Manning Publications @manning.com We publish tech books and other things too.
Patrik Duditš @pdudits.bsky.social Java Developer, Musician and sometimes also photographer.
Software Engineer at Payara. All opinions are of my own.
Kevlin Henney @kevlin.bsky.social consultant · father · he/him · human (very) · husband · itinerant · programmer · keynote speaker · technologist · trainer · writer
Roy van Rijn @royvanrijn.com Director of OpenValue Rotterdam, is a @Java_Champions, founder of Rotterdam JUG, public speaking: Java, AI, math, algorithms
Java Operator SDK @javaoperatorsdk.bsky.social Java SDK for building Kubernetes Operators.
Homepage: https://javaoperatorsdk.io/
GitHub: https://github.com/operator-framework/java-operator-sdk
Alexander Chatzizacharias @glycin.bsky.social 
@auritamh.bsky.social @auritamh.bsky.social 
@dbosanac.bsky.social @dbosanac.bsky.social 
@love2integrate.com @love2integrate.com 
Alexey Loubyansky @aloubyansky.bsky.social Quarkus team @ Red Hat
Johannes Bechberger @mostlynerdless.de OpenJDK hacker at SapMachine, works on hello-ebpf for fun
Peter Palaga @ppalaga.bsky.social Software engineer working on Quarkus CXF and Camel Quarkus. Opinions are my own, not necessarily of IBM.
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
Jakub Čecháček @jakub.cechacek.net Software engineer · @debezium.bsky.social Maintainer · Former Red Hat · Co-Organizer of @CZJUG.bsky.social
Andy Damevin @ia3andy.bsky.social Having a lot of fun crafting cool Quarkus extensions.
Lead of the @QuarkusIO Web effort.
Principal Sofware Engineer @RedHat
We only have one earth 🌍❤
Martin Kouba @martunek.bsky.social 
Aki 💛💙 @logico-jp.dev 💖JVM (especially GraalVM), conference speaker, javelin thrower, JUDO black belt holder, and JJUG (Japan Java Users Group) board member. Also, a Cloud Solution Architect at Microsoft. All views are mine.
Blog: logico-jp.dev
X (a.k.a. Twitter) @logico_jp
Marc Nuri @marcnuri.com I ❤️ FOSS
Working on @jkubeio & @fabric8io
blog.marcnuri.com
github.com/manusa
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.
Andrew Haley @aph13.bsky.social Free the software! Java, HotSpot, OpenJDK.
I post in a personal capacity, not on behalf of my employer or any other organization.
🏳️🌈🏳️⚧️
@farahjuma.bsky.social @farahjuma.bsky.social Engineering Lead at The Browser Company
Matthias Haeussler @maeddes.bsky.social trying to help people moving forward with cloud-native and Java-related technologies
@java-champions.bsky.social @java-champions.bsky.social 
Thomas Qvarnström @millstream.bsky.social Product Manager at Red Hat. Working with the Quarkus Team. Posts are my own personal opinion.
Guillaume Smet @gsmet.bsky.social Happy camper at Red Hat. Improving Quarkus one commit at a time.
Devoxx UK @devoxx.uk A Developer Community Conference
🥼 Piotr Przybył @piotrprz.bsky.social Software Gardener. Java Champion. Docker Captain. Edutainer. Speaker. Trainer. Художник. Honorary Bavarian. 👨💻👨🌾
#Java #Testcontainers #Linux #Programming
softwaregarden.dev
Views are mine, impressions are yours.
@natalevinto.bsky.social @natalevinto.bsky.social 
Shaaf Syed @shaaf.dev Architect, developer, 🐧 ☕️ , ❤️, open source enthusiast, technical editor @InfoQ, 🏏 coach. @shaaf@fosstodon.org
LangChain4j @langchain4j.dev Effortlessly build LLM-powered applications in Java, including chatbots, agents, structured data extraction and RAG: https://github.com/langchain4j/langchain4j
Bruno Baptista @brunobat.bsky.social SE & Red Hat Principal Engineer at IBM. Observability with @micrometer.io and @OpenTelemetry.io on @quarkus.io . Member of MicroProfileIO, Coimbrajug @jnationconf.bsky.social. Opinions are my own. 🇵🇹🇮🇪🇪🇺🇺🇦
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
Emmanuel Bernard @emmanuelbernard.com Open Source software engineer: Hibernate team, Quarkus co-founder and more. Cloud Services @ Red Hat.
