Oracle ACE Program @oracleace.bsky.social Recognizing the community for their contributions. Learn more about the ACE Program @ http://ace.oracle.com
Thomas Wuerthinger @thomaswue.dev Passionate about compilers & programming languages. GraalVM founder & project lead. VP at Oracle. Expressed opinions are my own. For DM: contact@thomaswue.dev
Matt Raible @mraible.bsky.social Software engineer with a passion for skiing, mountain biking, VWs, and good 🍺. Driving a '66 21-window & a '90 Syncro. Made in Montana. https://raibledesigns.com
Bert Jan Schrijver @handle.invalid CTO @OpenValue.eu, JUG leader @NLJUG.bsky.social. J-Fall/Spring organizer, @JavaChampions.bsky.social, @iSAQB.bsky.social, JavaOne rock star speaker, Duke’s choice award winner, Java/architecture/CD/DevOps.
Roy van Rijn @royvanrijn.com Director of OpenValue Rotterdam, is a @Java_Champions, founder of Rotterdam JUG, public speaking: Java, AI, math, algorithms
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.
Sven Reimers @sreimers.bsky.social Java Champion,
JUG Leader JUG Bodensee, JTaccuino
Apache NetBeans PMC, OpenJFX author,
Systemengineer @ Airbus Defence and Space
Devoxx4Kids @devoxx4kids.bsky.social Inspire children to program, robotics and engineering. WorldWide
Merlin Bögershausen @handle.invalid Passionated Java Dev, Speaker, Oracle ACE Associate, Father and Flight Instructor, OpenRewrite Contributor
Personal Portfolio https://mboegie.dev/
Falk Sippach @sippsack.bsky.social Software architect @embarced, organizer @JUG_DA, @CyberLandConf, @iSAQB, @SpeaKonf, @devsonthestage, member of @Java_Champions
Amsterdam Java User Group @amsterdamjug.bsky.social 
Kent Beck @kentbeck.com Independent I guess these days you'd say content producer, artist, programmer, musician, pokerist. More about me at https://KentBeck.com.
Stephan Janssen @stephanjanssen.be Founder @Devoxx.com Devoxx4kids, BeJUG and DevoxxGenie | Co-founder @Voxxed.com, VoxxedDays - Founder JCS int. acquired by RealDolmen ('02) : See also @ https://stephanjanssen.be
https://grokipedia.com/page/Stephan_Janssen
Holly Cummins @hollycummins.com @IBM - Senior Principal Software Engineer, working on Quarkus. Java Champion, developer, author, #cloud surfer and maker. My views are my own.
Guillaume Laforge @glaforge.dev 🥑 Developer Advocate for Google Cloud ☁️
🧠 Focusing on Generative AI 🤖
⭐ Co-founder of the 🪶 Apache Groovy programming language
☕ Java Champion 🏆
📣 Co-host of Les Cast Codeurs Podcast
🐘 @glaforge@uwyn.net on #Mastodon
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.
Per Minborg @pminborg.bsky.social Java Core Library Team @Oracle (all opinions are my own alone).
GraalVM @graalvm.org GraalVM compiles your applications ahead of time into native executables that start instantly, scale fast, and use fewer resources 🚀
Ana-Maria Mihalceanu @ammbra1508.bsky.social
Java Champion Alumni | Architect| Sr. Developer Advocate @Oracle 🇳🇱 | Speaker | Co-founder@BucharestSCC. Opinions are my own. 
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
Belgian Java User Group @bejug.bsky.social Java now, Java always :)
Cees Bos 👨🏻💻 📉🔍📈 ✅ @ceesbos.nl Observability enthusiast | Grafana Champion | Java Developer
Always looking for ways to improve software with better observability and what new insights can be gained.
🖥️ @openvalue.eu as a software & observability engineer and SRE.
📖 ceesbos.nl
jbáruch 🎩 @jbaru.ch Head of DevRel at @tweetsbyport - the Agentic SDLC Platform. Co-author of #LiquidSoftware and #DevOps Tools for #Java Developers. Java Champion, MSFT MVP for AI, CNCF Ambassador Alumni.
