding experience and wide range of domain exposure as CMS, Telecom, Networking and Banking. He practices Agility, writes Clean Code and believes that great leaning can be enabled only through even greater sharing.
Chidiebere OkwudireChidi Okwudire is a software engineer and freelance mobile app developer and consultant at SMash ICT Solutions. He is also the creator and maintainer of parse4cn1 - a library that brings the powers of Parse.com (and the open source Parse Server) to Codename One apps in a cross-platform way.
Chow Chi Sum
Chris AnatalioChris is a Software Engineer currently working as a consultant for a firm called Ippon Technologies. He attended Virginia Commonwealth University for a BS in Computer Science. He is active in blogging, social media and open source.
Chris WardChris Ward is a technical writer, speaker, and developer.
Christian GrobmeierChristian is a passionated software developer, architect and trainer. He is a member and VP of the Apache Software Foundation, working on projects like Struts, log4j and others. He founded Time & Bill and constantly tries out new ideas.
Christian HorsdalIndependent Consultant helping clients architect and develop real world solutions. Typically, but not always, based on the broader Microsoft ecosystem.
Christian MartinezSoftware craftsman who has worked in Spain (Madrid and Valencia) and now is based in London. Always interested in improving his skills.Christian started his career as a backend developer but some years later gave a switch and started developing mobile applications. After some years, he decided to go back to the backend world to continue learning new technologies and to work on more complex domains. Currently he is interested in test driven development, domain driven design and he is learning functional programming as his second programming paradigm.
Christian PostaChristian is a Principal Consultant at FuseSource specializing in developing enterprise software applications with an emphasis on software integration and messaging. His strengths include helping clients build software using industry best practices, Test Driven Design, ActiveMQ, Apache Camel, ServiceMix, Spring Framework, and most importantly, modeling complex domains so that they can be realized in software. He works primarily using Java and its many frameworks, but his favorite programming language is Python. He's in the midst of learning Scala and hopes to contribute to the Apache Apollo project.
Christopher MeyerChris works as a researcher and is eagerly looking for bugs in SSL/TLS, the Java platform and various applications. In addition, he is primarily interested in secure coding and exploiting coding mistakes.
Chryssa AliferiChryssa is a Computer Science graduate from Athens University of Economic and Business. During her studies, Chryssa carried out a great variety of projects ranging from networking to software engineering. She is very keen on front end development especially on mobile technologies and web applications. She has worked as a junior Software Engineer in the telecommunications area and currently works as an Android Developer.
Cindy PotvinCindy is a programmer with over 5 years of experience developing web applications. She also works on Android applications and share her knowledge via her blog and on Twitter.
Francisco Javier Briceño Sanchez
Carlos Javier Mayoral Benitez
Claus IbsenClaus Ibsen is a principal software engineer from Red Hat. Claus is working full time as Apache Camel committer. And is author of the "Camel in Action" book.
Clemens HelmPassionate web application developer and Ruby on Rails enthusiast, host of Codeship Testing Tuesdays. I love building and testing web applications and when I'm not coding I usually spend my time on boards.
codergearsCoder Gears develop products that offer a wide range of features. They are often described as a Swiss Army Knife for developers.
Norbert CsibraHe is a software engineer working in the JEE area. He is passionate about creating, high quality, easily changeable and maintainable software.
CUBA PlatformCUBA Platform is a full stack Java framework for enterprise applications development. Compared to popular frameworks like Grails it offers a higher level of abstraction, still allowing direct access to the low level API. CUBA Studio takes care of project and build files, database scripts, screens scaffolding, visual design and other routine tasks, enabling developer to focus on the application logic. With a wide range of out of the box components this provides massive development time savings, proven by hundreds of delivered projects. CUBA Platform is developed by Haulmont.
Dalip MahalDalip is a principal consultant at Accelerated Development and has worked his way through all aspects of software development. He started as a software engineer and worked his way through engineering and product management.
Dallas MonsonDallas Monson is a performance and results-driven Software Architect with a passion for refactoring and troubleshooting legacy and poorly performing code. Enjoys learning new technologies to enhance development and drive teams toward shared goals.
Damien LepageDamien is a software developer at Kijiji.ca, the leading classifieds web site in Canada and a branch of eBay classifieds. He's been working mostly with Java but is getting more and more interested in emerging languages on the JVM, especially Clojure.
Dani BuizaDaniel Gutierrez Diez holds a Master in Computer Science Engineering from the University of Oviedo (Spain) and a Post Grade as Specialist in Foreign Trade from the UNED (Spain). Daniel has been working for different clients and companies in several Java projects as programmer, designer, trainer, consultant and technical lead.
Daniel P. ClarkDaniel P. Clark is a freelance developer, as well as a Ruby and Rust enthusiast. He writes about Ruby on his personal site.
Daniel BryantDaniel Bryant spends his day working as a software development consultant, specialising in designing and deploying JVM and NoSQL-based business solutions to the cloud for Small-to-Medium Enterprises. By night he works on several open-source projects, primarily with the goal to contribute back to the community, but also to learn about exciting new technologies. Daniel is an active member of the London Java Community and as part of this role he is currently working on the 'Adopt OpenJDK' Betterrev project. This project strives to make contributions to the OpenJDK source code much simpler, with the ultimate goal of promoting community engagement in the Reference Implementation for Java. During any remaining spare time Daniel also keeps an eye on academic developments within Artificial Intelligence and defeasible reasoning, having gained a PhD in this topic during his misspent youth as an academic.
Daniel OlszewskiDaniel Olszewski is a software developer passionate about the JVM ecosystem and web development. He is an advocate of clean, maintainable, and well tested code
Daniel ShayaDaniel has been programming in Java since it was in beta. Working predominantly in the finance industry he has created real time trading and margin risk applications. He is currently a director at OpenHFT where we are building next generation Java low latency products.
Dave FecakDave Fecak has been recruiting software engineers for start-ups since 1998 and he has served as the founder and president of the Philadelphia Area Java Users’ Group since 2000. Dave is often cited and published on career topics for technology professionals, and he blogs at JobTipsForGeeks.com.
David GrayDavid is a software engineer with a passion for everything Java and the web. He is a server side java developer based in Derby, England by day and a Android, jQuery, jack of all trades by night.
David GreenDavid Green is a developer and aspiring software craftsman. He has been programming for 20 years but only getting paid to do it for the last 10; in that time he has worked for a variety of companies from small start-ups to global enterprises.
David KissDavid is a passionate software engineer specializing in building scalable web-applications using Java, Spring, Hibernate and Apache Camel. He is based in Toronto, Canada and is the founder of David Andras Consulting Ltd.
David LevanonDavid is a Backend Group Lead on OverOps’s R&D team, and the most laid back person you’ll ever meet. He also built Sam, OverOps’s internal build automation bot. When away from keyboard, David enjoys riding his motorcycle.
David SalterDavid is a software developer who has been developing software professionally since 1991. He started programming in Java way back with Java 1.0 developing desktop applications and applets. Since 2001 he has been developing enterprise and web applications using both Java standards and open source solutions. David is the author of "NetBeans IDE 8 Cookbook", "Building SOA-Based Composite Applications using NetBeans 6" and "Seam 2.x Web Development”.
David WongDavid is a software developer who has worked in the UK, Japan and Australia. He likes building apps in Java, web and Android technologies.
Davide Fiorentino Lo RegioKnown to investigate, prototype and deliver new and innovative solutions previously considered impossible, his life philosophy is “Make yourself better to make the best of everything and achieve the impossible.” Engaged in multiple projects for large organizations and consultanting for the United Nations, he won the “Premio Colosseo” in Rome, Italy
DCHQDCHQ is Advanced Platform for Automation of Container based Apps on any Cloud. The hosted platform is perfect for development teams that are quickly growing and looking to automate the deployment, life-cycle management and monitoring of applications to reduce the cost of replicating applications in DEV/TEST environments.
Debadatta MishraI am working as a Technical Architect at JDA Software. I have more than 7 years of industrial experience in the field of Java, XML, Web services, Cloud and Banking and Financial and Logistics domain. I have contributed many articles on Java in internet sites.
Debasish Ray Chawdhuri
Deepak KaranthDeepak is a tech consultant working on Software development, Agile and DevOps. He drives the overall technical strategy for organizations and relentlessly improves various aspects of the organization to deliver more value to customer. He helps companies build great software by bringing together three critical aspects to ensure successful software delivery – Technology, People and Process.
Denis ZhdanovDenis is a java developer working in a social messaging sphere. He is a lucky man to make his passion a profession.
Derek AndreHe is a software developer, based out of the Kansas City area. He loves BBQ and running, to work off said BBQ. He is also an amateur photographer. He mainly takes pictures of BBQ, though. His claim to fame is that he owns a Windows 7: Steve Ballmer Special Edition disc. It is actually a portkey that will take him directly to Steve at any time. Rock!
Dhiraj RayHe is a technology savvy professional with an exceptional capacity to analyze, solve problems and multi-task. He is an avid reader and a technology enthusiast who likes to be up to date with all the latest advancements happening in the techno world. He also runs his own blog @ devglan.com
Alexius DiakogiannisAuthor of JEE.gr, JEE Architect, Scrum Master, Enthusiastic Entrepreneur, Passionate Archer, Linux Lover and JAVA Geek!
Djaka Pribadi Maulana
Dmitry KomanovDmitry is a software developer at Wix.com, working on core services. Prior to joining Wix, Dmitry was a developer at Yandex.
Dmitry NoranovichDmitry teaches physics and moonlights as a Java developer. He is experienced in building Web applications using a full-profile application server as well as in Java SE. Also he is fond of teaching on-line programming courses
Dmitry YaraevDmitry brings over 10 years in software development to his role of a Senior Software Engineer at Grid Dynamics. He was previously a Software Engineer at several other companies where he found his way to BigData development.
Dominik PrzybyszDominik is a software developer in TouK, committer in Apache Aries and contributor in some open source projects. He writes code using generally the JVM languages, occasionally also makes some scripts in python or shell. Dominik loves testing (especially written in Spock) and any automation in the software development process. He takes care of the clean code (his or someone's else) through frequent code review
Dong MengAs a Data Scientist for MapR, Dong helps customers solve their business problems by leveraging his years of experience in statistical machine learning, data mining, and big data product development.
Dustin WhittleDustin Whittle is a Developer Evangelist at AppDynamics where he focuses on helping organizations manage application performance. Find out more at dustinwhittle.com.
Dzmitry VasinDzmitry is a software specialist and works on the backend side of a startup project with the main goal to gather people and give them better user experience. At the same time he is an organizer of the JET conference and pub-quiz for IT specialists - Geek Battle.