Les Cast Codeurs founder. Java Champion...
Sun S. D. Tan @sunix.org Tech lead at @Sciam.fr ☕
OpenSource Minded
@parisjug.org crew ☕💁
Kitchen brewer 🍺
ex leader @parisjug.org
ex @redhat
Quarkus @quarkus.io Supersonic Subatomic Java
Hans-Peter Grahsl @hpgrahsl.bsky.social Builder Relations & Enablement @ Kestra.io, Ex-Decodable, Ex-Red Hat, formerly Engineer/Trainer/Consultant - proud husband, 🦁 hearted dad of 2 and ☕️ aficionado.
Tim te Beek @timtebeek.github.io Staff software engineer at Moderne, where I'm the community lead for OpenRewrite.
Loïc Magnette @lomagnette.bsky.social Java developer | AI agents with LangChain4j & Quarkus | BeJUG co-organizer | Conference speaker | Wildlife lover
Christos Kotselidis @kotselidis.net Associate Professor at The University of Manchester
Chief Engineer Nimble Innovation
Project Lead #TornadoVM
#Java #AI #GPU
Graeme @graemerocher.bsky.social Senior Architect at Oracle Labs
Creator of Grails and Micronaut (https://micronaut.io)
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
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.
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
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
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
Anton Arhipov @antonarhipov.bsky.social Developer Advocate @ JetBrains
https://antonarhipov.com
#java #kotlin #programming
John Doyle @jdoyleoss.bsky.social A guy who skis, once fell out of a tree collecting firewood, ancient 11B, manages products at Red Hat/IBM. All Skeets my own opinion, caveat emptor. Always clean on OPSEC.
Matheus Cruz @matheuscruz.dev 
Sanne Grinovero @sannegrinovero.bsky.social Passionate about reliability, OSS, and efficiency. Java Champion, tech lead in the Quarkus and Hibernate communities, JVM/Linux explorer. Working at IBM, leading various R&D initiatives.
Jeremy Davis @argntprgrmr.bsky.social Solving problems, slinging open source
Commonhaus Foundation @commonhaus.org The Commonhaus Foundation is dedicated to supporting the growth and stability of open-source projects through collaboration and innovation. https://commonhaus.org
Erin Schnabel @ebullient.dev Java Champion. Distinguished Engineer and maker of things @ Red Hat. Former @IBM. Chairperson of the Commonhaus Foundation.
Nicolas Fränkel 🇪🇺🇺🇦🇬🇪 @frankel.ch 🧑💻 Developer and architect
🥑 Developer Advocate
✍️ Blogger @ https://blog.frankel.ch/
🎓 Eternal learner
📖 Book author at http://leanpub.com/integrationtest
David Král @davidkral.bsky.social Java Developer at Oracle, Member of the Helidon and several Jakarta projects
Antoine Sabot-Durand @antoine.sabot-durand.net Java Champion, boardgames and rpg addict. I work at @SCIAM.fr. Former Jakarta EE CDI spec lead. I’m also the co creator of the @vidocq.dev MicroProfile implementation.
TechCrunch @techcrunch.com Technology news and analysis with a focus on founders and startup teams.
Got a tip? http://techcrunch.com/tips
Mark Reinhold @mreinhold.org Chief Architect, Java Platform Group, Oracle · Views are my own · https://mreinhold.org
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.
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
Tom Cools @tomcools.be DevRel @Timefold | Conference (Keynote) Speaker 🗣️ | #Java Champion | @BeJUG Organizer | Kind of a weird guy 😅
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.
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
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
Marit van Dijk @maritvandijk.bsky.social 💻 Software Developer | ☕🥑 Java Developer Advocate @ JetBrains | 🏆 Java Champion | 🎤 International Keynote Speaker | 👩💻 Pronouns: She/her
https://maritvandijk.com/
Ana-Maria Mihalceanu @ammbra1508.bsky.social
Java Champion Alumni | Architect| Sr. Developer Advocate @Oracle 🇳🇱 | Speaker | Co-founder@BucharestSCC. Opinions are my own. 
