Authors

A N M Bazlur Rahman

Bazlur has more than ten years of experience coding in Java, including numerous academic, professional, and personal projects. He is…

Alexander Dejanovski

Software Engineer at Datastax

Alexander Reelsen

Alexander Reelsen is a Developer & Advocate, Dad, works since 2013 distributed at Elastic, is interested in search, scale, JVM,…

Almas Baimagambetov

Senior Lecturer, Computing Department Lead at the University of Brighton. Author of #FXGL game engine. #Java #JavaFX #Kotlin open sourcerer.…

Andres Almiray

Andres is a Java/Groovy developer and a Java Champion with more than 2 decades of experience in software design and…

Anita Kumari

PHP & Wordpress Developer

Anton Epple

Anton is a consultant worldwide for a wide variety of companies, ranging from startups to Fortune 500 companies, in many…

Ari Waller

Foojay Event Manager and Meetup Event Manager at JFrog

Artem Chebotko

Solutions Architect at DataStax

Ashish Choudhary

I am a software engineer and technical writer who loves Java, Spring Boot, DevOps, and the Cloud.

Baruch Sadogursky

DevOps Advocacy at JFrog

Benjamin Muskalla

Benny (@bmuskalla) has been following his passion of building tools for improving developer productivity. He has been an active committer…

Betsy Rhodes

Sr. Software Engineer at Azul

Bjorn van der Laan

Software engineer at ING Bank and enthusiastic about Kotlin!

Brian Vermeer

Java Champions & Developer Advocate and Software Engineer for Snyk. Passionate about Java, (Pure) Functional Programming, and Cybersecurity. Co-leading the…

Brice Dutheil

Brice Dutheil is a software engineer, aficionado of open source software. Previously a Mockito core contributor, now a Dad of…

Bruno Lowagie

Bruno Lowagie is the original developer of iText, an open source PDF library. Currently, he's helping tech startups, making them…

Carl Dea

Carl Dea is a Senior Developer Advocate at Azul

Cay Horstmann

Professor at PFH Private Hochschule Göttingen

Cedrick Lunven

Director of Developer Relations at DataStax

Chandra Guntur

Technical Fellow | Distinguished Engineer @ BNY Mellon | Java Champion | Garden State JUG Leader

Chris Bartholomew

Chris Latimer

Christian Stein

Christian is an open source software developer who is programming with Java since 1998. He has a passion for automated…

Christopher Bradford

Distributing data, code, and processing all day every day.

Clement Escoffier

Doing reactive stuff @ Red hat. Java Champion. Working on #quarkus #vertx and #smallrye.

Deepu K Sasidharan

Computer magician. JHipster co-lead, Developer advocate at Adyen. Polyglot developer. Loves simple & beautiful code. Speaker, Author, http://bit.ly/JHIPSTER-BOOKS

Don Raab

Java Champion. Creator of the Eclipse Collections OSS Java library. Inspired by Smalltalk. Opinions are my own.

Enrico Olivelli

Apache Pulsar PMC member

Erik Costlow

Erik Costlow was Oracle’s principal product manager for Java 8 and 9, focused on security and performance. His security expertise…

Frank Delporte

Frank Delporte (@frankdelporte) is a Java developer, blogger, author of "Getting started with Java on Raspberry Pi", and contributor to…

Frank Rosner

Gail Anderson

Gail is a Java Champion and Oracle Groundbreaker Ambassador. She is Director of Research and founding member of the Anderson…

Geertjan Wielenga

Geertjan is Senior Director of Open Source Projects at Azul and Apache NetBeans PMC Chair.

Gerrit Grunwald

JUG Leader, Java Champion, Speaker, Author, ❤️ Java(FX) and coding in general

Gianluca Righetto

Graham Cox

Software developer, primarily Java and JVM languages but I'm not too fussy.