Edmund KirwanEdmund is a programmer with a telecoms company in Stockholm where he is currently working on a large-scale network simulator. In his spare time he thinks far too much about program-structure.
Edson TirelliDrools Expert, Drools Fusion
Edwin KlesmanEdwin is the Tech Lead at a Dutch startup for healthcare, called Proteges, located in Maastricht. He is a seasoned (cross-platform) mobile developer who likes to bring ideas to life with platforms like Xamarin and Azure. Edwin shares a lot of mobile developer content on his blog EEKAY ONLINE, and created Getappvise.ioGetappvise.io; an online resource that provides simple tools to help you realise your mobile app idea. Edwin is always thinking about apps, SaaS solution, creating the MVP, side projects and really digs SCRUM.
Ekaterina NovoseltsevaEkaterina Novoseltseva is a CMO at Apiumhub, a software development hub that specializes in software development and software architecture.
Elizabeth ThomasElizabeth Thomas is an enthusiastic Java developer, an avid learner, a technology enthusiast and a beginner runner.
Ellen FriedmanShe is a consultant and commentator on big data topics. Active in open source, she is committer for Apache Drill and Apache Mahout projects and co-author of many books on working with data in the Hadoop ecosystem. She has a PhD in biochemistry, years of experience as a research scientist and has written about a wide range of technical topics including biology, oceanography and the genetics of learning and memory.
Emil GalenMy name is Emil van Galen, I work for JDriven. I'm passionate about software development and continuously seeking for ways to improve code, learn new technologies, improving software design and keeping things fresh.
Emmanouil GkatziourasHe is a versatile software engineer with experience in a wide variety of applications/services.He is enthusiastic about new projects, embracing new technologies, and getting to know people in the field of software.
Eran KinsbrunerEran is Director, mobile evangelist at Perfecto with 20 years of software development and testing experience especially in the mobile space. An author of the “Digital Quality Handbook”, patent holder, blogger, speaker and thought leader
Eric FordEric Ford was born and raised in Silicon Valley, the son of an inventor and an English professor. He's run Eric Ford Consulting since leaving Apple in 1996.
Eric SchabellEric D. Schabell is the JBoss technology evangelist for Integration and BPM products at Red Hat. He is a writer, cyclist and software engineer but not always in that order.
Ethan JonesEthan Jones is a support engineer at Codeship. You might know Ethan from Codeship webinars or eBooks. If you're a Codeship user you most probably interacted with Ethan before.
Eugene FedorenkoI am a Senior Architect at Flexagon focusing on ADF and many other things.
Evan ConkleEvan is a Senior Enterprise Application Developer in the computer gaming industry. From application scaling to Hadoop, he masters complex data problems. He is also the founder of HadoopLogic.com.
Everett GriffithsEverett Griffiths is a senior software engineer with a passion for writing clean and tested code that scales.
Eyal GolanEyal is a professional software engineer and an architect. He is a developer and leader of highly sophisticated systems in different areas, such as networking, security, commerce and more.
Fabian StäberDr. Fabian Stäber is software developer, research and development lead, consultant, architect, at ConSol Software GmbH in Munich, Germany. Fabian is excited about Java server development, distributed systems, operations, and monitoring. His academic research was on decentralized, peer-to-peer-based network architectures.
Fabio CimoFabio is a passionate student in web tehnologies including front-end (HTML/CSS) and web design. He likes exploring as much as possible about the world wide web and how it can be more productive for us all. Currently he studies Computer Engineering, at the same time he works as a freelancer on both web programming and graphic design.
Fabio TudoneFabio Tudone is a software developer at Parallel Universe, tirelessly looking for ways to write better code.
Fahd ShariffFahd is a software engineer working in the financial services industry. He is passionate about technology and specializes in Java application development in distributed environments.
Farhan KhwajaFarhan is a software engineer working in retail domain. He is an ETL/UNIX/Teradata developer. He is also the founder and editor of Code 2 Learn.
Federico TomassettiFederico has a PhD in Polyglot Software Development. He is fascinated by all forms of software development with a focus on Model-Driven Development and Domain Specific Languages.
Felipe FernandezFelipe is a developer interested on creating well-crafted software, not only for users, but for future maintainers too. He believes that simple, clean and expressive code should be an ethical standard for the software industry and will mentor that concern. Felipe is a strong believer in the power of social communities and thinks that one of the pillars of professionalism lies in sharing knowledge and caring about the health of the industry.
Florian HopfFlorian is a software developer living in Singapore. He enjoys building search solutions based on Lucene, Solr and Elasticsearch and he's interested in topics like build automation and test driven development.
Folker DebusscherForeach is a Belgian software developer specialized in Java and .NET development. With thirty in-house developers, they mainly focus on designing and building complex web applications, with a preference for open source technologies.
Francesco AzzolaI'm a senior software engineer with more than 15 yrs old experience in JEE architecture. I'm SCEA certified (Sun Certified Enterprise Architect), SCWCD, SCJP. I'm an android enthusiast and i've worked for long time in the mobile development field.
Francis Adu Gyamfi
Francisco Ribeiro JuniorFrancisco is a senior software engineer working in the telecom/banking domain focused on Web Content Management. He has been technical lead on many projects for different Brazilian and worldwide clients.
Furkan KamaciFurkan KAMACI is a Machine Learning, NLP and Search Expert who loves Java! He works at Alcatel - Lucent as Integration Professional.
Gabriel CanepaHis main areas of expertise and interest are Linux system administration, shell scripting, database administration (SQL Server, MySQL, Oracle 11g), object-oriented and procedural programming (Python and PHP), desktop applications (C#, Visual Basic, Excel with VBA, to name a few) and web development (jQuery, HTML5, CSS3, PHP).
Gabriele TomassettiHe started developing software to make a football management simulation and never stopped. He likes C#.
Gael Jurin Nkouyee
Gal LevinskyGraduated B.s.c Information System Engineering on BGU University (2004). Been working on large cloud based ERP application in SAP for 7 years and as a development group manager in affiliation company. Co-founded few startups in the domain of social web.
Gareth GrinbergProject manager mainly, mostly for own mid-size Java projects. Likes compiled programming languages, basketball and sunny weather. Hates traffic jams.
Gaurav BhardwajGaurav has done Masters in Computer applications(MCA) and is working in Software development field for more than 7 years in Java/J2EE technologies. He is currently working with one of top MNC. He has worked on various frameworks like Struts, Spring, JSF, Velocity, iBatis, MyBatris, Hibernate, Junit, Dozzer. He likes to explore new technologies and share his thoughts by writing technical blog. He is founder of JavaSolutionsGuilde.blogspot.com.
Gaurav VarmaJ2EE enthusiast and engineer since 2008. Worked on multiple J2EE technologies. Currently concentrating on RESTful Web services and Core Java.
Geertjan WielengaGeertjan is involved with a variety of open source projects, in particular, with NetBeans IDE, the official IDE for the Java platform.
Geoffrey De SmetGeoffrey De Smet (Red Hat) is the lead and founder of OptaPlanner. Before joining Red Hat in 2010, he was formerly employed as a Java consultant, an A.I. researcher and an enterprise application project lead. He has contributed to many open source projects (such as drools, jbpm, pressgang, spring-richclient, several maven plugins, weld, arquillian, ...). Since he started OptaPlanner in 2006, he’s been passionately addicted to planning optimization.
Giancarlo FrisonHe learned gwbasic at 11 and clearing browsing data at 20. He believes that Schrödinger cat is half-dead. He hates corn and PPT.
Gianluca ArbezzanoGianluca Arbezzano is a Docker captain.
Gideon LiemGideon has been in IT software development voor more than 10 years and has fulfilled many roles, amongst others lead developer, trainer and Scrum Master. Always passionate about quality and never satisfied with the mundane, Gideon searches for better solutions in the way we work.
Gilad MaayanGilad is the CEO and Founder of Agile SEO, a digital marketing agency focused on SaaS and technology clients. He has done strategic consulting, content marketing, and SEO/SEM for over 150 technology companies including Zend, Oracle, Electric Cloud, JFrog and Check Point. Together with his team, he's helped numerous tech startups move from zero to tens of thousands of users, and driven double to triple digit growth in conversion and revenue for established software businesses.
Giulia MantuanoGiulia has been working in the creative industry since 2002.Having worked as Art Director in an integrated communications agency and as design consultant, she has developed both the design talent and business knowledge necessary for creating meaningful holistic brand experiences.During her career, she has worked for government institutions, medium and big companies and small start-ups, from several industries; healthcare, tourism, food & beverage, electronics, software development, education and performing arts.
Glyn NormingtonGlyn leads the Eclipse Virgo open source project. He also works on OSGi standards for SpringSource/VMware. Previously he spent 26 years working for IBM on graphics software, transactional middleware, and Java runtimes.
Greg YotzGreg Yotz is a software architect at Keyhole Software with 10 years of experience in cross-platform development. He has a big passion for 3D development, and is an avid aviation enthusiast and gamer.
Gregor RieglerGregor is a passionate software engineer and RESTafarian who loves to continuously improve. He is interested in modern web development, oo-design and extreme programming. He is also serious about clean code and TDD.
Grigoris IliopoulosGrigoris Iliopoulos is a Java Developer at ICAP Group, interested in J2EE technologies and open source enthusiast. He has worked as a developer in a wide variety of application/services. He holds a degree in Computer Science from the University of Crete and lives in Athens.
Grzegorz MirekGrzegorz is a software developer from Cracow, Poland. He started his adventure with Java roughly 6 years ago when he was at university and since that time, he keeps expanding his knowledge in this field. He is especially interested in JVM performance and optimisations and this is what he mostly blogs about.
Gualtiero TestaGualtiero is a software analyst, architect and developer in the Health, Insurance, Government and Banking domains. Test Driven Development, software testing and code quality are his main interests.
Gunther VerheyenGunther Verheyen is an independent Scrum Caretaker; a connector, writer, speaker, humaniser. He has been facilitating unlearning and learning in Scrum since 2003.
Gurpreet SachdevaGurpreet is a technical leader with deep hands-on experience, and passion for building software with delightful customer experience. He is passionate about building large enterprise, cloud scale, and customer centric software.
Hazem Ben Khalfallah
Hebert CoelhoSenior Java Development, with 4 certifications and a published book about JSF (portuguese only). Founder of the blog uaiHebert.com visited from more than 170 different countries.
Heiko RuppHeiko is a senior software engineer working at Red Hat in the area of systems management (RHQ project). He also works on an open source Twitter client called Zwitscher.
