Pierre Romera Zhang @pirhoo.com I’m CTO at the International Consortium of Investigative Journalists (@icij.org) where I build interactive stories, data driven investigations and tools.
#PandoraPapers #UberFiles #FinCENFiles #LuandaLeaks and many more.
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.
Benjamin Nothdurft @dataduke.bsky.social 🎤 Community, Leadership, Java, Cloud
🏅 7x Oracle ACE Pro, JUG Leader
🌍 San Francisco, CA <> Jena, GER
🔗 www.linktr.ee/dataduke
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
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/
JobRunr @jobrunr.bsky.social An easy way to perform background #job #processing in #java. Distributed and backed by persistent storage. Open-source and free for commercial use.
Grzegorz Piwowarek @pivovarit.bsky.social Java Champion, Leader @vavr_io @WarszawaJUG
Committee @JDD_Krakow
ex @hazelcast
Dad jokes are my own.
https://github.com/pivovarit
Heinz Kabutz 🏝 🇬🇷 🇿🇦 ☕️ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
Czech JUG @czjug.bsky.social Czech Java User Group
🌐 https://jug.cz/
📅 https://meetup.com/czjug-prague
Thomas Much @thmuch.bsky.social Engineering Org Whisperer. Technical Coach. Occasional Speaker. Pair Programming, Mob/Ensemble/Team Programming, Modern Agile, modern Java. DevSecOpsUxQa...Customer! Posts in English and German.
JavaForumNord @javaforumnord.bsky.social Die jährliche Community Konferenz der Java User Groups aus dem Norden, alle Themen rund um Java und Softwareentwicklung.
joschi @joschi.work 🦣 Mastodon: https://hachyderm.io/@joschi
🐙 GitHub: https://github.com/joschi
Mary Grygleski @mgrygles.bsky.social 
Nicolai Parlog @nipafx.dev Java enthusiast with a passion for learning and sharing. Developer Advocate at Oracle but views are my own.
evanchooly @evanchooly.bsky.social Java Champion. Kotlin fanatic. Bit twiddler. New Yorker. Pronounces it jif. SSE at @Datadog. @evanchooly@mastodon.social
Warszawa JUG @warszawa.jug.pl Java User Group in Warszawa, Poland. https://warszawa.jug.pl/
NYJavaSIG @nyjavasig.bsky.social The NYJavaSIG, a Java user group based in the NY Metro area, brings together Java developers from the tri-state region and worldwide.
Sebastian Basner @sebastianbasner.bsky.social @sebastianbasner@chaos.social
@steveonjava.bsky.social @steveonjava.bsky.social 
Rafael Winterhalter @rafaelcodes.bsky.social software consultant who likes static typing, coding at http://github.com/raphw 🇧🇻🇩🇪🇪🇺
@jmichelberger.bsky.social @jmichelberger.bsky.social JUG Bodensee Co-Leader, Systemengineer @ Airbus Defence and Space
🌈Andrea Vacondio 🌈 @torakiki.bsky.social Java enthusiast. Creator of PDFsam.
Every time you run mvn with -DskipTests a fairy dies
OpenRewrite by Moderne @openrewrite.github.io OpenRewrite recipes automate security vulnerability remediations, framework migrations, code compliance and more—across a growing language and technology ecosystem.
Maintained by Moderne.ai
GitHub: http://github.com/openrewrite
javaMexico @javamexico.org The Mexican Java Community
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Stefano Cordio @scordio.github.io Software Engineer @ EPAM Systems
Maintainer of @assertj.github.io
Thanos Stratikopoulos @stratika.bsky.social Research Fellow at The University of Manchester,
#TornadoVM Team.
Jakarta EE Ambassadors @jee-ambassadors.bsky.social We are an independent grassroots community passionate about moving Jakarta EE forward. Join us!
Simon Ritter @speakjava.bsky.social Deputy CTO at @AzulSystems. Java Champion, member Java SE Expert Group, JCP EC, OpenJDK Vulnerability Group and Adoptium SC. AMA about Java and JVM.