Gunnar Morling

Gunnar Morling is a software engineer and open-source enthusiast at heart. He leads the Debezium project, a platform for change…

Hamza Belmellouki

Hamza (@HamzaLovesJava) is a self-taught developer and Java enthusiast. In his free time, he likes to blog about various technical…

Helen Scott

Helen is a Java Developer Advocate at JetBrains. She has over 20 years’ experience in the software industry which has…

Holger Isenberg

Holger Isenberg has done system operation and consulting around Java-based enterprise applications since 1999 in Germany and moved in 2016…

Igor De Souza

I am Principal Developer Advocate – Big Data Evangelist, Software Engineer with over thirteen year’s experience in Java development.

Ivar Grimstad

Ivar Grimstad is the Jakarta EE Developer Advocate at Eclipse Foundation. He is a Java Champion and JUG Leader based…

Jadon Ortlepp

Digital Marketing Coordinator working for Payara who has been involved in the Java space since 2017. Very much enjoys collaborating…

Jaroslav Bachorik

Software engineer at DataDog with eminent interest in Java and its performance, management and observability tooling. Long time OpenJDK contributor…

Jean-Philippe Bempel

Jean-Philippe Bempel is a Senior Software Engineer at Datadog.

Jeff Banks

Jeff Carpenter

Developer Relations @ DataStax

Jeff Davies

Data Architect at DataStax

Jeff Dinoto

Jennifer Reif

Jim Dickinson

Johan Vos

Co Founder at Gluon

Johannes Weigend

Johannes Weigend is a computer scientist, software architect and technical director of QAware Germany. He works as a lecturer at…

Jonathan Ellis

Jonathan is the co-founder and CTO of DataStax. Before DataStax, he spent six years as project chair of Apache Cassandra,…

Jonathan Gennick

Helping authors build influence and drive change

Josh Juneau

Josh Juneau is an application developer, database administrator, technical writer, and Java evangelist.

Julien Lengrand-Lambert

Developer Advocate at Adyen

Julien Viet

Vert.x Project lead, working @ Red hat.

Karl Heinz Marbaise

German Freelancer Java, Spring Boot, JUnit Jupiter, Apache Maven PMC Member @ASFMavenProject, Apache Software Foundation Member @TheASF, Mojo Haus Member,…

Karsten Silz

Karsten Silz has worked as a full-stack Java developer for 23 years in Europe and the US. Since 2017, he…

Kat Cosgrove

Kat Cosgrove is a chronic early-adopter of new technologies and a real-life cyborg. Her professional engineering background is in web…

Ken Fogel

Java Champion, JCP Executive Committee, VP of Jakarta EE Ambassadors, conference speaker, and retired (but looking for new opportunities, DM…

Kevin Farnham

Technology writer and software engineer focused on high-performance low-latency big-data Java, Python, C/C++ programming.

Krasimir Topchiyski

CEO of Metatrans Apps

Maarten Mulders

Architect and trainer at Info Support

Mala Gupta

Developer Advocate @JetBrains. JavaChampion. Book Author. International Keynote Speaker. Director @WomenWhoCode, Leader @DelhiJUG.

Marcus Hellberg

Head of Community at Vaadin

Marcus Hirt

Marcus is the project lead for the Open JDK JMC project. Once upon a time he co-founded Appeal, the company…

Mark Stephens

Entrepreneur and Java software developer, founder and CEO of IDRsolutions

Marko Topolnik

Marko Topolnik, PhD, has been a Java professional since 2001. His current position is in the core team of Hazelcast…

Mary Grygleski

Mary is a passionate developer advocate currently at HiveMQ, an enterprise-class, cloud-native ready solution provider of MQTT IoT Messaging products.…

Matt Fleming

Matt Overstreet

Matt Raible

Web Developer, Java Champion, and Developer Advocate at Okta

Michael Roeschter

Michael is a pre-sales architect at Azul. He has written software in Turbo Pascal, Fortran, Cobol, Visual Basic, C++ and…