Henn IdanHenn works at OverOps, helping developers know when and why code breaks in production. She writes about Java, Scala and everything in between. Lover of gadgets, apps, technology and tea.
Hessam MoqaddamHessam is a former .NET developer who moved to the world of Java 6 years ago. Now a Java EE developer and programming instructor he works as Java Card programmer for a company that provides banking solutions. He is also interested in performance tuning and “enjoys” reading other people’s codes.
Hildeberto MendoncaHildeberto is a PhD in Applied Sciences working as a Senior Java Architect in the education domain. He has a special interest on Java EE technologies and loves to share his knowledge with the community.
Holger SteanhauerHe's a passionate developer with more than 12 years of experience and he loves exploring all kinds of tech and languages – at work and in his free time.
Hubert IkkinkMy name is Hubert A. Klein Ikkink also known as mrhaki. I work at the great IT company JDriven. Here I work on projects with Groovy & Grails, Gradle and Spring. At JDriven we focus on SpringSource technologies. All colleagues want to learn new technologies, support craftmanship and are very eager to learn. This is truly a great environment to work in.
Hugh HamillHugh is a Senior Software Engineer and Certified Scrum Master based in Galway, Ireland. He achieved his B.Sc. in Applied Computing from Waterford Institute of Technology in 2002 and has been working in industry since then. He has worked for a several large blue chip software companies listed on both the NASDAQ and NYSE.
Hussein TerekHussein is a senior software engineer with 5 years of experience in software design, development and integration. He is the author and founder of Programmer Gate (www.programmergate.com) blog.
Ibrahim TasyurtIbrahim is a Senior Software Engineer residing in Ankara,Turkey. He holds BSc and MS degrees in Computer Engineering from Middle East Technical University(METU). Throughout his professional carrier, he has worked in Enterprise Web Application projects for public sector and telecommunications domains. Java EE, Web Services and Enterprise Application Integration are the areas he is primarily involved with.
Idan FridmanIdan is Software engineer with experience in Server side technologies. Idan is responsible for various infrastructure models in the software industry(Telecommunications, Finance).
Idris AzeezIdris is a backend Software Developer with experience in developing Enterprise applications using Java. He is also a Software Developer with programming experience of close to 3 years. He loves to code and also teach. You can find him on LinkedIn.
Ilias KoutsakisIlias has graduated from the Department of Informatics and Telecommunications of the National and Kapodistrian University of Athens. He is interested in all aspects of software engineering, particularly data mining, and loves the challenge of working with new technologies. He is pursuing the dream of clean and readable code on a daily basis.
Ilias TsagklisIlias is a software developer turned online entrepreneur. He is co-founder and Executive Editor at Java Code Geeks.
Ima MiriIma is a Senior Software Developer in enterprise application design and development. She is experienced in high traffic websites for e-commerce, media and financial services. She is interested in new technologies and innovation area along with technical writing. Her main focus is on web architecture, web technologies, java/j2ee, Open source and mobile development for android.
Ioan FagarasanSo far in his career Ioan has done Windows development for Desktop in C and C++, web development in PHP and .NET, and framework development in .NET. The latter introduced him to the concept of writing clean, robust code. Along the way Ioan has started to appreciate its value. Now he's committed to fully embrace this very fine art.Ioan believes software is awesome, and for that reason he enjoys software engineering, algorithms, and expressing ideas through code both professionally and as a hobby.
Iris ShoorIris is a serial entrepreneur and co-founder at Takipi where she designs tools that help developers debug Java and Scala in production. Her main interests are creative products, marketing for developers and nitpicking small UX details
Issam HijaziIssam Hijazi is a Senior Data Integration Engineer at Oracle, covering wide range of integration products that help organizations around the world to understand and build the right data foundation. He is enthusiastic about big data, and a data science evangelist. He got into the technology world at a very young age, and coded his very first line at the age of 10. Since then, he’s built substantial experience in many areas and mastered many products from industry leaders such as Oracle, IBM, Microsoft, MapR and many others. Issam’s known to be the guy to go to when things get complicated and no one has a solution.
Ivar GrimstadIvar Grimstad is an experienced software architect focusing on Enterprise Java. He is participating in the Java Community Process as a member of the Expert Groups for JSR 368 (JMS 2.1), JSR 371 (MVC 1.0), JSR 375 (Java EE Security API). He is also a member of the NetBeans Dream Team.
Jacob ZimmermanJacob is a certified Java programmer (level 1) and Python enthusiast. He loves to solve large problems with programming and considers himself pretty good at design.
Jagadeesh ManneJagadeesh Manne is a enthusiastic programmer and technology evangelist. By profession a senior software engineer. Personally enjoys adventure, tech talks and family.
Jaibeer MalikJaibeer is an experienced Java Software Architect and Agile enthusiast with a passion for new technologies, clean code and agile development.
Jaikiran PaiJaikiran works for Red Hat and is a developer in the JBoss application server development team. He's one of the authors of "JBoss AS Getting Started" DZone RefCard. When he's not doing anything JBoss related, you can usually find him at JavaRanch, in his role as a Sheriff(Moderator). He blogs at jaitechwriteups
Jakub HolyJakub is an experienced Java[EE] developer working for a lean & agile consultancy in Norway. He is interested in code quality, developer productivity, testing, and in how to make projects succeed.
Jakub KubrynskiI'm software developer by vocation. Java team leader at work and open source enthusiast at home. Strongly interested in new technologies. Fan of java.util.concurrent and sun.misc.Unsafe. My motto is "minimum code, maximum functionality.
Jakub NabrdalikJakub is a software developer: programmer, architect, analyst, team leader, project manager and coach at TouK. Infected with eXtreme Programming and Software Craftsmanship. Test driving and pair programming web and enterprise applications since 2005 in several languages.
James SunJames Sun manages the technological relationship with worldwide alliances at MapR Technologies. James has over 15 years of experience in information technology. Prior to MapR, he held several senior technical positions at companies such as NetApp, Yahoo and EMC. He holds a PhD degree from Stanford University.
Jamie CraaneJamie develops software professionally since 2001 for a variety of small and large organizations. Assignments vary from the development of mobile and web applications to software architecture. He watches and studies new technology closely to find out how this can be applied in software solutions. The ultimate goal is to realize a solution that really matters. Besides developing software, Jamie gives presentations and training on a regular basis on various subjects and technologies.
Jamie MercerJamie Mercer is a technology writer covering all things web and software development. His key interests encompass technology management, tech careers and recruitment.
Janaka BandaraA budding software engineer in the enterprise integration space, and a simplistic guy who likes to learn, appreciate, help, share, and enjoy life
Java With the BestOur Mission: To connect professionals, developers, and students with tech industry experts from all around the world through an interactive online conference in order to improve their skills. Our Vision: Continue to be the world’s largest online developer conference series, assemble the world’s most innovative and disruptive speakers, and inspire professionals/developers/students to learn and improve tech skills
Javier ManzanoJavier is an Android and node.js developer. Working day to day on new pet projects. Founder of Parkuik and Codeely.
Javier PanizaJavier Paniza is the creator and project lead for OpenXava, an open source Java framework for rapid development of enterprise applications. He has been developing Java Enterprise applications for banking and Spanish public administration since 1998. Also he has been J2EE mentor and trainer for development teams.
Javin PaulI have been working in Java, FIX Tutorial and Tibco RV messaging technology from past 7 years. I am interested in writing and meeting people, reading and learning about new subjects.
Jesus BoadasI'm a self taught programmer, I began programming back in 1991 using an IBM A10 mainframe with Pascal an Assembler IBM 360/70 emulator and Turbo C on a X86 PC, since that I work for the banking industry with emerging technologies like Fox Pro, Visual Fox Pro, Visual Basic, Visual C++, Borland C++, lately I moved out to the Airline industry, leading designing and programming in-house web applications with Flex, Actionscript, PHP, Python and Rails and in the last 7 years I focused all my work in Java, working on Linux servers using GlassFish, TomCat, Apache and MySql.
Java Code GeeksJCGs (Java Code Geeks) is an independent online community focused on creating the ultimate Java to Java developers resource center; targeted at the technical architect, technical team lead (senior developer), project manager and junior developers alike. JCGs serve the Java, SOA, Agile and Telecom communities with daily news written by domain experts, articles, tutorials, reviews, announcements, code snippets and open source projects.
Jean DeruelleTeleStax Co-Founder.Previously member of the JBoss R&D, working mostly on the Mobicents Platform and more specifically leading the Mobicents Sip Servlets open source project.
Jennifer MarshJennifer Marsh is a software developer, programmer and technology writer and also blogs for Rackspace Hosting. Rackspace Hosting is the service leader in cloud computing, and a founder of OpenStack, an open source cloud operating system. The San Antonio-based company provides Fanatical Support to its customers and partners, across a portfolio of IT services, including Managed Hosting and Cloud Computing.
Jens DetersJens Deters is a Senior Software Developer working in the domain of Aviation Authorities. His main objectives are RIA and Desktop Applications also he loves to play with IoT related stuff.
Jerry OrrJerry Orr is a software developer who currently spends most of his time on Java web applications. He has worked in a variety of domains, including commercial software, higher education, state government, and federal government.
Jerry TanJerry is a Senior Software Engineer with over 17 years’ experience in the financial services industry. He currently leads a small team of developers working on JEE and Spring web applications. Jerry graduated with honors with a law degree from the University of Texas at Austin, and magna cum laude from Hunter College with a Bachelor of Arts in English and Economics, and was awarded his CISSP from (ISC)2 in 2015.
Jervis LiuDrools Guvnor
Jessica ThornsbyJessica Thornsby is a technical writer based in Sheffield. When she isn't obsessing over Android and open source, she enjoys researching her family tree, running the CD reviews section over at Leeds Music Scene, and hanging out with her animals.
Jim BirdJim is an experienced CTO, software development manager and project manager, who has worked on high-performance, high-reliability mission-critical systems for many years, as well as building software development tools. His current interests include scaling Lean and Agile software development methodologies, software security and software assurance.
Jim MarinoJim is a specialist in middleware technologies at Metaform Systems where he helps clients deliver systems with an emphasis on high-reliability and low-latency. Prior to Metaform, Jim was Director of Technology at BEA Systems.
Johanna RothmanJohanna consults, speaks, and writes about managing product development. She helps managers and leaders do reasonable things that work. You can read more of her writings at jrothman.com.
