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.
Anthropic @anthropic.com We're an Al safety and research company that builds reliable, interpretable, and steerable Al systems. Talk to our Al assistant Claude at Claude.ai.
Cowtown Coder @cowtowncoder.bsky.social Coder, OSS Author (Jackson, Woodstox, java-uuid-generator etc); father; hiker; immigrant; worker. Born in Finland, lives nowadays in the magnificent US Pacific Northwest.
Tomáš Hron 👨🦯🇺🇦 @hronosvod.bsky.social Věčně prokrastinující slepý teenager, zajímající se o moderní technologie, kvalitní hudbu a taky o politiku a současné dění, abych vypadal aspoň trochu chytře.
Imran Ahmed @imranahmed.bsky.social CEO & Founder of Center for Countering Digital Hate
Thierry Breton @thierrybreton.bsky.social Entrepreneur. Teacher. Policy Maker 🇫🇷🇪🇺
François Martin @fmartin.ch 
Dan Allen @mojavelinux.com OSS Developer, Community Builder, Asciidoctor, AsciiDoc Language, & Antora Co-Lead, Java Champion, Author, Cornell Alum, Vegan, Lacrosse Friend. Rivian referral code: DANIEL1783828
Gavin Newsom @gavinnewsom.bsky.social Husband and father. 40th Governor of California. Former Lt. Governor of California. Former San Francisco Mayor. Personal account.
Jozef Chocholáček @jchochol.bsky.social (Czecho)Slovak guy living in Switzerland, software engineer at Genedata, Goju-ryu karate student (and teacher: https://koshinkan.ch).
Ståle Pedersen @stalep.bsky.social App Services Performance Team Manager @ RedHat, prev engineer
Heinz Kabutz 🏝 🇬🇷 🇿🇦 ☕️ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
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
BaselOne @baselone.bsky.social The One Conference in Basel!!
BaselOne is the software developer conference organized by Karakun AG, Canton of Basel-Stadt, Erni Schweiz AG, and Baloise.
Petr Němec @semsuchar.bsky.social Jakékoliv nekorektní posty psali hackeři, kteří napadli můj účet. Mé tweety jsou literární umělecké dílo. http://www.akpetrnemec.cz- F Fred Bricon @fbricon.bsky.social Code/Chaos Monkey at Red Hat, so-called "elitist plugin author", making hipsters use Eclipse in VS Code without their knowledge.
@oskopek.bsky.social @oskopek.bsky.social 
ehsavoie @ehsavoie.bsky.social 
@noobfunctor.bsky.social @noobfunctor.bsky.social 
Mark Hazell @mrhazell.bsky.social Devoxx UK organiser
Voxxed co-founder
David @leitner.io Coding Architect at squer.io. Strong focus on scaling, reactive & cloud-native systems. Helped shaping #microfrontends. Doing <Code/Crafts> Vienna 🎸, KCD Austria ☁️, and the-engineering.club 🎙️
Audun Fauchald Strand @audunstrand.bsky.social Programmer. Mostly platforms. Also Tottenham
@benetelli.bsky.social @benetelli.bsky.social 
@kabir-khan.bsky.social @kabir-khan.bsky.social 
@johnnydoitall.bsky.social @johnnydoitall.bsky.social 
Alexey Loubyansky @aloubyansky.bsky.social Quarkus team @ Red Hat
Josef Pulkert @jpulkert.bsky.social člověk, manžel, táta dvou holčiček, gynekolog, hodinkový nadšenec, audiofil, volnomyšlenkář, snílek. Pravda a láska. Mé příspěvky vyjadřují jen mé osobní názory.
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/
Nataliia Dziubenko @nataliiadziubenko.com 🇺🇦🇳🇱 Making cool stuff at Azul, passionate about everything Java & JVM https://nataliiadziubenko.com/
Slawomir Jaranowski @slawomir.jaranowski.pl Java developer, #OpenSource and CI/CD fun
Apache Maven PMC Member
Mojo Haus Member
https://github.com/slawekjaranowski
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.
🏳️🌈🏳️⚧️
Oliver Weiler @helpermethod.bsky.social 
Jakub Scholz @scholzj.bsky.social AVFC, Messaging, Strimzi, Kafka, AMQP, Kubernetes, AnCap Libertarian ... all tweets are my own ...