Ben Linders @benlinders.bsky.social 
Raphael De Lio @raphaeldelio.dev AI Engineer | Software Engineering | Building AI agents @ Redis (@redis.io)
https://raphaeldelio.com | https://youtube.com/raphaeldelio | https://linktr.ee/raphaeldelio
Darcy DeClute | Scrumtuous @scrumtuous.com Pythonista, Mojo lover for AI & ML, Java developer, Scrum Master and author of the best-selling Scrum Master Certification Guide. Looking forward to making friends in a supportive community. (I'm @Scrumtuous on all platforms, including YouTube. Subscribe!)
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.
Jim Grisanzio @grisanzio.bsky.social Building FOSS Communities https://grisanzio.com/ #foss #opensource
#javabubble @javabubble.bsky.social Use the #javabubble or #java hashtags
The biggest community of Java Developers in Bsky!
I follow everyone who mentions #Java or #JavaBubble in their posts and repost them all!
Built by @raphaeldelio.dev
Not an official Java account
Geert Bevin @gbevin.uwyn.com Director of Software Development at Moog Music, Principal Software Engineer at Roger Linn Design, Father of MPE, Board Member at Asheville Music School, Creator of RIFE2 & bld, Java Champion, Maker, 3D Printing & Design, Singer, Guitarist, Kung Fu, Tai Chi
Johan Janssen @johanjanssen.bsky.social Architect at ASML. Conference speaker, JavaOne Rock Star. Chocolateynuget Java packages. InfoQ Java news author.
Johan Vos @johanvos.bsky.social Java Champion, Gluon and LodgON.
co-lead OpenJFX, lead OpenJDK-Mobile . Java for science, Quantum Computing. PhD
Vincent Mayers @mayers.io DevRel and Tech Community Leader, Java Champion, MicroProfile.io steering committee, Speaker, Organizer of Devnexus and Atlanta Java Users Group
David Heffelfinger @ensode.bsky.social Java Champion, Apache NetBeans PMC Member, Technical Author, Jakarta EE Consultant and Instructor.
Per Minborg @pminborg.bsky.social Java Core Library Team @Oracle (all opinions are my own alone).- E Matthew Coles @eternewbie.bsky.social Security professional. Author. Speaker. Mentor.
Always a newbie, continual learner. Avid gamer.
#threatmodeling | OWASP pytm | The Security Table podcast
Mihai Maruseac @mihai.page Building AGI with Privacy and Security at OpenAI.
Previously: ML Supply chain security @ Google OSS Security Team (model signing, GUAC).
Previously: TensorFlow Security & OSS (@ Google)
Previously: Haskell+differential privacy+ML @ LeapYear
Jeanne Göthberg @jeannego.bsky.social Organizing Jfokus and other awesome stuff, living in Stockholm, coming from France, raising two beautiful kids and enjoying it all. Opinions are my own.
Voxxed Days Zürich @voxxedzurich.bsky.social Community Developer Conference in Zurich, Switzerland, taking place on 25 March 2025.
Mattias Karlsson @matkar.bsky.social Jfokus founder, Java Champion, JUG leader, Software Vagabond, Family father, Motorcyclist & Kiva supporter. Check out @jfokus.bsky.social
Bert Jan Schrijver @bjschrijver.dev 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.
Pasha Finkelshteyn 🇩🇪⬅️🇷🇺(✡️) @asm0dey.site Developer advocate for @BellSoft
Love people, both listen and talk to
https://asm0dey.site/
Kevin Wittek @wittek.dev Engineering Manager and Tech Lead at Docker, doing AI & Testcontainers, guitar & simracing, husband & dad
Ken Fogel @omniprof.bsky.social Java Champion, Retired CS teacher, Author of Transitioning to Java, JChampions Conference organizer, Humanist
Brent Ryan @brentryan.bsky.social VP of Engineering at Cvent | Architecting the future of event tech | R&D enthusiast | Nerd for innovation, code, and next-gen solutions!