Johannes BrodwallJohannes is the chief scientist of the software offshore company Exilesoft. He's got close to 15 years programming Java, C# and a long time ago other languages as well. He believes that programming is about more than just writing the code, but that too many people lose touch with the coding as well. He has been organizing software development activities in Oslo for many years. In addition, he often speaks at conferences all over Europe.
Johannes ThonesJohannes is a Software-Developer, ThoughtWorker, Permanent Journeyman, Ruby Enthusiast, Java and Devils Advocate. He lives and works in Hamburg, Germany.
John BoardmanJohn is a Sr. Keyhole Consultant with 20+ years of experience in C, C++, Java, and IoT enterprise software design and development. Also currently writing a multi-platform, multi-user game in Unity3d (and server in Java) and have written custom graphical game engine clients in C and C++ on several platforms.
John KostarasSoftware architect awarded the 2012 Duke's Choice Community Choice Award and co-organizing the hottest Java conference on earth, JCrete.
John Mc cleanJohn is an Architect at AOL. He works in the ad tech and platforms group, where he leads the advertising demand side forecasting team. A team that builds and runs a system that processes billions of RTB, impression and viewability records in realtime to generate price volume curves and other forecasts for advertising campaigns in milliseconds. John is also the lead developer for AOL open source projects cyclops-react and Microserver. Extracted from AOL’s forecasting system these projects allow AOL to rapidly deploy new features that work at scale, by guiding Java developers along the path of functional, reactive, microservices.
John SonmezJohn Sonmez is the founder of Simple Programmer and a life coach for software developers. He is the best selling author of the book "Soft Skills: The Software Developer's Life Manual."
Jon GuentherJon Guenther is a senior software engineer and published author with more than fifteen years experience in various industry sectors. He currently manages support operations for web and mobile banking applications
Jonathan TanJon is a professional software engineer currently working in financial trading systems. He has worked in a wide variety of projects that includes mobile games, 3D visualization, artificial intelligence, banking and trading systems. He loves to teach people and expresses his passion through blogging.
Jonny HackettJonny is a Senior Software Engineer and Mentor with 15+ years of experience in IT. As a Java Developer, avid SportingKC fan, and photographer
Joonas JavanainenJoonas is a passionate software developer from Finland. He has worked on a multitude of problem domains, and focuses professionally on functional programming and JVM-based technologies.
Joram BarrezJoram is an all-around software engineer with a keen interest in anything that is slightly related to software development. After working with Ruby on Rails at the university, he became a java consultant specializing in jBPM which later led him to joining the jBPM project as JBoss employee. He left JBoss for starting the Activiti project together with Tom Baeyens (also ex-JBoss) at Alfresco .Besides Activiti, he is also heavily involved with iOS development and the workflow features for the Alfresco Mobile app.
Jorge GeronimoJorge is a Solution Architect on the MapR Sales Team, and is based in the Bay Area California. Jorge has over a decade of data technology experience focusing on enabling customers to leverage major database platforms including Teradata, Vertica, Oracle, and Microsoft SQL Server. His current interests are focused on Apache Kafka, Spark, and Drill.
Jose LuisJose Luis is a computer scientist and professional senior software engineer with experience in a wide variety of technologies, particularly those oriented towards the JVM platform. He is mainly interested in back-end development and Agile practices that make software development both more fun and more valuable to customers.
Jose RiquelmeJose C. Riquelme, is full professor in the University of Sevilla in Spain. This is the author of the blog http://laprogramacionnoesunarte.blogspot.com.es.
Josh JuneauJosh is an application developer and technical writer. He has authored several books for Apress, primarily focusing on Java development. Most recently, he has authored Java EE 7 Recipes, Introducing Java EE 7, and Java 8 Recipes. Josh is a member of the JCP, and he is on the JSF 2.3 Expert Group.
Joshua WhiteJoshua White has more than twelve years of experience developing and architecting complex software systems for a number of financial and health services organizations. Joshua is also co-author of the book Spring in Practice (Manning).
Juan Manuel Serrano Fontana
Julen PardoJulen holds his Bachelor's Degree in Computer Engineering from Mondragon Unibertsitatea, in Spain. Currently he is working in Munich, Germany, as Software Engineer. He contributes to open source projects with plugins, and he also develops his own, open-source projects. Julen is continuously trying to learn and adopt Software Engineering principles and practices to build better, more secure, readable and maintainable software.
Junald BayogJunald is a student, learner and programming enthusiast. He is passionate on Java technologies and OOP in general. He loves to teach what he's learned, what he's currently learning and what he's willing to learn.
Justin BoyerJustin has been a software developer for 7 years doing development across all layers and multiple languages and frameworks. He's recently made the switch to security, becoming CSSLP and Security+ certified . He blogs about application security practices and principles at Green Machine Security.
Justin BrandenburgJustin is a Data Scientist in the MapR Professional Services group. Justin has experience in a number of data areas ranging from counter narcotics to cyber intrusion analysis. In past projects, he has utilized machine learning, econometrics, graph analytics and agent-based modeling to fulfill the customer needs. He has a undergraduate degree in Economics from Va Tech, a Masters in Economics from Johns Hopkins University and a Masters in Computational Social Science from George Mason University.
Justin Vaughan-BrownJustin Vaughan-Brown is a regular content contributor on the digital transformation, DevOps and CIO agenda topics, is the author of three strategy papers, and has presented at several Gartner Symposiums and other major conferences worldwide.
Justin WeissBy day, Justin Weiss manages several teams of developers at Avvo. On his website, Justin writes clear, simple tutorials to help Rails developers write fast, clean, well-tested apps, and has hand-picked his best for you.
Kai WaehnerKai Waehner works as consultant. His main area of expertise lies within the fields of Java EE, SOA, Cloud Computing, BPM, Big Data, and Enterprise Architecture Management. He is speaker at international IT conferences such as JavaOne, ApacheCon or OOP, writes articles for professional journals, and shares his experiences with new technologies on his blog.
Kajal BhattKajal is a passionate Java/JEE developer who lives in Melbourne, Australia. She has been into developing enterprise applications for over 12 years now and currently working as a freelancer. Her main area of interest is design patterns, Spring, REST and persistence technologies.
Kamesh RaoKamesh is a Software Development Engineer at Amazon.com working in Advertising and Payments domain. He has extensive experience in web and mobile platform and applications development with hands on experience in Java, C++, Ruby, Scala, Objective-C among others.
Kamil Szymanskisoftware developer, JVM & open-source enthusiast
Kapil Viren AhujaKapil Viren Ahuja is a Senior Manager, Technology from SapientNitro’s Gurgaon Office. Kapil is the solution architect working on Digital Marketing Platforms and has worked for accounts including NASCAR, Richemont, Alex and Ani. Kapil has also been the Lead Architect on the SapientNitro’s EngagedNow platform. In his role Kapil is responsible for driving technical solutions and delivery on various projects. Kapil over the course of his 15 years of total experience has worked on several technologies spanning from Enterprise technical stacks to CMS to Experience technologies. Kapil is also an evangelist of new technologies and loves to go beyond the same old day to day work and find new and innovative ways to do the same things more effectively.
Karen WhippleKaren Whipple is Marketing Communications Manager at MapR.
Karibasappa GCKaribasappa(KB) is a software engineer in Finance Domain. and he is having very good experience in developing applications using Java/J2EE technologies and related frameworks. He is currently working on Spring with web service application.
Kate KucherenkoKate Kucherenko is a content specialist at Agilie, a software development and design company. We provide a full stack of product development services - from intelligent product design to development of mobile iOS and Android apps, mobile-friendly websites and cloud-based solutions.
Kaushik PalKaushik has 16 years of experience as a technical architect and software consultant in enterprise application and product development. He has interest in new technology and innovation area along with technical writing. His main focus is on web architecture, web technologies, java/j2ee, Open source, big data and semantic technologies. He has demonstrated his expertise in requirement analysis, architecture design & implementation, technical use case preparation, and software development. His experience has spanned in different domains like Insurance, banking, airlines, shipping, document management etc. Kaushik worked with a wide variety of technologies starting from Mainframe (IBM S/390), midrange (AS/400), web technologies and open source area. He has worked with clients like IBM, Lexmark, United Airlines and many more.
Kayleigh OliverKayleigh leads the battle against bugs at Immerse.io and is an app developer with a keen interest in building cross-platform solutions. Kayleigh shares what she's currently learning and doing on her blog kayleigholiver.com.
Kees Jan Koster
Ketan ParmarKetan Parmar (aka KPBird) is software engineer with 7 years experience, He is passionate about Java (SE,EE,ME),Android,BlackBerry, Grid Computing, Big Data, UI/UX and Open Source
Kevin GoldbergKevin is the Senior Content Marketing Manager for AppDynamics. He's a longtime suffering San Diego Chargers and Padres fan. You can follow him on Twitter at @Kevin_Goldberg
MD. ASHIK ALI KHAN
Kim Saabye Pedersen
Kirk PepperdineKirk works as a consultant offering Java performance-related services and training. In 2006 has nominated as Java Champion by his peers in recognition of his work performance tuning Java applications. Kirk has written many articles and spoken at several conferences on the subject of performance tuning. He helped evolvewww.javaperformancetuning.com as a resource for performance tuning tips and information. Recently he founded co-jClarity, a company, which is focused on building the next generation of performance diagnostic tooling.
Koen SerneelsKoen Serneels is a Senior JAVA software engineer with several IBM, Cisco, and Oracle certifications. For more than 10 years he has developed enterprise solutions using Java(EE), Spring, Spring MVC, Web Flow, JSF, and Hibernate. He holds a keen interest in system architecture and integration, data modeling, relational databases, security and networks. Beginning his career with the Belgian federal government, Koen developed highly transactional Java-based applications with legacy integration. Currently, he is employed by Hewlett-Packard and is a Java software consultant and technical lead for the Flemish government in Belgium. He also teaches a graduate course on "Software Development with Java" at the Groep T Engineering School in Leuven, Belgium and is co-author of the book on "Pro Spring MVC with Web Flow" by Apress.
Konstantina DimtsaKonstantina has graduated from the Department of Informatics and Telecommunications in National and Kapodistrian University of Athens (NKUA) and she is currently pursuing M.Sc studies in Advanced Information Systems at the same department. She is also working as a research associate for NKUA in the field of telecommunications. Her main interests lie in software engineering, web applications, databases and telecommunications.
