Alex Van Boxel @alexvanboxel.name If it doesn't have an API, it doesn't exist. So, do I exist? | 🇪🇺🇧🇪
Loves Open Source, contributes code when he can (ex. PMC Apache Airflow, PMC Apache Beam, now focus on OpenTelemetry). Steering member devoxx.be.
Dylan Beattie @dylanbeatt.ie coder • speaker • musician • MS MVP • creator of @codewithrockstar.com • founder of @linebreakers.band • organiser of @ldnug.org • fun stuff: dylanbeattie.net • work stuff: ursatile.com • he/him • 🥔
Spring @spring.io 
Emmz 💻🎸🎤🏳️⚧️ @rendle.dev rendle.dev - mother of daemons
Keeper of the Profane Keywords. Coder. C# and Zig for profit and fun. Really Good at talking. @linebreakers.band bassist. PubConf World Champion. Chaotic Good. she/they
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
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
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.
Vlad Mihalcea @vladmihalcea.bsky.social @Java Champion working on Hypersistence Optimizer, author of High-Performance Java Persistence.
Blogging at http://vladmihalcea.com
Vue @vuejs.org vuejs.org
Progressive JavaScript framework for building modern web interfaces. Created by @evanyou.me, maintained by https://vuejs.org/about/team.
JetBrains Platform @platform.jetbrains.com News & tips for devs building plugins for @JetBrains.com products.
Subscribe: https://jb.gg/mp-updates
Apache Maven @maven.apache.org 
antirez @antirez.bsky.social Reproducible bugs are candies 🍭🍬
I like programming too much for not liking automatic programming.
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
Philippe Charrière 💜 @k33gorg.bsky.social 💜 #wasm 💙 #brompton
🐳 Principal Solutions Architect @ Docker
🎒 Backpack influencer
⭐️ Golo Champion
I learned to speak emojis at 🐙 GitHub. A legend says I was the first person at 🦊 GitLab to name CI/CD jobs and stages with emojis.
https://k33g.org/
René Wilby @rene-wilby.de Freelance senior software engineer, family father, music and coffee lover, European 🇪🇺, he/him. https://rene-wilby.de/en
Lutske van der Meer @lutskedev.bsky.social Software Engineer @Craftsmen | Speaker | Community builder
Full-stack dev with a focus on Java, Angular & AI.
Passionate about Machine Learning, cats 🐾, and sharing knowledge.
Advocating for diversity as a woman in tech.
ApeldoornJUG, JUGNoord,Devoxx4Kids
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! 🛠️
jOOQ @jooq.org Follow us for announcements related to https://jooq.org
Belgian Java User Group @bejug.bsky.social Java now, Java always :)
dimitris Doutsiopoulos @ddoutsiopoulos.bsky.social 🎬 Photographer & Creative Director
𝘍𝘪𝘯𝘥𝘪𝘯𝘨 𝘸𝘢𝘺𝘴 𝘵𝘰 𝘤𝘳𝘦𝘢𝘵𝘦 𝘢𝘵𝘮𝘰𝘴𝘱𝘩𝘦𝘳𝘪𝘤 𝘴𝘤𝘦𝘯𝘦𝘴
📷🎥 Events | Conferences | Commercials
🌍International Clientele
📸✈️ Travel & Explore
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
@javachampions.bsky.social @javachampions.bsky.social 
Hadi Hariri @hadihariri.com SVP of Operations @ JetBrains.
NLJUG - Dutch Java User Group @nljug.bsky.social NLJUG, the Dutch Java User Group founded in 2003, unites software developers, architects, ICT managers, student, and partners interested in Java tech.
www.nljug.org
Amsterdam Java User Group @amsterdamjug.bsky.social 
Dave Farley @davefarley77.bsky.social Software Engineer, Consultant & Author.
The Modern Software Engineering Channel: https://www.youtube.com/@ModernSoftwareEngineeringYT
Support Me On Patreon: https://bit.ly/ContinuousDeliveryPatreon
RotterdamJUG @rotterdamjug.bsky.social Follow this account to get updates on meetings by the RotterdamJUG (Java User Group).
