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.
JakartaOne @jakartaone.jakarta.ee From Tech Talks and Livestreams to In Person gatherings, JakartaOne brings the community together to explore the future of enterprise Java.
JavaLand @javaland.bsky.social JavaLand – The Java Community Conference
https://www.javaland.eu
Payara Services @payara.bsky.social Jakarta EE & MicroProfile compatible, supported application servers for production and containerized deployments.
Carmen Delgado @cldelgadop.bsky.social Fiel creyente de la igualdad y el poder de la comunidad💜 | Mentora en @step4ward-es.bsky.com 💪| @adoptium.net program manager 🤗 at @eclipsefdn.bsky.social | Mom since 2023 🤪
List of talks, posts and more: https://github.com/cldelgadop
@scottmarlow.bsky.social @scottmarlow.bsky.social 
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/
Buffer @buffer.com The social media management platform for scheduling, publishing & analytics across every major network. Plan your content calendar in one place. This account is managed by real humans. 💙
⬇️ buffer.com/bluesky
Sovereign Tech Agency @sovereign.tech Strengthening digital infrastructure & open source ecosystems in the public interest. Home of the Sovereign Tech Fund, Sovereign Tech Resilience, Sovereign Tech Fellowship, & other programs supporting critical FOSS technologies.
https://www.sovereign.tech
Thomas Froment @thomasfroment.bsky.social Program Manager, Development Tools @ Eclipse Foundation
Eclipse Software Defined Vehicle @sdv.eclipse.org An open technology platform for the software defined vehicle of the future.
Eclipse IDE @eclipseide.org The leading open platform for professional developers.
https://eclipseide.org/
Eclipse Cloud DevTools @ecdtools.eclipse.org 
Open Regulatory Compliance @orcwg.org Global, industry-led collaboration helping organisations understand and implement open source compliance strategies under evolving regulations. Hosted by @eclipse.org
Get involved: orcwg.org/participate/
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.
David Blevins @dblevins.bsky.social A founder of the Apache TomEE, OpenEJB, Geronimo and MicroProfile projects. Member of Apache, EE4J PMC, Jakarta EE WG. CEO @Tomitribe
Ken Fogel @omniprof.bsky.social Java Champion, Retired CS teacher, Author of Transitioning to Java, JChampions Conference organizer, Humanist
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!
Amsterdam Java User Group @amsterdamjug.bsky.social 
JUG Stuttgart 🐘@jugstuttgart@ijug.social @jugs.org Eine der aktivsten Java User Groups in Europa.
Utrecht Java User Group @utrechtjug.bsky.social The official JUG of Utrecht and proud JCP Partner
OSPO Alliance @ospoalliance.bsky.social We aim to help companies and public institutions discover and understand open source, experience its benefits, and grow to host an Open Source Program Office.
www.ospo-alliance.org
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
Maximillian Arruda @maxdearruda.bsky.social Software Engineer 💻| Developer Advocate 🥑 | Jakarta EE Ambassador | Jakarta NoSQL Committer | Oracle ACE Associate | SouJava JUG leader ☕️ | Open-source contributor | Streamer, Speaker and Article writer🎤📄 | 🤔Opinions are my own
Barcelona Developers Conference @devbcn.bsky.social DevBcn conference
📌 Barcelona 🗓️ 8-10th July 2025
➡️ JVM, Python, JScript, DevOps, Agile, AI, Cloud
👩💻 800+ attendees 🌞 3 days 🗣️ 70 speakers
👉 https://www.devbcn.com
Kito D. Mann @kitomann.bsky.social 
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.
OmniFish @omnifish.bsky.social Jakarta EE Consulting, @Glassfish and @Piranha_cloud Support from @Java_Champions and long time @JakartaEE experts.
https://omnifish.ee
Jakarta EE Ambassadors @jee-ambassadors.bsky.social We are an independent grassroots community passionate about moving Jakarta EE forward. Join us!
Dominika Tasarz @dominislawa.bsky.social Java/Jakarta EE & Payara Community Manager, Senior Marketing Specialist
Tanja Obradovic @tanjaeclipse.bsky.social Java Programs at Eclipse Foundation
David Matějček @dmatej.bsky.social Senior Java Developer | Eclipse GlassFish Lead | OmniFish Owner | QA Expert
Edwin Derks @edwinderks.bsky.social Java Champion | Architect | Writer | Speaker | Contributor for Jakarta EE and MicroProfile | Car Maniac | Extreme Dance & Metal Music Fan |
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
Ed Burns @edburns.bsky.social Beneficiary of white privilege, Ed Burns is a software stylist, speaker, and author, currently working in the server side Java space. (he/him)
http://purl.oclc.org/NET/edburns/
javaMexico @javamexico.org The Mexican Java Community
Simone Bordet @simonebordet.bsky.social Jetty/CometD Lead. Java and JVM. Web/Network Protocols (HTTP/1/2/3, WebSocket, QUIC). Some CrossFit.