Kostiantyn KudriavtsevI'm software developer w/ passion for bigdata and distributed systems
Kris VerlaenenKris is a Senior Software Engineer at JBoss, by Red Hat, where he leads the jBPM project (an open-source business process management (BPM) suite), and is also part of the Drools project (an open-source Java rules engine). The jBPM project consists of a lightweight workflow engine in Java that support native BPMN 2.0 execution and various tools and features around that to support business processes throughout their entire life cycle.Kris did a PhD in Computer Science at the Katholieke Universiteit Leuven, Belgium. His main research area is policy-based management, i.e. using declarative policy rules for configuring services, resulting in highly-configurable, reusable services. He has experience and a great intrest in policy-based and rule-based systems, workflow management, service-oriented software development and clinical decision support.In his spare time, Kris also does athletics (ROBA) and plays volleybal (Berg Op Wijgmaal, Heren2).
Kristin JackvonyKristin Jackvony discovered her passion for software testing after working as a music educator for nearly two decades. She has been a QA engineer, manager, and lead for the last eight years and is currently working as a QA Lead at Paylocity. She writes a weekly blog called Think Like a Tester, which helps software testers focus on the fundamentals of testing.
Laura FrankLaura Frank is the Director of Engineering at Codeship. She loves containers, Docker, Golang, Ruby, distributed computing and hummus, but not necessarily in that order.
Leigh HallidayLeigh Halliday is a developer at Regalii. He writes about Ruby, Rails, and software development on his personal site.
Leon ClaytonLeon Clayton serves as Solutions Architect for Mapr Technologies in which role he engages with users to discuss how breakthrough technologies can tackle the unstructured /structures data analytics market. Mr Clayton has been a technologist within clustered systems from numerous vendors including the Royal Navy.
Leonardo ShikidaLeonardo is a Systems Analyst and Java Senior Developer at IBM (The postings on his site are his own and don't necessarily represent IBM's positions, strategies or opinions.)
Liam GriffinLiam is a developer with experience building cloud-based .NET applications on Azure, but is also interested in functional languages such as Haskell. After moving to London 2 years ago he became involved in the London Software Craftsmanship Community and particularly loves the hands-on sessions. Liam is keen to adopt the benefits of functional programming styles in his use of OOP focused languages, such as C#, and share this knowledge with others.
Lorenzo DeeLorenzo is a software engineer, trainer, manager, and entrepreneur, who loves developing software systems that make people and organizations productive, profitable, and happy. He is a co-founder of the now dormant Haybol.ph, a Philippine real estate search site. He loves drinking coffee, root beer, and milk shakes.
Lou BichardLou is a Frontend software developer based in London. He writes on personal and career growth out of www.thedevcoach.co.uk and is the founder of software developer recruitment company www.hacktopia.io.
Lucas WerkmeisterLucas Werkmeister is a computer science student from Germany, who worked on a fractal explorer, a Geohashing app and an EDID editor in Java and C# before
Lucia Couce Lamas
Luis Carlos Moreira da CostaArchitect and Developer. OSGi, Eclipse Platform and various programming languages.
Lukas EderLukas is a Java and SQL enthusiast developer. He created the Data Geekery GmbH. He is the creator of jOOQ, a comprehensive SQL library for Java, and he is blogging mostly about these three topics: Java, SQL and jOOQ.
Luke TillmanLuke is a Technical Evangelist for Apache Cassandra at DataStax. He's spent most of the last 15 years writing code for web applications built on relational databases both large and small. Most recently, before living the glamorous life of an Evangelist at DataStax, he worked as a software engineer at Hobsons on systems used by hundreds of colleges and universities across the U.S. and the World.
Magnus PierreMagnus is currently a Systems Engineer for MapR. Before MapR, Magnus held senior positions at IBM Sweden and Teradata.
Mahboob HussainMahboob is a passionate programmer for whom software construction is as beautiful a task as building the Taj Mahal. FORTRAN was the first programming language he coded in and he continues to learn new languages and frameworks and play with them. His web home is http://bit.ly/mahboob
Mainak GoswamiMainak Goswami is an experienced Technology Consultant specializing in JEE, Web Development and Open source technologies. He is currently based out of United Kingdom. He is a technology enthusiast trying to explore the latest in the world of technology. His current area of interest is Mobility, NoSQL and Cloud computing. In past time he loves blogging on his website Idiotechie.
emanuel De Melo
Mani SarkarHe haa been posting articles on the Java Advent calendar for some years. He is a Java developer at heart, He has been involved with the Adopt programs (i.e. @adoptopenjdk & @adoptajsr) since its inception. Strongly prescribe to Agile (TDD, BDD), and Software Craftsmanship thinking, constantly to learning about the principles and practices that go with it.
Manish SrivastavaI have been a mobile software consultant + developer(Java, J2ME, Android) for over 2 years. I have done enterprise level development for large and small companies alike. Around 2010,I started doing Development for my customers.I always build clean, mobile friendly, semantic applicattion for every customer. For my clients, I get 100% involved, dedicated to making sure they get the best performance from the appliaction. I strive for long term results. I truly enjoy Mobile Development, and am very passionate about it. This enables me to do the best job for my clients.
Mansi AroraMansi has more than 2 years of experience in Grails and Groovy. She always looks for perfection in her work which is accompanied by her sharp, acute and intellectual knowledge. She is very benevolent person and can be characterized by quickness and ease in learning. You can check her more blogs here.
Manu PKManu develops software applications using Java and related technologies. Geek, Tech Blogger, open source and web enthusiast.
Manuel WeissHey! I'm Manuel. I'm creating the design and doing the marketing for the Codeship. I am also responsible for the product culture and tonality. My ambition is to make the ship a place you enjoy coming to. If you want to talk to me or have a little chat just let me know @manualwise
Marcin GrzejszczakSenior Java Developer with team building and managing skills. Enthusiast of JVM languages (Groovy, Scala) and clean coding
Marcin ZajaczkowskiMarcin is an experienced architect who specializes in creating high quality software. Being under the impression of the Agile methodologies and the Software Craftsmanship movement, he believes in the value of good, testable and maintainable code. He aims to forge good software that makes the client delighted and the team proud of how the code itself looks.In his teaching, as a conference speaker, college lecturer, IT coach and trainer, he shows how to guide software development effectively using tests (with TDD, pair programming, Clean Code, design patterns, etc.) and maintaining a quality-oriented development environment (with CI, Sonar, automatic deployment, etc.).He is also a FOSS projects author and contributor, a Linux enthusiast.
Marco BehlerMarco started out in programming (reverse-engineering, actually) and now mainly programmes on the JVM in his day-to-day work. He also always had a sweet tooth for strategy and marketing. Marco Behler GmbH, a software consulting agency, is the result of those hybrid interests.
Marco Di StefanoMarco is a software engineer specialized in software architecture and process automation. He has been involved in all the software v-cycle phases and actually he works for the railway industry.
Margarita MochevaMargarita Mocheva is a Junior Quality Assurance at Dreamix. She is third year student of Computer and software engineering and she is convinced that testing is the most challenging part of SDLC. For that reason she has specialized and taken the journey in the field of Quality Engineering.
Mariia HepalovaMariia Hepalova is a content writer at WebHostingGeeks.com. She has written for various online publications and blogs. With an equal passion for both technology and educating people, she strives to produce content that is informative yet easy to understand.
Mario DavidMario is a software developer focusing on enterprise software development to make users life better. While doing his masters degree in computer science he worked as a software developer for about a decade. He's always traveling between the worlds of Dev and Ops and really enjoys the merging of these two individual pieces, especially the corresponding arising tools in the ever-growing world of distributed systems.
Mario FuscoDrools Expert
Mark Anro SilvaSoftware Engineer | UI/UX Engineer, Java, JavaFX, GWT and Scala.
Mark PaluchMark is a software craftsman, did just about every job in IT, open source committer, and is passionate about dev culture. Particularly interested in hardware hacking and internet of things. Mark helps development teams to improve continuously during their software endeavor to achieve outstanding performance.
Mark ProctorDrools project lead
Marko AsplundMarko is an enterprise technology architect working with client projects across different industry verticals and technologies. His assignments have involved diverse manifestations of server-based architectures, Java technologies and middleware: from SOA to RESTful architectures, from Java to Ruby and from relational to NoSQL databases. He is passionate about continuous improvement in all areas of software development including technology, code design, development practices, methodologies and tools.
Marko RodriguezDr. Marko A. Rodriguez is a the CEO and founder of the graph engineering firm Aurelius. Aurelius are the developers of the distributed graph database Titan, where Marko primarily focuses on the development and promotion of TinkerPop.
Markus EiseleMarkus is a Developer Advocate at Red Hat and focuses on JBoss Middleware. He is working with Java EE servers from different vendors since more than 14 years and talks about his favorite topics around Java EE on conferences all over the world. He has been a principle consultant and worked with different customers on all kinds of Java EE related applications and solutions. Beside that he has always been a prolific blogger, writer and tech editor for different Java EE related books. He is an active member of the German DOAG e.V. and it's representative on the iJUG e.V. As a Java Champion and former ACE Director he is well known in the community. Follow him on Twitter @myfear.
Markus SprunckMarkus Sprunck works as senior software engineer and technical lead. In his free time he maintains the site Software Engineering Candies and experiments with different technologies and development paradigms.
Martijn KieboomIn his current role as a Solution Architect for MapR Technologies, Martijn helps organisations getting more value out of their data based on an endless number of different data driven use cases. With over 12 years of working in the IT industry, his strength is in understanding organisations business drivers and defining complex IT solutions to explore new business areas. Prior to MapR, Martijn worked as a global Solution Architect for Oracle, as well as for various IT Service Management organisations in technical and architecture roles. He has a Bsc. in Computer Networking and, as part of his education program, worked as software engineer at Rhythm & Hues Visual Effects Studios in Los Angeles on computer animations for blockbuster movies.
Martijn VerburgMartijn (aka "The Diabolical Developer") is the co-founder and CTO of jClarity. He's a London Java Community leader, founder of the "Adopt a JSR" and "Adopt OpenJDK" programmes, a speaker at major conferences and the co-author of the Well-Grounded Java Developer.
Martin FarrellMartin is a Software Developer and Consultant specializing in Java and the Spring Framework. When not coding he spends time with his wife and two children, or cycling his bike.
Martin MoisMartin is a Java EE enthusiast and works for an international operating company. He is interested in clean code and the software craftsmanship approach. He also strongly believes in automated testing and continuous integration.
Martin PatsovMartin Patsov is a Full Stack Java Developer at Dreamix, a custom software development company. He has rich experience in software development with Java & Spring, AngularJS, SQL, communication with clients, entrepreneurship and management of small teams. His personal motto is to “Think (before you act & about improvements), Design (your own world, your dreams & the world around you) and Share (knowledge, feedback & motivation)”.