Daniel Bryant @danielbryantuk.com Platform Engineer and PMM at Syntasso | News/Podcast at InfoQ | Web 2.0 coder, platform engineer, Java Champion, CS PhD | cloud/K8s, APIs, IPAs, running | learner/teacher
Sami Ekblad @samiekblad.bsky.social Copy-paste Java coder who wants the applications to look good. 
Peter Lawrey @peterlawrey.bsky.social Java Champion | Vanilla Java Blog (6M views) | CEO of Chronicle Software with 8 out the top 11 investment banks as clients.
Six kids from 3 to 26
Tom Eugelink @tbeernot.bsky.social Naturally born coder, dancer, occasional speaker, attempting to hold off chocolate, and often pondering the question: "but why"?
Rabea Gransberger @rgransberger.bsky.social Mother of 2 Kids (2019, 2021), Java Developer, Java Champion
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!
Geoffrey De Smet @geoffreydesmet.bsky.social PlanningAI expert, Timefold co-founder, OptaPlanner creator, complex scheduling and routing, Operations Research, Java, Kotlin, open source, international speaker
Chris Engelbert / noctarius - エンゲルベルト クリス @noctarius.com DevRel / Tech Marketing @ simplyblock.io
Noctarius ツ, #Devrel, #Opensource, #JapaneseFood, #JavaChampions
Ex Timescale, clevabit, Instana, Ubisoft, Hazelcast
Views are my own
Linktree: https://linktr.ee/noctarius2k
David Delabassée @delabassee.bsky.social Senior Director of Java Developer Relations - Oracle
Views are my own!
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
Michael Simons @rotnroll666.bsky.social 👨👩👦👦👨🏻💻🚴🏻 – Father, Husband, Developer, Athlete. Author of Spring Boot Buch, and DuckDB in Action with Manning. Java champion working at Neo4j on various integrations within the JVM ecosystem.
More: https://michael-simons.eu
Mark ⚡️Heckler @mkheck.bsky.social Computer scientist & MBA, pilot, inglés y español. Java Champion, Google Dev Expert in Kotlin, Rockstar presenter, author of Spring Boot: Up & Running. Ex Oracle, Pivotal, VMware, Microsoft, Moderne
Adi Polak @adipolak.bsky.social Code | Test | Deploy | Get paged
Data streaming, Machine Learning and AI app intensive Systems
Patrick Baumgartner @patbaumgartner.com Working @42talents. Spring Trainer @VMwareTanzu. Co-Organizer @VoxxedZurich, Board member of @jugch, Software Crafters Zurich & SoCraTes Conf Switzerland
Gerd Castan @gerdcastan.bsky.social 
Richard Fichtner 💻☕ @richard.fichtner.dev CEO of @xdev.software, Loves Java ❤️☕, Java Champion, Founder JUG Oberpfalz, Co-organizer @jcon.one, IBM Champion, Oracle Ace, Vaadin Champion, Dongolorian, Father and Husband
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.
LawrenceDCodes @lawrencedlockhart.bsky.social @Dev 🥑
@Karat Brand Ambassador Brilliant Black Minds
@CodeConnector_ Advisor
@Java is my jam
https://www.tiktok.com/@lawrencedlockhart
@marcandsweep.bsky.social @marcandsweep.bsky.social 
Jorge Hidalgo 💾💾 /home/deors @deors.bsky.social lecturer in recent runes, father of 2, husband, whistle player, videogames, geek, all things software & platform engineering, java, cloud & devops at Accenture | MálagaJUG Lead | Java Champion | OpenSouthCode.org
Sharat (Shar) Chander - 🟦🌊 @sharatchander.bsky.social 🏳️🌈🇺🇸🇨🇦🇮🇳🇺🇦 #DemocracyMatters | #Java #DevRel at #Oracle | Previously at Sun Microsystems, Verizon, & Bell Atlantic | University of Maryland (Undergrad) and Loyola University, Baltimore (MBA) | 70s rock and R&B, 80s alternative and Rap lover | Views mine
Tim te Beek @timtebeek.github.io Staff software engineer at Moderne, where I'm the community lead for OpenRewrite.