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
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/
Rodrigo Graciano @graciano.bsky.social Java Champion, NYJavaSIG leader, Software Engineer
Mala Gupta @malagupta.bsky.social JavaChampion. Speaker. Books: http://goo.gl/QD6eeh. Co-lead
Delhi JUG. DevNexus Rockstar!
Ken Fogel @omniprof.bsky.social Java Champion, Retired CS teacher, Author of Transitioning to Java, JChampions Conference organizer, Humanist
Sébastien Blanc @sebi2706.bsky.social My job is to make developers happy.
Technical Director @sciam.fr
Java champion, OSS, husband and father.
5 🐱
Venkat Subramaniam @venkats.bsky.social Programmer, author, speaker, founder Agile Developer, Inc., co-founder of @dev2next Conference, professor @CSatUH
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
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
Soham Dasgupta @iamsoham.bsky.social Technology enthusiast | GenAI & Java Geek | Cloud Native | Blogger | Speaker | Microsoft | Azure Cloud Architect | Opinions are my own
(Vibe-d) Portfolio: https://sohamdasgupta.com/
Alfonso² Peterssen @mukel.bsky.social github.com/mukel
@java-champions.bsky.social @java-champions.bsky.social 
LangChain4j @langchain4j.dev Effortlessly build LLM-powered applications in Java, including chatbots, agents, structured data extraction and RAG: https://github.com/langchain4j/langchain4j
JetBrains @jetbrains.com On a mission to make software development a more productive and enjoyable experience. Make it happen. With Code.
Simon Brown @simonbrown.je Creator of the C4 model and Structurizr | Author | Speaker | Software architecture and diagramming workshops worldwide
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
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
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.
Martin Lippert @martinlippert.bsky.social Spring Tools Lead @ Broadcom, https://github.com/martinlippert, Co-Founder of the Green Software Hamburg Meetup Series, Co-Founder of it-agile GmbH
Phil Webb 🍃 @philwebb.dev Working in OSS on Spring Boot.
https://linktr.ee/phillipwebb
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.
Stéphane Nicoll @snicoll.be Proud husband. Software engineer. Working on the Spring team since 2014. Spring Framework, Spring Boot, https://start.spring.io. He/Him. snicoll.be
Daniel Garnier-Moiroux @garnier.wf Fiddler of things. Makes computers go beep-boop 🤖 Contributor to Spring Security. Spring Meetup Paris. 🍃
Certified Java Champignon 🍄
Antonio Alvino @tonylook.github.io Java & Spring enthusiast, tech professional with a love for gardening. Passionate about connecting with others in the industry and exchanging ideas.
Signal: antonioalvino.42
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
Helen Scott @handle.invalid Author, public speaker, official wordsmith, certified coach & kettlebell wrangler. Knows just about enough to be dangerous.
Maarten Balliauw @maartenballiauw.be Head of Customer Success at @DuendeSoftware.com. Founded https://speaker.travel. Frequent speaker. Opinions are my own.
Sarah Drasner @sarahedo.bsky.social Opinions my own.
https://sarah.dev
Sr Director of Engineering @ Google: Core Web, Android, iOS Infrastructure
Formerly Vue Core •
Frontend Masters teacher •
O'Reilly Author •
https://www.engmanagement.dev/
https://github.com/sdras
Tim Ottinger @agile-otter.bsky.social Software, guitars, books and articles,
Industrial Logic's own Agile Otter
Simon Willison @simon.fedi.simonwillison.net.ap.brid.gy Open source developer building tools to help journalists, archivists, librarians and others analyze, explore and publish their data. https://datasette.io […]
[bridged from https://fedi.simonwillison.net/@simon on the fediverse by https://fed.brid.gy/ ]
Jez Humble @jezhumble.net Works on my machine! Author of some books on software, SRE, portfolio @ continuousdelivery.com. Previously lecturer @ UC Berkeley, 18F, ThoughtWorks. All tweets fictional. He / him. Ⓥ
Johan Hutting @johanhutting.bsky.social Senior software engineer / Developer advocate @ ING, co-organiser JUG Noord and ING backend summit.
Opinions expressed are my own.
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
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.
Jeroen Reijn @jeroenreijn.com ☁️ Cloud Solutions Architect @ Luminis.
🚀 AWS Community Builder #serverless
📝 Blogs at https://www.jeroenreijn.com
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
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
Wim Deblauwe @wimdeblauwe.com Software Engineer. Writes mostly Java & Spring.