Martin WinandyMartin is a Java developer for Eclipse RCP and Jave EE applications. He supports multinational vehicle manufactures and technical inspection associations in developing custom product data management solutions. Independent of his job, Martin is actively involved in open source projects and is the initiator of tinylog.
Maryna CherniavskaMaryna has productively spent 10+ years in IT industry, designing, developing, building and deploying desktop and web applications, designing database structures and otherwise proving that females have a place among software developers. And this is a good place.
Mashooq BadarMash is a software craftsman with extensive experience in developing innovative solutions and running large scale enterprise projects. For many years he was a Principal Consultant leading some of the most diverse projects for clients in Government, Media and Finance. Before Codurance Mash was a Director at UBS leading a 4 million pounds a year project with 6 development teams situated in London and Krakow. He started the project from scratch, building the teams a developer at a time.Mash is an associated organiser for LSCC, involved since the beginning helping with organisation and running hands-on sessions. Mash has a passion for developing; teams that are skillful and passionate, solutions that are innovative and simple, and software that is aligned to it's business and flexible to change.
Mathieu DumoulinMathieu is a Data Engineer on the MapR Professional Services team, and is based in the Asia-Pacific region. He started using Hadoop in 2012 at the Fujitsu Canada Innovation Lab, where he built a large-scale text classification system from scratch. Since then, Mathieu split his time between being a Search Engineer and managing a new Data Science team for a large Japanese HR company. His current interests are focused on Apache Drill, Apache Spark, and Deep Learning. Mathieu holds both a B.A.Sc. in Computer Science and a Master of Computer Science degree from the Université Laval in Canada.
Mats LindhMats is a language agnostic hacker that specializes in search and editorial applications, located on the islands of Hvaler, Norway.
Matt RaibleJava Champion and Developer Advocate @okta with a passion for skiing, mtn biking, VWs, & good beer.
Matthew ButtMatthew believes that people and their relationships should be at the heart of our work as software developers. Since he started working with code in 2000 he has always focused on creating well-crafted software, and building close collaborative relationships within and beyond the technical team. Recently Matthew has worked primarily on the .NET platform, and he is experienced in giving new life to legacy code written in C# and VB, as well as crafting projects that take advantage of the latest developments on the platform.Matthew is passionate about teaching excellence in software development, and he is equally at home running a one-hour workshop or designing and implementing a six-month apprenticeship programme. He is a regular participant in the wider Software Craftsmanship and Extreme programming communities.
Matthew SetterMatthew Setter is a developer and technical writer. He creates web-based applications and technical content that engage developers with platforms, technologies, applications, and tools.
Mauricio SalatinoSoftware Engineer, BPM, BRE, CEP
Maurizio TavernaMaurizio is a software engineer with 15+ years of experience in software development for the banking industry. He is currently the CTO of Mylaensys (www.mylaensys.com) a cloud computing consulting company and recently became a committer of the apache Isis project.
Max LamBorn and currently resides in Malaysia, a seasoned Java developer whom had held positions as Senior Developer, Consultant and Technical Architect in various enterprise software development companies.
Maxime GreauMaxime is a Technical Architect at Ministry of Finance. He is passionate by software development around Java, Java EE and Web. He also wrote a french book about Apache Maven.
Luis Fernando Seseña
Michael AnstisDrools Guvnor
Michael GoodMichael is a software engineer located in the Washington DC area that is interested in Java, cyber security, and open source technologies. Follow his personal blog to read more from Michael.
Michael HeinrichsJava, Android, JavaFX developer. Interested in agile management and public speaking. Loves his family and cooking.
Michael RemijanMichael Remijan is a System Architect at the Federal Reserve Bank St. Louis. He is co-author of 'EJB 3 In Action Second', an active blogger in the Java EE community, a Java EE Guardian, and JavaOne presenter. He has developed enterprise systems for B2C and B2B commerce, manufacturing, astronomy, agriculture, telecommunications, national defense, healthcare, and financial areas.
Michael ScharhagMichael Scharhag is a Java Developer, Blogger and technology enthusiast. Particularly interested in Java related technologies including Java EE, Spring, Groovy and Grails.
Michal JastakMichał is a Chief Technology Officer in Java Division of AIS.PL, company developing mostly Web Applications of different kind, usually e-Government related.
Michal VrtiakMichal is a freelancer currently located in Prague, Czech Republic with huge passion for Java platform. He is very enthusiastic about Dependency Injection, IntelliJ IDEA and loves to use both Spring and Java EE.
Mihai AndronacheMihai is an experienced Java and JavaEE developer. His main interests are: clean OOP, code maintainability and testing. He is the creator of http://comdor.co and http://charles.amihaiemil.com"
Mike ChristiansonMike Christianson is a Senior Software Engineer focused on customers and craftsmanship. He also leads the Phoenix Software Engineering Reading Group.
Mike MillerMike is a software developer who loves to learn how things work. A Java programmer who caught the Groovy & Grails itch and is always looking for opportunities to include them as part of the solution.
Mikhail BaturovMikhail - is a software engineer working in an invest-banking domain, he is a java developer specialized in soft realtime systems and highload applications. On a spare time Mikhail likes travelling, snowboarding, biking and blogging of course
Mitesh ShahMitesh Shah is Senior Product Manager with MapR, responsible for security and data governance strategy. Prior to MapR, Mitesh held several positions in enterprise security at organizations including the Federal Reserve and Salesforce.com. Mitesh has a degree in Computer Science from Cornell, and an MBA from The WhartonSchool of the University of Pennsylvania.
Manel Martori Vilardebó
mohamed amine ghaib
Mohammad RimazHossein currently is Software Engineering Student at K.N. Toosi University of Technology and a junior developer. He is a passionate Java programmer, especially interested in GUI programming with JavaFX. His interest includes Big Data, Data Visualization, and Recommender Systems
Mohit sinhaMohit Sinha is a Software Developer at Turtlemint, where he focuses mostly on the back-end. Prior to that he has worked on different types of projects which enhanced his skill-set in different ways. He enjoys writing about things he learns. He constantly searches for ways to create better software & applications.
Mohpreet SinghMohpreet is Java developer and trainer. He is passionate in learning new technologies, having a detailed exposure on the related technology and publishing the related content.
Moritz PlassnigTech guy who studied biz. Product manager. Previously cofounded STARTeurope. Currently proud cofounder & CEO of Codeship. <3 metrics & startups :)
Munish GuptaMunish K Gupta is a senior architect working in a leading IT services company. His experience is in building Online Portals, SaaS Platforms, CRM Solutions and Transaction Processing Systems. He is author of the book - Akka Essentials.
Na YangNa Yang is a staff software engineer at MapR and Apache Hive contributor. Prior to MapR, Na held numerous software development roles at information technology companies including Ariba, Quova, Merced Systems, most recently as a staff software engineer in the Java Infrastructure team of PayPal. Na received both MS and BS in Computer Science from Fudan University in China, and also holds a MS in Computer Engineering from San Jose State University.
Nathan SykesNathan Sykes is a business and tech writer from Pittsburgh, PA. When he’s not thinking about IoT and cloud computing you can find him watching the Pittsburgh Penguins. To read more posts by Nathan, check out his blog, Finding an Outlet, or follow him on Twitter @nathansykestech.
Nawazish Mohammad Khan
Neeraja RentachintalaAs Director of Product Management, Neeraja is responsible for the product strategy, roadmap and requirements of MapR SQL initiatives. Prior to MapR, Neeraja held numerous product management and engineering roles at Informatica, Microsoft SQL Server, Oracle and Expedia.com , most recently as the principal product manager for Informatica Data Services/Data Virtualization. Neeraja received a BS in Electronics and Communications from the National Institute of Technology in India, and is product management certified from the University of Washington.
Neha GuptaNeha has more than 3 years of experience working technologies like J2EE, Core Java ,Groovy and Grails. She is highly ambitious person, who believes in striving hard to achieve something great in life which alligns well with her philosphy of “hard work conquers all". She has an impetuous for her future goals and has an optimistic outlook towards life. You can check her more blogs here.
Nepomuk SeilerNepomuk Seiler is a information sience student at the Ludwigs-Maximilians-University Munich. He uses Scala for machine learning tasks and web development with play. Also he provided some small contributions to the Eclipse community.
Nicolai ParlogNicolai is a thirty year old boy, as the narrator would put it, who has found his passion in software development. He constantly reads, thinks, and writes about it, and codes for a living as well as for fun.Nicolai is the editor of SitePoint's Java channel, writes a book about Project Jigsaw, blogs about software development on codefx.org, and is a long-tail contributor to several open source projects. You can hire him for all kinds of things.
Nicolas A PerezNicolas is a software engineer at IPC, an independent SUBWAY® franchisee-owned and operated purchasing cooperative, where I work on their Big Data Platform. Very interested in Apache Spark, Hadoop, distributed systems, algorithms, and functional programming, especially in the Scala programming language.
Nikita Salnikov Tarnovski
Nikola KolevNikola Kolev is a Tech Lead at Dreamix, a software development company. A complete full stack developer with 10+ years of experience, he has extensive knowledge in various back-end, front-end technologies and things in between. His strongest technology stack is related to Java and Angular which includes but does not limit to: Spring, JEE, Hibernate, Angular/HTML/CSS/TypeScript. He is a great team player with positive attitude which makes him very easy to work with.
Nikos MaravitsasNikos has graduated from the Department of Informatics and Telecommunications of The National and Kapodistrian University of Athens. During his studies he discovered his interests about software development and he has successfully completed numerous assignments in a variety of fields. Currently, his main interests are system’s security, parallel systems, artificial intelligence, operating systems, system programming, telecommunications, web applications, human – machine interaction and mobile development.
Nikos SourisSolutions development consultant with experience in large scale IT projects, especially in the telecommunications and financial services sectors. Nikos has worked in Microsoft for more than 6 years as an experienced services professional with broad technology knowledge of Microsoft application platform and business productivity services and products. He is a certified specialist in SharePoint Server Technologies.
Nitin KumarNitin Kumar works as a Software Architect , predominately focus on Agile, TDD, Service Oriented Architecture, Grails and JEE. Besides working in software development, He writes technical articles and watches and studies new technologies
Niv SteingartenNiv is a co-founder at Takipi where he's building tools that help developers debug Java and Scala in production. A lover of beautiful, simple code. Dvorak typist.
njnareshjoshiNaresh is a senior software engineer working in banking domain while having experience in health and insurance as well. He writes is programming blog ProgrammingMitra to share his knowledge with others
Omed HabibOmed Habib is the Principal Product Manager for the PHP, Node.js and Python APM agents at AppDynamics. A programmer at heart, Omed fell in love with large scale web-application architecture while directing technology throughout his career. He spends his time exploring new ways to help some of the largest web application deployments in the world meet their performance needs.