Ivar Grimstad @handle.invalid Java Champion | Jakarta EE Developer Advocate | The guy with the Duke tattoo
https://jakarta.ee/community/developer-advocate/
GraalVM @graalvm.org GraalVM compiles your applications ahead of time into native executables that start instantly, scale fast, and use fewer resources 🚀
Sébastien Blanc @sebi2706.bsky.social My job is to make developers happy.
Technical Director @sciam.fr
Java champion, OSS, husband and father.
5 🐱
@nmcl.bsky.social @nmcl.bsky.social 
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.
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.
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
Satan @thedevil.bsky.social It's really cute that you're gonna "defeat me with the power of friendship and all," but again, I am the devil from the Bible
fascists not welcome
Better than the one on twitter.
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
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Otavio R. Piske @orpiske.net SE IBM (ex-Red Hat) working on Apache Camel. Sharing my own thoughts in 🇺🇸 and 🇧🇷 about technology, programming and life.
https://github.com/orpiske/
Ingo @lasombra-br.bsky.social Engineering Manager @ IBM. Heavy Metal lover. Amateur photographer. MMA fan. Eternal learner. Opinions my own.
Nicolai Parlog @nipafx.dev Java enthusiast with a passion for learning and sharing. Developer Advocate at Oracle but views are my own.
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
Trisha Gee @trishagee.bsky.social Java Champion, Developer Productivity Advocate, Author
https://trishagee.com
https://linktr.ee/trisha_gee
🇪🇸🇬🇧🇪🇺
Bruno Borges @brunoborges.bsky.social Empowering developer communities.
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 · 🚴
Sharat (Shar) Chander - 🟦🌊 @sharatchander.bsky.social 🇺🇸🇨🇦 #DemocracyMatters | #DevRel |Previously at Oracle, Sun Microsystems, Verizon, & Bell Atlantic | University of Maryland (Undergrad) and Loyola University, Baltimore (MBA) | 70s rock, R&B, 80s alternative and Rap lover | Views mine
Kelsey Hightower @kelseyhightower.com Minimalist
Josh Long 🍃 @starbuxman.joshlong.com Spring Developer Advocate
Java Champion
Kotlin Google Dev Expert
https://YouTube.com/@coffeesoftware
https://github.com/joshlong
Jonathan Vila 🥑☕️ - 🇪🇺🇪🇸🇵🇷 @vilojona.bsky.social Senior Staff Developer Advocate 🥑 @Sonar | Java Champion | Oracle ACE | IBM Contributor | Conference cofounder JBCNConf & DevBcn & AI4Devs | BarcelonaJUG organiser
Markus Eisele @myfear.com Developer, turned to consulting, developer relations, sales, and landed in marketing.
Writing books for #Oreilly.
Into Java, Kubernetes and such.
Legal called to tell you that I'm not officially speaking for IBM.
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
Devoxx Belgium @devoxx.com Devoxx Belgium 2026 : 5 - 9 October in Antwerp
Zineb Bendhiba @zinebbendhiba.com Principal Software Engineer | @ApacheCamel 🐪 PMC member | Camel Quarkus · Java · AI · Open Source | Building technology that helps people build useful things | Speaker | Devoxx France & Morocco CFP
Opinions are my own
https://zinebbendhiba.com/bio/
Julien Ponge @julien.ponge.org Software enthusiast | Scientist | #JavaChampions | Personal account, not the views of my employers | I will not discuss much politics here
https://julien.ponge.org/
Clement Escoffier @cescoffier.bsky.social Quarkus project co-lead. @Redhat Distinguished Engineer @IBM. Java Champion. #quarkus #vertx #smallrye. Rabbit shepherd. Opinions are mine, not of my employer.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app
evanchooly @evanchooly.bsky.social Java Champion. Kotlin fanatic. Bit twiddler. New Yorker. Pronounces it jif. SSE at @Datadog. @evanchooly@mastodon.social
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 🏔️🇨🇭
Max Rydahl Andersen @maxandersen.xam.dk Quarkus co-lead - Distinguished Engineer, Red Hat. Creator of https://jbang.dev
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
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.