Eclipse Adoptium @adoptium.net The Adoptium Working Group promotes and supports high-quality runtimes and associated technology for use across the Java ecosystem. Part of @eclipse.org
Malmö JUG @javaforum.bsky.social The Java User Group in Malmö, Sweden. | https://javaforum-malmo.github.io/
Daniel Kec @kec.bsky.social Java developer @OracleCZ working on @helidon_project
The views expressed here are mine and do not necessarily reflect the views of Oracle
Nick Ebbitt @nickebbitt.com Manchester JUG leader, Cloud Native Glasgow organiser. Interested in all things platform engineering, Java and communities
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
Marit van Dijk @maritvandijk.bsky.social 💻 Software Developer | ☕🥑 Java Developer Advocate @ JetBrains | 🏆 Java Champion | 🎤 International Keynote Speaker | 👩💻 Pronouns: She/her
https://maritvandijk.com/
Kevlin Henney @kevlin.bsky.social consultant · father · he/him · human (very) · husband · itinerant · programmer · keynote speaker · technologist · trainer · writer
Josh Long 🍃 @starbuxman.joshlong.com Spring Developer Advocate
Java Champion
Kotlin Google Dev Expert
https://YouTube.com/@coffeesoftware
https://github.com/joshlong
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 · 🚴
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.
Trisha Gee @trishagee.bsky.social Java Champion, Developer Productivity Advocate, Author
https://trishagee.com
https://linktr.ee/trisha_gee
🇪🇸🇬🇧🇪🇺
Charles Oliver Nutter @headius.bsky.social JRuby co-lead, Java champion, Ruby hero, JavaOne Rockstar, international traveler and speaker. Book me for your next event! I depend on your donations and sponsorships! https://github.com/sponsors/headius
Mark Reinhold @mreinhold.org Chief Architect, Java Platform Group, Oracle · Views are my own · https://mreinhold.org
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
Kevin Dubois @kevindubois.com 🥑 Dev Advocate @IBM | Cloud Native Developer | Java Champion | Author | Keynote Speaker | Open Source | Based in the Swiss Alps 🏔️🇨🇭
evanchooly @evanchooly.bsky.social Java Champion. Kotlin fanatic. Bit twiddler. New Yorker. Pronounces it jif. SSE at @Datadog. @evanchooly@mastodon.social
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
Tom Cools @tomcools.be DevRel @Timefold | Conference (Keynote) Speaker 🗣️ | #Java Champion | @BeJUG Organizer | Kind of a weird guy 😅
Nicolai Parlog @nipafx.dev Java enthusiast with a passion for learning and sharing. Developer Advocate at Oracle but views are my own.
George Adams @gdams.bsky.social Go Group Manager @Microsoft, Java Champion, Chairman @adoptium.
Thoughts are my own.
Bruno Borges @brunoborges.bsky.social Empowering developer communities.
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
joschi @joschi.work 🦣 Mastodon: https://hachyderm.io/@joschi
🐙 GitHub: https://github.com/joschi
Ana-Maria Mihalceanu @ammbra1508.bsky.social
Java Champion Alumni | Architect| Sr. Developer Advocate @Oracle 🇳🇱 | Speaker | Co-founder@BucharestSCC. Opinions are my own. 
Pratik Patel @prpatel.dev master builder of nachos
software . technology . not a bot
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
David Delabassée @delabassee.bsky.social Senior Director of Java Developer Relations - Oracle
Views are my own!
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.
Brian Vermeer @brianvermeer.nl Java Champion | JUG leader
NLJug & VirtualJug | Oracle ACE Pro | CS Master at Utrecht University | Java | Haskell | Security | Dutch Air Reserve | Views are my own
Sergei Egorov @bsideup.github.io Cloud builder. Java Champion. @testcontainers co-creator. Prev: CEO/co-founder at @AtomicJarInc (acqd by @docker), StaffEng at @Pivotal/@vmware, @zeroturnaround.
📍 Boulder, CO 🏔️
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.
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
Andres Almiray @andresalmiray.com I code for fun and help others in the process. Java Champion. Co-founder of Hackergarten & Hack.Commit.Push. Creator of JReleaser
🚀
Chandra Guntur @cguntur.bsky.social Hoopy Frood
Java Champion. NYJavaSIG & GardenStateJUG Leader
#Saganist #BeKind #UsualSuspects #TrollBlocker 🖖🏼😎 🇱🇷
अहं ब्रह्मास्मि
Motto: docendo discimus
Website: https://cguntur.me
Adam Bien @adambien.blog AWS Hero, JavaONE Rockstar, Consultant, Java Champion
about: https://about.adam-bien.com
linkedin: https://www.linkedin.com/in/adam-bien
trainer: http://airhacks.live and http://airhacks.io
podcaster: http://airhacks.fm
yt: http://youtube.com/@bienadam
Jonathan Vila 🥑☕️ - 🇪🇺🇪🇸🇵🇷 @vilojona.bsky.social Senior Staff Developer Advocate 🥑 @Sonar | Java Champion | Oracle ACE | IBM Contributor | Conference cofounder JBCNConf & DevBcn & AI4Devs | BarcelonaJUG organiser
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.