Ondrej MihalyiOndrej is a lecturer and consultant inventing and evangelizing new approaches with already proven Java tooling. As a Scrum Master and expert in Java EE ecosystem, he helps companies to build and educate their developer teams, improve their development processes and be flexible and successful in meeting client requirements.
O'Reilly MediaO’Reilly Media is an internationally recognized, multi-faceted company that has played a seminal role in the evolution and adoption of the Internet revolution, from the World Wide Web to open source software, big data, and the Maker movement.
Orest IvasivPassionate software engineer interested in different programming languages, pragmatic approaches and performance boost practices.
Osama FelfelSoftware engineer with 6+ years of experience in various domains such as Telecommunication, ERP, Customer support and R&D. I have on hand experience in architecting, designing and developing applications varying from standalone to enterprise. I’m interested in all phases of the software life cycle and I’m in love with creative solutions.
Othman El Moulat
Ozkan SariComputer Engineer graduate from Yeditepe University of Istanbul. Professional in IT Sector since 2007. Works as a Software Specialist for Provus Istanbul, during the daytime :) Likes blogging, taking photographs , watching theater, travelling and exploring new places.
PacktFounded in 2004 in Birmingham, UK, Packt's mission is to help the world put software to work in new ways, through the delivery of effective learning and information services to IT professionals. Working towards that vision, we have published over 5000 books and videos so far, providing IT professionals with the actionable knowledge they need to get the job done - whether that's specific learning on an emerging technology or optimizing key skills in more established tools.
Panagiotis PaterakisPanagiotis is an open source enthusiast. In the morning he works as a freelancer implementing a wide variety of applications/services for the telecom industry (teleconference, NGIN, SOA). As a night job he craves to contribute to several open source projects. His latest activity is a forthcoming open source software that will bring the non trivial applications closer to the cloud
Param GyaanParam is a full stack developer/technical architect and has programmed a number of front-end, server-side and mobile applications. He is passionate about exploring new technologies and sharing his knowledge with the community.
Paresh MayaniParesh Mayani is a Mobile application developer from India, having been involved in Android app development since around 3 years. He writes technical articles at TechnoTalkative. Apart from his job, he manages Google Developer Group (GDG) - Ahmedabad and has been speaker in various events. He is very much active in supporting the Android developer community, from answering questions on StackOverflow to publishing articles with possible sample code. Currently he is holder of around 25000 reputation.
Paris ApostolopoulosParis is a senior software engineer focusing on J2EE development, loves Business process modelling and is keen on software quality challenges. He is passionate about Java and Java communities. He is a co-founder and administrator of the first Java User Group in greece(JHUG.gr) and occasional speaker on meet-ups and seminars and regular blogger. For his contributions and involvement on the Java community he has been awarded the title of Java Champion in 2007 by Sun Microsystems.
Parth ChandraParth Chandra. Member of the Apache Drill team at MapR. Has 20 years of software development experience in application software, data integration, web advertising, and distributed systems. Was most recently Chief Architect at Jivox, a web advertising startup. Before that he was as Senior Architect at Informatica.
Pascal AlmaPascal is a senior JEE Developer and Architect at 4Synergy in The Netherlands. Pascal has been designing and building J2EE applications since 2001. He is particularly interested in Open Source toolstack (Mule, Spring Framework, JBoss) and technologies like Web Services, SOA and Cloud technologies. Specialties: JEE, SOA, Mule ESB, Maven, Cloud Technology, Amazon AWS.
Patrick KuaPatrick Kua is an author, speaker and consultant who still finds time to code. He works as an active, generalizing specialist at ThoughtWorks and dislikes being put into a box. He is often found leading technical teams, coaching people and organisations in lean and agile methods, sometimes facilitating situations beyond adversity. Patrick is fascinated by elements of learning and continuous improvement, always helping others to develop an enthusiasm for the same.
Patrick McFadinChief Evangelist for Apache Cassandra, DataStax
Patroklos PapapetrouPatroklos is an experienced JavaEE Software Engineer and an Agile enthusiast seeking excellence in software quality. He is also co-Author of the Sonar in Action book, and contributor of several Sonar plugins.
Paul Emmanuel Faidherbe
Pedro Duque VieiraFreelancer/Consultant who holds a master degree in Computer Science. Specialized in creating User Interfaces. Has been working in front end development since 2006, since that time he's also been studying and taking courses in User Interface Design and User Experience. Owner of the software company Pixel Duke.
PerfectoPerfecto is a cloud-based platform for web, mobile & IoT software testing. Perfecto mobilizes your brand by helping perfect the digital experiences that define it. Their complete, cloud-based lab helps enterprise teams deliver Continuous Quality for native apps and web using real devices in real end-user environments. Visit Perfecto at https://www.perfectomobile.com/.
Peter ButkovicPeter is a java developer living in the Munich area. Prototyping is for him the most favourite part of the project work (especially in the phase when nobody really knows if things are really gonna work :) He is also quite influenced by the ideas of open source software. And important things except that? Family, friends and Jesus Christ (the best Friend :)
Peter DaumPeter is senior Java developer in the telecommunication industry. He works in the area of business and operations support systems and is always happy to share his knowledge and experience. He is interested in everything related to Java and software craftsmanship.
Peter SommerhoffPeter is a software developer from Germany with a passion for software design. He teaches programming, web development and other techy stuff on Udemy and blogs over at PeterSommerhoff.com
Petr ArsentevPetr Arsentev has over 8 years of experience in java development. He participated in the development a few startup projects, which run successfully. He finished Moscow Power Engineering Institute (National Research University) at 2009. After he started to work in a local company as java developer and still keeps improving the knowledge about software developments. He focused on JVM languages like Java, Scala and related technologies and frameworks. He has developed the few courses about Java in Russian. He teaches students Java language too. This is his personal website http://parsentev.ru/
Petr JuzaOver 12 years of proven experience in Java and integration development. He's part of group of experienced profesionals in OpenWise Solution company focusing on making products and software for customers. He's Java and integration enthusiast. He's co-organizer of many developer meetups at Czech republic. He has been writing popular Java blog for several years.
Petri KainulainenPetri is passionate about software development and continuous improvement. He is specialized in software development with the Spring Framework and is the author of Spring Data book.
Phillipe De CuzeyPhilippe has a background as an Oracle DBA working on JEE projects, he has welcomed and quickly embraced the new era of NoSQL and scalable distributed computing. Since 2014 he has been working mainly on Hadoop, specifically, working with Pig, Spark and Spark ML. He is based in Paris, France.
Phillip KrugerPhillip is a software developer and a systems architect who knacks for solving problems. He has a passion for clean code and evolutionary architecture. He blogs about all technical things.
Phillip ShipleyPhillip Shipley is the IT Applications Development manager at SIL International, Inc. He spends the majority of his work time developing web applications and has a particular passion for APIs and integration. When he’s not building software, he’s probably building LEGO with his son.
Pierce ZaifmanPierce is a freelance Android app developer and has been developing Android apps for over 4 years. He enjoys learning new technologies and passing that knowledge on to others.
Pierre Hugues CharbonneauPierre-Hugues Charbonneau (nickname P-H) is working for CGI Inc. Canada for the last 10 years as a senior IT consultant. His primary area of expertise is Java EE, middleware & JVM technologies. He is a specialist in production system troubleshooting, root cause analysis, middleware, JVM tuning, scalability and capacity improvement; including internal processes improvement for IT support teams. P-H is the principal author at Java EE Support Patterns.
Pierre-Yves SaumontPierre-Yves Saumont is an R&D software engineer at Alcatel-Lucent Submarine Networks. He wrote Le guide du développeur Java (1999), the first French book published on Java programming.
Piotr NowickiPiotr is a Java fascinate since his computer science studies (2007). He's currently working as a senior Java EE developer in utilities and industry sector. He's mostly interested in designing and development of web applications using Java EE technology stack.
Piotr RogJLupin Software Studio Founder - company which delivers JLupin Next Server Platform. Has over 15 years experience of creating high performance applications. JLupin Next Server is a platform with fully integrated mechanisms of JAVA application separation that simplifies the architecture and reduces its maintenance costs. The JLupin Next Server platform is best described by the following terms: extreme performance, zero downtime deployment, built-in JVM multicontainer, simplified & scalable architectured, designed for the highest availability of microservices and SOA services.
Piyas DePiyas is Sun Microsystems certified Enterprise Architect with 10+ years of professional IT experience in various areas such as Architecture Definition, Define Enterprise Application, Client-server/e-business solutions.Currently he is engaged in providing solutions for digital asset management in media companies.He is also founder and main author of "Technical Blogs(Blog about small technical Know hows)" Hyperlink - http://www.phloxblog.in
Prahlad YeriPrahlad is a freelance software developer working on web and mobile application development. He also likes to blog about programming and contribute to opensource.
Prasad SayaPrasad Saya is a software engineer with over ten years’ experience in application development, maintenance, testing and consulting on various platforms. He is also a certified Java and Java EE developer. At present his interest is in developing Java applications.
Prasanth GullapalliPrasanth is a Principal Engineer with more than 7 yrs experience in JEE architecture. He has always been fascinated by the new technologies and emerging trends in software development.
Priyanka SharmaPriyanka is a front-end developer. She runs WakaTime which is automated analytics for developers. She writes on diverse topics in technology and entrepreneurship.
PushpalankaPushpalanka is an undergraduate in Computer Science and Engineering and working on variety of middle-ware solutions. She is an open-source enthusiastic having interests in the fields of Big Data, Distributed Systems and Web Security.She has successfully participated in Google Summer of Code 2012 program.
Qadeer KhanQadeer is a software engineer living in Oslo, Norway and has experience from large scale IT projects. Some of his interests are in creating quality code, performance tuning and machine learning. He is driven by opportunities of doing great work with great people.
Rafael WinterhalterRafael is a software engineer based in Oslo. He is a Java enthusiast with particular interests in byte code engineering, functional programming, multi-threaded applications and the Scala language.
Rafal BorowiecSoftware developer, Team Leader, Agile practitioner, occasional blogger, lecturer. Open Source enthusiast, quality oriented and open-minded.
Rajaraman RaghuramanRajaraman Raghuraman is a highly passionate software craftsman with 8+ years of experience in the IT industry. He is also the owner of AgileDevTest Blog (http://agiledevtest.blogspot.com) and author of an Ebook "Programmer's Motivation for Beginners" which is available at http://programmersmotivation.com.