Author of "Taming Thymeleaf" and "Modern frontends with htmx".
Blogs at http://wimdeblauwe.com.
YouTube: https://youtube.com/@WimDeblauwe
Pratik Patel @prpatel.dev master builder of nachos
software . technology . not a bot
Daniel Terhorst-North @tastapod.com Runs Goalwards: 'Your business, optimized.' Started BDD, caused Cucumber. Optimizes orgs, teams, code. Coach, mentor, geek, mischief-maker. Christian, infrequent blogger. WWGH
https://goalwards.co
Anton Arhipov @antonarhipov.bsky.social Developer Advocate @ JetBrains
https://antonarhipov.com
#java #kotlin #programming
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 🏔️
George Adams @gdams.bsky.social Go Group Manager @Microsoft, Java Champion, Chairman @adoptium.
Thoughts are my own.
Lance Walton 🇬🇧 🇺🇦 @lancewalton.bsky.social Programmer (mostly Scala), Pianist, Composer of Baroque Musick
Ian Cooper @icooper.bsky.social Principal Engineer, speaker, gamer, geek. Tattooed, pierced, and bearded. The 'guv' on https://github.com/BrighterCommand Line Editor at Chaosium for QuestWorlds: https://github.com/ChaosiumInc/QuestWorlds
#Tech - tech posts
#TTRPG - rpg posts
Rob Bowley @robbowley.net Product & Tech Leadership Advisor, Consultant, Coach & Mentor
Tech, Software Development, Science, History, Economics, Politics
https://blog.robbowley.net
https://www.linkedin.com/in/robertbowley
https://pragmaticpartners.co.uk
Manchester, UK
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.
Lisa Crispin @lisacrispin.bsky.social Donkey mom, testing consultant/trainer, Vermont. See https://LisaCrispin.com for more. 
João Esperancinha @jesperancinha.bsky.social Linktr.ee:
https://linktr.ee/jesperancinha
Software Engineer content creator:
DailyMotion:
https://www.dailymotion.com/jofisaes
YouTube
https://www.youtube.com/@jesprotech
Homepage articles
https://joaofilipesabinoesperancinha.nl/#/blogs
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
Josef Petrák @jspetrak.name 🇨🇿, Principal Partner at @bileto.com, Partner at @dinarica.cz, e-Resident of Estonia 🇪🇪, spotter, scale modeller, snooker player, PC gamer, military enthusiast
Jasmine Damani @webdevour.bsky.social Software nerd, cat enthusiast, pixel art noob, gamedev, playing with LLMs
G Wilde @stackwild.bsky.social Software, AI, Infosec, Gamedev
Nick Tune @nick-tune.me Author of Architecture Modernization
Curator of legacy-modernization.io
Check out my DDD list to find lots of DDD people on here
- nick-tune.me
- @nick_tune@hachyderm.io
- https://www.linkedin.com/in/nick-tune/
#legacyModernization #ddDesign
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
Bruno Borges @brunoborges.bsky.social Empowering developer communities.
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...
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 🏔️🇨🇭
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 ⚡️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
Mark Reinhold @mreinhold.org Chief Architect, Java Platform Group, Oracle · Views are my own · https://mreinhold.org
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
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
Nicolas Fränkel 🇪🇺🇺🇦🇬🇪 @frankel.ch 🧑💻 Developer and architect
🥑 Developer Advocate
✍️ Blogger @ https://blog.frankel.ch/
🎓 Eternal learner
📖 Book author at http://leanpub.com/integrationtest
Johan Janssen @johanjanssen.bsky.social Architect at ASML. Conference speaker, JavaOne Rock Star. Chocolateynuget Java packages. InfoQ Java news author.
Roy van Rijn @royvanrijn.com Director of OpenValue Rotterdam, is a @Java_Champions, founder of Rotterdam JUG, public speaking: Java, AI, math, algorithms
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
Devoxx Belgium @devoxx.com Devoxx Belgium 2026 : 5 - 9 October in Antwerp
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.
Kevlin Henney @kevlin.bsky.social consultant · father · he/him · human (very) · husband · itinerant · programmer · keynote speaker · technologist · trainer · writer
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