Corneil du Plessis @corneil.bsky.social He/Him.
Problem solver.
Scientific thinker.
Delivering code to production since 1985.
Ex-@spring.io Team
Speaker (only diverse panels)
Opinions are my own.
#KFSM, #NoCrypto, 🇺🇦
Kevin Wittek @wittek.dev Engineering Manager and Tech Lead at Docker, doing AI & Testcontainers, guitar & simracing, husband & dad
Anton Arhipov @antonarhipov.bsky.social Developer Advocate @ JetBrains
https://antonarhipov.com
#java #kotlin #programming
Henry Coles @pitest.bsky.social Fiction: Scottish Book Trust New Writer 2023. SCWBI Undiscovered Voices 2024. Repped by Lucy Juckes at @jennybrownagency.bsky.social
https://henrycoles.com
Tech: Made mutation testing popular - Java Champion
https://pitest.org https://www.arcmutate.com
Stefano Cordio @scordio.github.io Software Engineer @ EPAM Systems
Maintainer of @assertj.github.io
Edson Yanaga @yanaga.io Empowering developers worldwide as Staff Developer Relations Engineer, Wallet Lead, @Google. Java Champion and former 7x Microsoft MVP. Opinions are my own.
Marcus Hellberg @marcushellberg.dev Applied AI Researcher, Speaker, DevRel expert.
Java Champion.
VP of AI Research @vaadin.com
Sven Reimers @sreimers.bsky.social Java Champion,
JUG Leader JUG Bodensee, JTaccuino
Apache NetBeans PMC, OpenJFX author,
Systemengineer @ Airbus Defence and Space
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
Eddú Meléndez Gonzales @eddumelendez.bsky.social 🇵🇪 Java Chavo, Software Engineer and Open Source Contributor. Working on Testcontainers. Opinions are my own.
Nicolas Fränkel 🇪🇺🇺🇦🇬🇪 @frankel.ch 🧑💻 Developer and architect
🥑 Developer Advocate
✍️ Blogger @ https://blog.frankel.ch/
🎓 Eternal learner
📖 Book author at http://leanpub.com/integrationtest
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.
Loïc Mathieu @loicmathieu.fr Lead Developer @kestra.io, Java & JVM passionate, performance, OSS contributor (mainly Quarkus), Book Author (Quarkus edition ENI), GCP Google Dev Expert.
Like to learn stuff and share what I learned.
https://www.loicmathieu.fr
Todd Ginsberg @todd.ginsberg.com #Java and #Kotlin developer. @trijug.dev organizer. Conference speaker. Gatherers4j maintainer, Philatelist. Big fan of doughnuts and F1. Raleigh, NC He/Him 🇺🇸🇨🇦
Ray Tsang @saturnism.me Loves Java, Cloud, and Developer Productivity. Java Champion.
Mads Opheim @madsopheim.com Sosialist, feminist, Java, Kotlin, Jakarta EE, MicroProfile. Styremedlem i Raudt Oslo. Oracle ACE. IBM Champion. Rosenborg herrar og kvinner. He/him.
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
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.
Benjamin Muskalla @bmuskalla.dev ⛱️ currently https://poolside.ai/
🎤 Speaker https://bmuskalla.dev/talks/
☕ Java Champion
👾 Former @github.com Copilot, Gradle, Tasktop, EclipseSource
🧠 All opinions come from my training data
Ted M. Young (he/him) aka @JitterTed @ted.dev #Java coach/consultant/streamer. Maker of "JitterTed's TDD Game" https://tdd.cards
Live streaming my coding mistakes at https://JitterTed.Stream and https://JitterTed.TV
#Refactoring #JUnit #TDD #TestableArchitecture #DomainDrivenDesign #Ensembling #LGM
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
Patrick Baumgartner @patbaumgartner.com Working @42talents. Spring Trainer @VMwareTanzu. Co-Organizer @VoxxedZurich, Board member of @jugch, Software Crafters Zurich & SoCraTes Conf Switzerland
Michael Hunger @mesirii.de Developer Advocacy & Labs at Neo4j.
Happy dad of 3 girls ADHD GraphAddict JavaChampion
Code http://github.com/jexp
Words http://medium.com/@mesirii
Network http://de.linkedin.com/in/jexpde
Gerrit Meier @meistermeier.com Completely random internet person (https://meistermeier.com)
Father and husband
Owned by cat
Doing #Java things at #Neo4j.
Organizer of the Java User Group Ostfalen (https://jug-ostfalen.de)
jbáruch 🎩 @jbaru.ch DevRel Team tessl.io
Java Champion, Ex-CNCF Ambassador.
Co-author of #LiquidSoftware and #DevOps Tools for #Java Developers.
Sven Ruppert @svenruppert.com Java and Security by day, Bushcrafting by night