DOAG e.V. @doagev.bsky.social Wir informieren IT-Fachkräfte in diversen Umfeldern über Neuigkeiten, helfen ihnen beim Meistern ihrer Herausforderungen und begleiten sie mit Expertenwissen.
Roland Weisleder @rweisleder.de Independent Java Software Developer and Consultant.
Bringing Legacy Java Systems Into the Future.
JavaLand @javaland.bsky.social JavaLand – The Java Community Conference
https://www.javaland.eu
Alina Yurenko @alina-yurenko.bsky.social Ukrainian. Love tech, compilers, and open source. Developer Advocate for GraalVM at Oracle. Ambassador of snacks and not running.
Brian Benz @bbenz.bsky.social Microsoft AI Advocate. Certified stunt coder
Abdel Sghiouar @boredabdel.bsky.social Cloud Developer Advocate @Google | Co-Host of @kubernetespodcast.com | Devoxx Morocco PC | CNCF Ambassador | Opinions are my own.
#k8s #cloud #servicemesh #security
Cay Horstmann @horstmann.com Nothing to see here...keep moving! Specifically, to Mastodon: https://foojay.social/@cayhorstmann
Martin Fowler @martinfowler.com Software Design Loudmouth. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.
host of https://martinfowler.com
Vincent Mayers @mayers.io DevRel and Tech Community Leader, Java Champion, MicroProfile.io steering committee, Speaker, Organizer of Devnexus and Atlanta Java Users Group
Kaya Weers @kayaweers.bsky.social Java developer with a great love for innovation | Conference speaker | Likes to play soccer and travel the world
Heinz Kabutz 🏝 🇬🇷 🇿🇦 ☕️ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
Freddy Guime @fguime.bsky.social Distinguished Principal Engineer @expediagroup.bsky.social . Previously of the financial industry. Co-host of
@javapubhouse, podcast for the Java dev. Co-Author of Java 7 Recipes
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/
Eclipse Foundation @eclipse.org Brussels-based member-driven non-profit supporting a global open source community. We host the Eclipse IDE, Jakarta EE, Adoptium, Open VSX and 400+ projects.
Marcus Hellberg @marcushellberg.dev Applied AI Researcher, Speaker, DevRel expert.
Java Champion.
VP of AI Research @vaadin.com
Rustam Mehmandarov @rustam.no Passionate computer scientist 📍🇳🇴
Java Champion ☕ | Google Developer Expert (GDE) for Cloud ⛅ | Docker Captain 🐳 | Public speaker 🎙️ | Mentor & Community leader 🌟 | All things Java, Cloud, AI/ML, data, & open source | Ex-leader of JavaZone & javaBin.
Kids4IT @kids4it.bsky.social Programmieren, Roboter und Elektronik für Kinder!
Die Kids4IT gUG bietet regelmäßig Workshops IT-Workshops für Kinder im Alter zwischen 8 und 14 Jahren in den Räumen des Schülerforschungszentrum Hamburg an.
Mehr Infos auf https://www.kids4it.de/
JUG Hannover @jughannover.bsky.social Java User Group Hannover, Germany
𝕏 https://x.com/jugHannover
🐘 https://ijug.social/@jughannover
📆 https://www.meetup.com/de-DE/java-user-group-hannover/
Java User Group Hamburg @jug-hamburg.bsky.social The JUG in the North! We offer the best Hamburg weather and inquisitive Meetup participants! Info on the talks here: https://www.meetup.com/de-DE/jug-hamburg/
Azul @azulsystems.bsky.social Azul provides the world's most trusted Java platform, founded on open source and delivered by the world's largest independent Java engineering team, and is the only company 100% focused on Java.
InfoQ @infoq.com Helping dev teams adopt new technologies and practices through news, podcasts, QCon conferences, and InfoQ online certification.
gio 🇵🇷 @gcollazo.com Software developer with 15+ years of experience building apps and services across web, desktop, and mobile platforms.
Python | Go | TypeScript | Learning Rust
Apache Software Foundation (The ASF) @apache.org The global home for open source software, powering some of the world’s most ubiquitous software projects in web, big data, Java, IoT, cloud computing, and more. Learn more at https://apache.org.
Arc of AI Conference @arcofai.bsky.social Arc of AI Conference
Codemash @codemash.bsky.social January 13-16, 2026 | CodeMash.org is a unique event to educate developers on current practices, methodologies and technology trends in variety of platforms and development languages.