Rajat JainRajat Jain is a software engineer and member of the Tech Team at Qubole, a pioneering Big Data start-up. Prior to working with Qubole, Rajat held tech positions at LinkedIn and Google. Rajat has a degree in Computer Science.
Rajeev HathiRajeev is a senior Java architect and developer. He has been designing and developing business applications for various companies (both product and services). He is co-author of the book titled 'Apache CXF Web Service Development' and shares his technical knowledge through his blog platform techorgan.com
Rajith DelanthaRajith is an software engineer, open source contributor and love to develop application based on open source projects.
Ralf QuebbemannRalf graduated in computer science at the University of Oldenburg, Germany. He is developing software for over 20 years now and likes to program in Java. He wrote and contributed different Apache Maven plugins and implemented initially Maven support for IntelliJ IDEA. On the other hand ... He really enjoys playing guitar and performing live gigs with his fellow band mates. Bluesrock has touched him since the early 90s of the last century and he started to learn and play guitar along to the music of his idols Stevie Ray Vaughan, Jimi Hendrix, Gary Moore or Peter Green.
Ram MokkapatyRam holds a master's degree in Machine Design from IT B.H.U. His expertise lies in test driven development and re-factoring. He is passionate about open source technologies and actively blogs on various java and open-source technologies like spring. He works as a principal Engineer in the logistics domain.
RamkiRamki is a Application Developer working in the C-DAC, Pune. He has Extensive Design and Development experience in Java, Java Server Faces, Servlets, Java Persistent API (Hibernate), CDI, EJB and experience in applying Design Patterns of JavaEE Architecture.
Raman JhajjRamaninder has graduated from the Department of Computer Science and Mathematics of Georg-August University, Germany and currently works with a Big Data Research Center in Austria. He holds M.Sc in Applied Computer Science with specialization in Applied Systems Engineering and minor in Business Informatics. He is also a Microsoft Certified Processional with more than 5 years of experience in Java, C#, Web development and related technologies. Currently, his main interests are in Big Data Ecosystem including batch and stream processing systems, Machine Learning and Web Applications.
Ramesh KothaRamesh is a certified Java professional working in financial domain, He is an application developer and has hands on practice with Java and related technologies. He is passionate about Spring and other open source technologies.
Ranjit LingaiahRanjit has over 20 years of experience working with Java, Node.js and JavaEE in many roles of the software development, including design and development. Prior to MapR, Ranjit worked at PayPal developing Hosted Sole Solution, Checkout application and Onboarding platform. Prior to PayPal, Ranjit worked as a Software developer at Sun Microsystems for over 15 years, where he developed Sun remote services and Common Desktop Environment for Solaris. Ranjit holds a MS in Computer Science from University of North Carolina at Charlotte.
Rebecca MillsRebecca Mills is a Junior Evangelist at DataStax, the company that delivers Apache Cassandra™ to the enterprise. She is interested in the new Cassandra user experience and is involved making it more approachable for everyone. She holds a B.Sc in biochemistry from Memorial University of Newfoundland and has been known to go on a bit about genome analysis.
Remko PopmaRemko is Algo Team Leader at SMBC Nikko Securities, developing automated trading systems for Japanese equities. In open source, he works on Log4j2 performance improvements and the picocli library.
Reza RahmanReza Rahman is a senior architect at CapTech Consulting focusing on enterprise Java. He is a Java EE enthusiast, author, community activist, frequent speaker and blogger
Riccardo RighiRiccardo is an innovation driven engineer and project manager. Passionate software developer, he's the founder of the Holon Platform open source project (holon-platform.com)
Richard RijnberkRichard is an experienced Java software engineer and Frontend Developer. Over the last period he has mainly focused on Frontend development with frameworks such as Angular. He has an interest in gadgets and is always eager to learn new technologies. He currently works for JDriven and is one of the bloggers on their site.
Richard SchneemanRichard Schneeman is responsible for the Ruby experience on Heroku and helps run Keep Ruby Weird in Austin, Texas. You can find his writing at schneems.com.
Richard WarburtonRichard is a Principle Software Engineer at jClarity, interested in deep dive performance issues and compiler verification, Adopt-aJSR, Adopt OpenJDK and the LJC. He holds a PhD from the University of Warwick and lives in London.
Richard WildRichard has been programming for his living since 1998, but he has loved the craft ever since teaching himself assembly language as a teenager on the family computer.He apprenticed for many years grinding data on Oracle databases, picking up C, Java, C# and other languages along the way. At present he primarily programs in Java, but he is very interested in functional programming with Clojure.Richard was switched on to Software Craftsmanship by some excellent agile coaches who taught XP, and through the association of some inspiring Software Craftspeople he has been fortunate to work with. In addition to honing his craft, he loves mentoring and teaching others how to practice TDD and how to write clean pragmatic code.
Rob GuilfoyleRob Guilfoyle is the co-founder & COO of Abe.ai.
Robert KowalskiRobert Kowalski is a passionate software engineer, author, and event organizer. He enjoys traveling and recently released a book about command line interfaces, The CLI Book: Successful Command Line Clients with Node.js.
Roberto CortezMy name is Roberto Cortez and I was born in Venezuela, but I have spent most of my life in Coimbra – Portugal, where I currently live. I am a professional Java Developer working in the software development industry, with more than 8 years of experience in business areas like Finance, Insurance and Government. I work with many Java based technologies like JavaEE, Spring, Hibernate, GWT, JBoss AS and Maven just to name a few, always relying on my favorite IDE: IntelliJ IDEA.Most recently, I became a Freelancer / Independent Contractor. My new position is making me travel around the world (an old dream) to customers, but also to attend Java conferences. The direct contact with the Java community made me want to become an active member in the community itself. For that reason, I have created the Coimbra Java User Group, started to contribute to Open Source on Github and launched my own blog (www.radcortez.com), so I can share some of the knowledge that I gained over the years.
Robin MoffattRobin Moffatt is Head of R&D (Europe) at Rittman Mead, and an Oracle ACE. His particular interests are analytics, systems architecture, administration, and performance optimization.
Rodrigo SasakiRodrigo is a certified Java Programmer. He has worked in a variety of different domains, but always focused on the Java Platform. Developing applications as his work, and also as a hobby. He's an amateur guitarist, an eternal student and also blogs a thing or two in his free time.
Rodrigo UchoaRodrigo is an enthusiast of technology, science and the java platform. Also a software engineer in his spare time.
Roger DeranRoger Deran started his programming career with the first PCs, writing 8080 assembly language for a custom OS at PolyMorphic Systems. He has written real-time software, GUI applications, I/O drivers, embedded systems and more. He likes concurrency, B-Trees, and high-performance software such as his own InfinityDB and AirConcurrentMap at boilerbay.com. He has two patents.
Roger MartinezWorks at Red Hat Software. Lives in Barcelona
Roman PichlerRoman is an agile product management expert. He helps companies create new products by providing consulting and training services, and he is the founder of Pichler Consulting.
Romi AwasthyRomi is a software architect with a large enterprise. She is passionate about bringing opensource, lean and modern technologies to enterprise
Ron ModdesetteRon Moddesette is a Keyhole Software Consultant with 18+ years of experience in IT. He specializes in Java and Web technologies and is currently working with Java Spring Batch.
Ron PresslerRon Pressler is the founder of Parallel Universe, a company building a JVM-based server-side stack for easily writing high-performance, low latency applications that work in harmony with modern hardware architecture.
Ronald DjunaediRonald is a senior Java Developer, specialization in J2EE Programming and its technologies and frameworks. Been a trainer for a while, specialization in training subjects: Java Fundamentals, OOP and J2EE. Has been involved actively in numerous IT Software Development Projects with multiple companies and clients.
Ronald Van LoonHe has been recognized for his work in the field of digital transformation by such publications and organizations as Onalytica, Dataconomy, and Klout. In addition to these recognitions, He is also an author for a number of leading big data websites, including The Guardian, The Datafloq, and Data Science Central, and he regularly speaks at renowned events and conferences.
Ronny BraunlichAfter working two years as a software engineer Ronny went back to university to get his master's degree. His interests cover modularity (OSGi), process automation with BPMN, distributed systems and everything that sounds like he could learn something new.
Ross FairbanksRoss Fairbanks is co-founder and chief architect of Microscaling Systems.
Ruslan SynytskyRuslan Synytsky, CEO and co-founder of Jelastic PaaS, designed a core technology of multi lingual cloud platform that runs microservice and legacy apps in data centers worldwide.
Rusty DivineRusty Divine is technical lead who cultivates a fun and friendly environment for his agile team where it is safe to make mistakes and continually learn. Rusty specializes in .Net web applications for businesses and enjoys working with customers and stakeholders, coaching developers, and helping manage projects. Rusty has a scientist’s training and curiosity with a degree in Geology that took him to Antarctica to study climate change for a season. Rusty lives with his wife and son in Nebraska.
Ryan McCulloughRyan McCullough is a software developer with 10+ years in IT. His primary area of expertise is in the development of Java applications with past clients including marketing, government administration agencies, military, laboratory services, and corporate wellness.
Ryan VictoryRyan Victory is a Senior Information Security Engineer at Comerica Bank specializing in "Hunting" - using big data technology to find threats that traditional security controls fail to detect (the "unknown unknowns"). Ryan applies deep knowledge of Information Security principles along with networking expertise and programming skills to create models and tools that analyze large amounts of security log data to identify threats. Ryan loves exploring new technologies, especially in the data field, and currently uses Spark and Hive on MapR to analyze security data, exploiting Spark's parallel processing power and its machine learning to help identify security threats.
Saba AneesSaba is the Content Marketing Specialist at AppDynamics. She grew up in the SF Bay Area, graduated from UC Berkeley, and joined AppDynamics' Marketing team in 2015. You can follow her on Twitter at @sabaanees.
Sachin JoshiI have 10+ Years of web application programming experience in primarily Java. I have used many open source libraries and frameworks. I am a programmer at heart and love to learn new languages and programming techniques. I believe in continuous learning and sharing of knowledge through my blog www.fromdev.com.
Sameer NoriSameer Nori is currently a Sr. Product Marketing Manager at MapR Technologies with responsibility for solutions and industry marketing. He has 10+ years of experience in the technology industry in marketing, pre-sales and consulting with domain experience in the business intelligence, analytics and big data markets. Some of the companies he has worked at include SAP Business Objects, MicroStrategy and Jaspersoft.
Samuel SantosJava and Open Source evangelist, JUG leader and Web advocate for web standards and semantic technologies.
Sandeep Kumar Patel