Michal Trojanowski

Michał Trojanowski is a Product Marketing Engineer at Curity. He is a developer with more than 10 years of experience…

Mick Semb Wever

Mohamed Taman

Mohamed Taman (@_tamanm) is CEO/Owner at SiriusX Innovations, Chief Architect, Java Champion, Oracle Groundbreaker Ambassador, Jakarta EE Ambassador, JCP, Technology…

Nguyen Pham

Nguyen Pham is currently pursuing his Double Degree European M.Sc. in Information Systems Management at NOVA IMS in Lisbon and…

Nick Zhu

Senior Program Manager at Developer Division in Microsoft. Our team is currently based in Shanghai, China. I have worked on…

Nicolas Frankel

Nicolas is a developer advocate with 15+ years experience consulting for many different customers, in a wide range of contexts…

Noga Badhav

Noga Badhav is a software developer with 6 years of experience. She has a deep understanding of complex Java systems…

Noopur Gupta

Noopur Gupta is an open source enthusiast working as an advisory software engineer at IBM India Software Labs. She co-leads…

Oscar Bastidas

Chemical Engineering, Ph.D. | Computational Drug Design | Experimental Testing

Patrick McFadin

Apache Cassandra and Developer Relations at DataStax

Pedro Duque Vieira

Pedro (@P_Duke) is a freelance consultant. His passion and work has been all about graphics, including UI Design and UX.…

Peter Firmstone

I'm a family man who lives in Australia, we own and operate a small engineering company.

Pieter Humphrey

Developer Product Manager at DataStax

Rafael del Nero

Java Champion, a passionate and creative developer who possesses strong technical knowledge and delivers solid systems focused on Spring and…

Ray Tsang

Ray Tsang is a Developer Advocate for the Google Cloud Platform (GCP) and a Java Champion. Ray works with engineering…

Reza Rahman

Reza Rahman is Principal Program Manager for Java on Azure at Microsoft. He works to make sure Java developers are…

Rich Edwards

Roman Chernobelskiy

Senior Software Engineer at Datastax

Roy van Rijn

Director at OpenValue Rotterdam

Rudy De Busscher

Technical Sales and Developer Advocate at Payara Services Ltd.

Shai Almog

Developer Advocate at Lightrun. Co-Founder of Codename One. Java Rockstar, Speaker, Author, Blogger, open source hacker and pizza enthusiast

Simon Ritter

Deputy CTO at Azul Systems

Sirisha Pratha

Java Developer since 2011, Pittsburgh JUG leader, Committer at Eclipse Collections Java Library.

Sumith Puri

Sumith is a Chief Java Scientist at Java Hero*, Bangalore, Karnataka, India. He is a Hard-Core Java / Java EE…

Sven Ruppert

DevSecOps, Java & Kotlin, coding since 1996, Speaker and Bushcrafter out of passion.

Syed Mainul Hasan

Sofware Engineer, passionate for learning, Cloud enthusiast

Tarek Oraby

Developer Experience Manager at Vaadin

Tetiana Fydorenchyk

Vice President of Marketing at Jelastic, a multi-cloud PaaS provider serving developers and hosting companies around the world. Responsible for…

Tom Cools

Software Developer at Info Support

Victor Rentea

Victor is a Java Champion, Speaker, and Independent Trainer with impressive experience: thousands of developers in over 40 companies followed…

Vipin Sharma

I help professional Java developers to learn language features so they can work on the best Java projects, software developer,…

Wim Deblauwe

Wim Deblauwe is a freelance Java Developer, blogger, open-source enthusiast and author of “Taming Thymeleaf”, a book on working with…

Yaojin Yang

Program manager at Developer Division of Microsoft, based in Shanghai. I have worked on a variety of products at Microsoft,…

Zoran Sevarac

Artificial intelligence software developer, entrepreneur, Java Champion, and researcher. Creator of the most popular and award winning educational Java open…