Voxxed @voxxed.com Sharing expert knowledge on Java, JVM, Methodology, Cloud, Mobile & Future tech. Follow us for tutorials, presentations and interviews.
Voxxed Days Zürich @voxxedzurich.bsky.social Community Developer Conference in Zurich, Switzerland, taking place on 25 March 2025.
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.
Devoxx UK @devoxx.uk A Developer Community Conference
Devoxx France @devoxx.fr 🤖 Devoxx France 🤖
Conférence pour les développeurs & développeuses
📍 Paris Palais des Congrès
📆 RDV du 7 au 9 avril 2027 pour la 15ème édition !
Devnexus @devnexus.bsky.social THE LONGEST-RUNNING AND LARGEST JAVA CONFERENCE IN THE USA. MARCH 4-6, 2025 BE THE FIRST TO KNOW OUR NEWS https://atlj.ug/StayInformed https://devnexus.com/
@dev2next.bsky.social @dev2next.bsky.social The conference to learn, apply, and improve our craft; spearheaded by @venkats.bsky.social
Domain-Driven Design Europe @dddeu.bsky.social Software Modelling and Design Conference - https://dddeurope.com
Amsterdam, June 3-4, 2027
Live Workshops on Software Design, Modelling, Programming, and Practices - https://ddd.academy/
Adaptive Organizations meet Architecture @aomaconf.bsky.social The conference where software architecture meets the reality of modern organizations.
Jacqui Read @tekiegirl.bsky.social https://jacquiread.com/
🖋️author | 🧙🏻♀️architect | 📢keynote speaker | 👩🏻🏫trainer | 💡thought-leader | 👩🏻🎓 life-long-learner | 📃 TOGAF & SABSA Certified
A N M Bazlur Rahman @bazlur.ca Java Champion 🏆 Empowering Developers through Speaking 🗣️ Writing ✍️ Mentoring 🤝 & Community Building 🌍 Published Author 📖 Contributing Editor at InfoQ and Foojay.IO
DNAstack
https://bio.site/bazlur
Books: https://bazlur.ca/books/
OpenJDK @openjdk.org The place to collaborate on an open-source implementation of the Java Platform and related projects · https://openjdk.org
Spring @spring.io 
Mary Grygleski @mgrygles.bsky.social 
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!
Brian Demers @bdemers.io Father, Geek 🤓, Beekeeper 🐝, Java Champion ♨️, and Developer Advocate 🥑 at Gradle
FrankG @frankgreco.bsky.social AI/ML Consultant and Technology Strategist, Educator, NYJavaSIG Chair, Java Champion, Musician, Writer, Obnoxious Foodie, and very bad Fisherman. #STEAMnotSTEM #Diversity
Emily Jiang @emilyjiang.bsky.social Java Champion, Book Author, MicroProfile Guru, Jakarta EE supporter
Christian Grobmeier @grobmeier.de Java Champion & ASF VP Data Privacy. I write and speak about code, ethics, and what it means to build systems that last.
Logging Off? https://grobmeier.de
Jonas Tebben @tebben.dev Freelance Software Engineer & Lecturer | 15+ years XP in building large-scale eCommerce systems
https://jonas-tebben.de
JCON Conference @jcon.one Java Community Conferences - in-person.
linktr.ee/jcon_conference
Imprint, privacy policy: http://jcon.one
@java-champions.bsky.social @java-champions.bsky.social 
JetBrains @jetbrains.com On a mission to make software development a more productive and enjoyable experience. Make it happen. With Code.
Mala Gupta @malagupta.bsky.social JavaChampion. Speaker. Books: http://goo.gl/QD6eeh. Co-lead
Delhi JUG. DevNexus Rockstar!
Pasha Finkelshteyn 🇩🇪⬅️🇷🇺(✡️) @asm0dey.site Developer advocate for @BellSoft
Love people, both listen and talk to
https://asm0dey.site/
Sebastian Daschner @daschners.bsky.social Helping developers solving the challenges of enterprise software.