David Gómez G. @dgomezg.bsky.social JavaChampion. @madridjug.es co-organizer. I love doing stuff with other people, learning from others & sharing what I know.
heise Developer @heisedeveloper.bsky.social News für Entwickler - präsentiert vom Developer-Ressort von @heise.de und @ixmagazin.bsky.social + http://heise.de/developer/impressum.html
heiseonline @heise.de News rund um Technik, IT und Digitales.
heise.de/impressum.html & http://heise.de/privacy
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
Bruno Borges @brunoborges.bsky.social Empowering developer communities.
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.
Sven Reimers @sreimers.bsky.social Java Champion,
JUG Leader JUG Bodensee, JTaccuino
Apache NetBeans PMC, OpenJFX author,
Systemengineer @ Airbus Defence and Space
Frank Delporte @frankdelporte.be #JavaOnRaspberryPi - My "social media focus" is on Mastodon at foojay.social/@frankdelporte, and I will crosspost here. Sorry for the double content if you follow me on both...
Devoxx UK @devoxx.uk A Developer Community Conference
jbáruch 🎩 @jbaru.ch DevRel Team tessl.io
Java Champion, Ex-CNCF Ambassador.
Co-author of #LiquidSoftware and #DevOps Tools for #Java Developers.
Marit van Dijk @maritvandijk.bsky.social 💻 Software Developer | ☕🥑 Java Developer Advocate @ JetBrains | 🏆 Java Champion | 🎤 International Keynote Speaker | 👩💻 Pronouns: She/her
https://maritvandijk.com/
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
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.
Daniel Lobão @lobaorn.bsky.social 🇧🇷 | Backend Engineer na Bitso | Entusiasta de Java, JVM e Open-source. Especialista em desempenho e modernização. Resolvedor de problemas e construtor de consensos. Casado e paizão de 2 garotos.
Ray Tsang @saturnism.me Loves Java, Cloud, and Developer Productivity. Java Champion.
@kjjaeger.bsky.social @kjjaeger.bsky.social Java, SQL, Linux, OpenSource guy
Simon Martinelli @martinelli.ch Java Champion, Vaadin Champion, Oracle ACE Pro, International Speaker, Programming Architect, and Lecturer for Software Architecture, Java, Persistence, and DevOps.
https://martinelli.ch
Josh Long 🍃 @starbuxman.joshlong.com Spring Developer Advocate
Java Champion
Kotlin Google Dev Expert
https://YouTube.com/@coffeesoftware
https://github.com/joshlong
Informatik Aktuell @informatikaktuell.bsky.social Fachmagazin zu Software-Architektur und -Entwicklung, DevOps, Cloud, IT-Security und Agile- T @tallgirlgoeswild.bsky.social @tallgirlgoeswild.bsky.social
Ivar Grimstad @theguywiththeduketattoo.com Java Champion | Jakarta EE Developer Advocate | The guy with the Duke tattoo
https://jakarta.ee/community/developer-advocate/
Wolfgang Weigend @wolfgangweigend.bsky.social Software solution engineer at Oracle about Java technology, GraalVM & architecture to develop enterprise Java applications as in cloud infrastructure. Ex-Sun & Ex-bea
Anton Arhipov @antonarhipov.bsky.social Developer Advocate @ JetBrains
https://antonarhipov.com
#java #kotlin #programming
Eddie Cho @eddie-cho.bsky.social 
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
Lars Rosenquist @calvobianco.com "Do the right thing. Do what works. Be kind."
Aka Calvo Bianco
Father of 2, husband of 1, musician
Dev adv eng @ Zoom
Former Redis, VMware, Pivotal
Dutch
He/him
https://calvobianco.bandcamp.com
https://www.youtube.com/@calvobianco