Johannes Rabauer @rabauer.dev ☕ Java coder @xdev.software | 🤖 AI wrangler | 🎤 Conference speaker | 🎮 Full-time dad, part-time gamer
Catherine Edelveis @edelveis.dev Liberica JDK Advocate | Spring Boot Enthusiast | JavaFX Fancier | Tech Writer and YouTuber | Dog Mom | Views are my own
Home: edelveis.dev
CyberJAR channel: https://www.youtube.com/@cbrjar
BellSoft @bellsoft.bsky.social Delivering #LibericaJDK: supported, #Java standard compatible binaries. Among Top-5 #OpenJDK contributors.
Daniel Hinojosa @dhinojosa.bsky.social Developer of sorts: Typically Java, Scala, and Haskell once in a while.
José Paumard @josepaumard.bsky.social #Java #DevRel @Oracle, bartender #JEPCafe and https://dev.java, Java Champion Alumnus, JavaOne Rockstar. I post about #Java, sometimes cooking, Opinions are my own. Posts are in EN and FR.
Stefano Cordio @scordio.github.io Software Engineer @ EPAM Systems
Maintainer of @assertj.github.io
Marcus Hellberg @marcushellberg.dev Applied AI Researcher, Speaker, DevRel expert.
Java Champion.
VP of AI Research @vaadin.com
Simon Martinelli @martinelli.ch Java Champion, Vaadin Champion, Oracle ACE Pro, Published Author, International Speaker, Programming Architect, and Lecturer for AI-driven Software Engineering, Software Architecture, Java, Persistence, and DevOps.
https://martinelli.ch
Gunnar Hillert @hillert.bsky.social Spring Developer, Java Champion, 2019 Kona IRONMAN Finisher, formerly @oracle @pivotal @vmware @spring.io @atlantajug @devnexus. Plant collector. Board member at Hawaii Island Palm Society.
DaShaun Carter @dashaun.com DaShaun is a struggling triathlete, Raspberry Pi enthusiast, Testcontainer Champion, former professional cheerleader, keynote speaker, and Spring Developer Advocate at Broadcom. Deliberately practicing to build, run, and manage, better software, faster.
Siva @sivalabs.in 💻 Software Developer || ☕ Java Developer Advocate @ JetBrains || https://sivalabs.in || https://youtube.com/sivalabs
Interested in Java, Kotlin, Docker, and Software Architecture.
Eric Deandrea @ericdeandrea.dev @java-champions.bsky.social | Sr. Principal Software Engineer (@quarkus.io) @IBM | speaker | author | @bostonjavausers.bsky.social Vice Chair & board member | tinkerer | boater | black belt in martial arts | Opinions are my own
Daniel Oh @danieloh30.bsky.social Java Champion, CNCF Ambassador & TAG DevEX Co-Chair, Microsoft MVP, Developer Advocate, Technical Marketing, Keynote Speaker, Published Author bit.ly/danielohtv
Moritz Halbritter @0.5ritter.de Putting bugs into Spring Boot since 2022.
Spring Boot team member | Lead of http://start.spring.io and Spring Initializr
More socials and info: https://mhalbritter.github.io/
tiffany jernigan 🐦🔥 @tiffanyfay.dev 👩💻🥑 @grafana.bsky.social
☸️ #cncf ambassador
💻 ex- vmware, amazon, intel, docker
🎓 electrical engineering georgia tech
💭 opinions:mine
📸 instagram.com/tiffanyfayj
🇺🇸 seattle, wa
🔗 linktr.ee/tiffanyfay | tiffanyfay.dev
Thomas Schühly @tschuehly.de Speaker: Spring I/O, Devoxx, JavaZone -
Open-Source: Spring ViewComponent -
htmx engineer: alanda.io -
htmx blog: tschuehly.de -
Indiehacker: photoquest.wedding
Dan Vega @danvega.dev 🍃 Spring Developer Advocate @Broadcom
☕️ Java Champion
📹 YouTuber http://bit.ly/3zJb93b
🎙️ Podcast http://bit.ly/3Tzi0CO
🤖 ByteSized AI http://bit.ly/3XYv87j
Iván López @ilopmar.bsky.social Java Champion & Principal Backend Developer at MasOrange. Previously Broadcom/VMware, Micronaut and Grails committer.
Geek, father, conference speaker, Linux-lover 🐧, Lord of Sealand. @madridgug.com & @madridjug.es organizer.
Karl Heinz Marbaise (he/him) @khmarbaise.bsky.social Java Champion
Apache Maven PMC
Apache Software Foundation Member
Mojo Haus Member
Java Developer,
CI / CD Fan
Freelancer
Spring @spring.io 
Marcin Grzejszczak @toomuchcoding.com Java Champion. Working on observability and contract testing - Micrometer, Spring Cloud Contract.
GraalVM @graalvm.org GraalVM compiles your applications ahead of time into native executables that start instantly, scale fast, and use fewer resources 🚀
Voxxed Days Amsterdam @amsterdam.voxxeddays.com Accelerate your skills at Voxxed Days Amsterdam on April 1st and 2nd, 2026! The conference for the next generation of developers.
Virtual Java User Group @virtualjug.bsky.social Hi from VirtualJUG (vJUG), the world's first online-only Java User Group. Join us, and the best Java experts in the community!