Maarten Mulders 💙💛 @mthmulders.bsky.social Architect, developer, trainer & speaker @ Info Support. Also Java Champion and Oracle ACE Pro. Other: food, music & photography. Views are my own; interpretations are yours.
Mark Reinhold @mreinhold.org Chief Architect, Java Platform Group, Oracle · Views are my own · https://mreinhold.org
Frank Delporte @frankdelporte.be Senior Technical Writer at Azul - Author of “Getting Started with Java on the Raspberry Pi” - Blogging, writing, podcasting, and experimenting about all things #Java and #JavaOnRaspberryPi - Java Champion
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/
Oleg Šelajev @shelajev.bsky.social Oleg Šelajev is a developer advocate at Docker working mainly on developer productivity, Testcontainers, improving how we set up local development environments and tests, and building applications with AI parts. Developer. Author. Speaker. Java Champion. D
Gunnar Morling @gunnarmorling.dev Technologist @ Confluent · Ex-lead of Debezium · Spec lead of Bean Validation 2.0 · Creator of Hardwood, kcctl, JfrUnit, MapStruct · Java Champion · morling.dev · 🚴
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
Bob Paulin @bobpaulin.com Thinker-doer. Developer. ASF Member. Java Champion. Dad x 4.
Burk Hufnagel @burkhufnagel.bsky.social Java Champion, Eagle Scout, Test-Driven Development Advocate
Reza Rahman ☮ @reza-rahman.bsky.social Java technologist, leader, author, speaker. Past key member of Oracle’s and Microsoft’s Java teams. Jakarta EE Ambassador. Anti-racist. This account is squarely mine as are the views here.
Tim te Beek @timtebeek.github.io Staff software engineer at Moderne, where I'm the community lead for OpenRewrite.
Markus Westergren @maswen.bsky.social I’m helping professional Java back-end developers like you write maintainable code so that you can become a sought-after expert in the software industry.
LangChain4j @langchain4j.dev Effortlessly build LLM-powered applications in Java, including chatbots, agents, structured data extraction and RAG: https://github.com/langchain4j/langchain4j
Jonatan Ivanov @jonatan-ivanov.bsky.social @micrometer.io and @spring.io maintainer, Spring Observability Team member, Open Sourcerer, Speaker, @seattlejug.bsky.social co-organizer, Java Champion
Jim Grisanzio @grisanzio.bsky.social Building FOSS Communities https://grisanzio.com/ #foss #opensource
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
Hanno Embregts 🎤🎸 @hanno.codes Java Developer 💻 by day, musician 🎤🎸 by night. A bit of both at developer conferences.
🏆 Java Champion
♠️ Oracle ACE Pro
🎟️ NLJUG Leader
👨🏼💻 Trainer / Technology Advocate at Info Support
🔗 hanno.codes
🇺🇦🏳️🌈🌱 Code for good
Miro Wengner @mirowengner.bsky.social @Java_Champions, @oracleace, Software Engineer, OpenJDK, @Robo4J, Published Author, father, husband, data geek and dreamer
https://partnerships.packt.com/interview-with-miroslav-wengner/
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.
Ivar Grimstad @theguywiththeduketattoo.com Java Champion | Jakarta EE Developer Advocate | The guy with the Duke tattoo
https://jakarta.ee/community/developer-advocate/
Viktor Gamov @gamussa.dev Principal Developer Advocate at @confluent.io, ☕️Java Champion, Co-author Kafka in Action, Flink aficionado
Quarkus @quarkus.io Supersonic Subatomic Java
Jakarta EE @jakarta.ee Hosted by the @eclipse.org, Jakarta EE is focused on enabling community-driven collaboration and open innovation for the cloud.
https://jakarta.ee/
Johannes Bechberger @mostlynerdless.de OpenJDK hacker at SapMachine, works on hello-ebpf for fun
Ken Kousen @kousenit.com Author, speaker, software developer, and technical trainer. Java Champion, teaches Java, Groovy, Gradle, Kotlin, Android, Spring. Publishes "Tales from the jar side" newsletter and YouTube channel
Foojay, the Friends Of OpenJDK @foojay.io Foojay.io is the central resource for the Java community’s daily information needs, a place for friends of OpenJDK, and a community platform for the Java ecosystem — bringing together and helping Java professionals everywhere.