Spring Tools @springtools.bsky.social Spring Tools for Visual Studio Code, Cursor, Eclipse, and Theia: https://spring.io/tools
@java-champions.bsky.social @java-champions.bsky.social 
Michael Minella @michaelminella.com Husband, Father, Director at Broadcom responsible for @spring.io, a Java Champion, curmudgeon on OffHeap, author, photographer, maker. Thoughts are my own. (he/him)
Oliver Drotbohm @odrotbohm.de Frameworks & Architecture in the Spring open source engineering team, all things Spring, Java, data, DDD, REST, software architecture, drums & music. He/him.
Gerrit Grunwald @hansolo.eu JUG Founder, Java Champion, IBM Champion, ❤️ Java, coding in general, mountain biking and photography...may the force be with you... http://gravity-labs.de
Olga Maciaszek-Sharma @olga-maciaszek.bsky.social Java developer. Staff Software Engineer in Spring Cloud team at @spring.io
Alfonso² Peterssen @mukel.bsky.social github.com/mukel
Dan Allen @mojavelinux.com OSS Developer, Community Builder, Asciidoctor, AsciiDoc Language, & Antora Co-Lead, Java Champion, Author, Cornell Alum, Vegan, Lacrosse Friend. Rivian referral code: DANIEL1783828
Paul Bakker @pbakker.bsky.social Staff engineer in Java Platform at Netflix, Java Champion, and creator of the DGS Framework.
JUnit Team @junit.org Shaping the future of testing on the JVM
Venkat Subramaniam @venkats.bsky.social Programmer, author, speaker, founder Agile Developer, Inc., co-founder of @dev2next Conference, professor @CSatUH
Spring I/O @springio.net A two-day conference full of Spring awesomeness in Barcelona. +1300 attendees. Next edition: 13-15 April 2026
Organized by @sergialmar.com
Laur Spilca @laurspilca.bsky.social A #java guy. Pacifist 🕊
JChampions Conference @jchampionsconf.bsky.social Join us for the annual Java Champions online conference on 2025-01-23, 2025-01-24, 2025-01-27, & 2025-01-28
Visit https://jchampionsconf.com to see our lineup and to register for free.
OpenJDK @openjdk.org The place to collaborate on an open-source implementation of the Java Platform and related projects · https://openjdk.org
Stuart Marks @smarks.bsky.social Java/JDK/OpenJDK developer, Oracle Corporation. The views expressed here are my own and do not necessarily reflect the views of Oracle. Mostly on @stuartmarks@mastodon.social ; formerly @stuartmarks on Twitter.
Martijn Verburg @karianna.bsky.social Making tech co-exist with Humans - Principal Group SWE Manager (Java, Python, Go) @ Microsoft, former CEO @ jClarity (acq. by MSFT) formerly Diabolical Developer, Author, Speaker, Angel Investor, Exec Coach, Non-Exec director, Owner of Low Key Cocktail Bar
AssertJ @assertj.github.io Fluent testing assertions for Java and the JVM
SDKMAN! @sdkman.io Effortlessly manage multiple Software Development Kits with SDKMAN! A simple CLI for Unix systems to install, switch, and manage SDK versions. Inspired by tools like apt, git and rvm. By developers, for developers! 🛠️
Kevin Bourrillion @kevinb9n.bsky.social Java Platform Group @Oracle (all opinions are my own alone).
See random stuff about me at http://kevinb9n.github.io
Paco van Beckhoven @devpaco.bsky.social 🇨🇭🌈 Software engineer @hexagon_dr |
Studied software engineering @UvA_Amsterdam | Conference speaker | Running | Climbing | Skating | Gaming
Marc Philipp @marcphilipp.de Software engineer and @junit.org team lead, Java Champion and open source enthusiast, father, husband & family person (he/him)
Website: https://marcphilipp.de
Mastodon: https://chaos.social/@marcphilipp
Kaya Weers @kayaweers.bsky.social Java developer with a great love for innovation | Conference speaker | Likes to play soccer and travel the world
Arjen Poutsma @poutsma.bsky.social Former Spring Framework committer, now writing Call of Cthulhu scenarios.
Hadi Hariri @hadihariri.com SVP of Operations @ JetBrains.
Thorben Janssen @thjanssen123.bsky.social I'm a freelance consultant and trainer helping Java developers create better persistence layers using Hibernate and Spring Data.
Co-organizer JUG Paderborn
https://thorben-janssen.com
https://thorben-janssen.com/join-persistence-hub/
IntelliJ IDEA, a JetBrains IDE @intellijidea.com IntelliJ IDEA – the Leading IDE for Professional Development in Java and Kotlin, by @jetbrains.com
Tips: #IntelliJIDEATips
New Features: #NewInIntelliJIDEA
Our YouTube channel: http://jb.gg/video
Maciej Walkowiak @maciejwalkowiak.bsky.social 
Charity Majors @charity.wtf cofounder/CTO @honeycombio, co-author of Observability Engineering and Database Reliability Engineering. I test in production and so do you. 🐝🏳️🌈🦄
Donald Raab @thedonraab.bsky.social Java Champion. Writer of blogs. Creator of the OSS Java library Eclipse Collections. Author of Eclipse Collections Categorically (https://a.co/d/6KmhrNK) . Opinions are my own.
Blog: https://donraab.medium.com/
Devoxx UK @devoxx.uk A Developer Community Conference
Daniel Garnier-Moiroux @garnier.wf Fiddler of things. Makes computers go beep-boop 🤖 Contributor to Spring Security. Spring Meetup Paris. 🍃
Certified Java Champignon 🍄