Thomas Wenger @thowech.bsky.social Software Engineer at Orange Business Digital Switzerland; Co-Organizer and board member of http://JUG.CH
Petr Koubský @petrkou.bsky.social Science journalist & writer, https://denikn.cz, Prague, Czechia
Eoin Shanaghy @eoin.sh 👨💻#AWS building, migration and training with https://fourTheorem.com
📽️ Co-hosting https://awsbites.com
Ján Simkanič @simindr.bsky.social Publisher at Deník N (@enkocz). Paintings at obrazy.simkanic.cz.
Jakub Zelenka @jakubzelenka.journalists.blue Šéfredaktor Page Not Found - https://pagenotfound.cz/
Ionut Balosin @ionutbalosin.bsky.social 👨💻 Principal IT Architect • 🎓 Technical Trainer • 🏆 Java Champion • ♠️ Oracle ACE Associate • 🔑 Security Champion • 🎤 Speaker • ✍️ Blogger • 🌍 www.ionutbalosin.com
Bilgin Ibryam @bibryam.bsky.social 📌 Architect, turned product manager
🦆 Co-author of Kubernetes Patterns
🎩 Product manager at Diagrid, ex Red Hat
🤖 AI newsletter for devs 👉 https://GenerativeProgrammer.com
Filip Struhárik @filip-struharik.bsky.social Novinár v @dennikn.bsky.social a záhradkár
Voxxed Days Zürich @voxxedzurich.bsky.social Community Developer Conference in Zurich, Switzerland, taking place on 25 March 2025.
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 · 🚴
Martin Stefanko @xstefank.bsky.social Principal SW engineer at RedHat, BrnoJUG leader, MicroProfileIO, QuarkusIO, smallrye_io, WildflyAS, JBoss, author of Quarkus in Action (http://mng.bz/7vl7)
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.
Devoxx Belgium @devoxx.com Devoxx Belgium 2026 : 5 - 9 October in Antwerp
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
Markus Winand @winand.at SQL Renaissance Ambassador. Author, Trainer, Coach. PhD in Common Sense. Creator of http://use-the-index-luke.com and http://modern-sql.com.
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
Matthias Kaiser @matthiaskaiser.bsky.social Vulnerability Researcher. 0xACED. Ex-Apple. Posts are my own.
Stephen Colebourne @jodastephen.bsky.social Java Champion. Joda-Time. Joda-Beans. Joda-Money. JSR-310. ThreeTen-Extra. Blogger. Conference speaker. https://blog.joda.org I do not represent my employer.
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
Max Schrems @maxschrems.bsky.social (Luckily not only) Law, Privacy and Politics. #ScheißDaNix 🇦🇹🇪🇺🏳️🌈🇺🇳
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
Mark Reinhold @mreinhold.org Chief Architect, Java Platform Group, Oracle · Views are my own · https://mreinhold.org
Jakub Kalenský @kalenskyj.bsky.social Countering disinformation. Currently Hybrid CoE in Helsinki; previously Atlantic Council & EUvsDisinfo. Before that a journalist in Czechia
Tomas Forro @tomasforro.bsky.social Writer & Reporter
Fero_joke @ferojoke.bsky.social 
Jano Suchal @jsuchal.bsky.social Programátor, otec troch detí a zahraničný agent v Slovensko.Digital
Axel Fontaine @axelfontaine.bsky.social Creator sprinters.sh, Flyway (sold to Redgate), CloudCaptain.
Java Champion, JavaOne RockStar.
Rafael Winterhalter @rafaelcodes.bsky.social software consultant who likes static typing, coding at http://github.com/raphw 🇧🇻🇩🇪🇪🇺
Anders Åslund @andersaslund.bsky.social Economist & author, specializing in the economics of Eastern Europe, especially Russia & Ukraine.
Josef Slerka @josefslerka.bsky.social 
Anne Applebaum @anneapplebaum.wsocial.eu staff writer @theatlantic.com and senior fellow @snfagora.bsky.social. author of GULAG, IRON CURTAIN, RED FAMINE, TWILIGHT OF DEMOCRACY and AUTOCRACY INC
https://linktr.ee/anneapplebaum
Aleksey Shipilëv @shipilev.bsky.social In love-hate relationship with machines. Currently: OpenJDK, AWS. "Trust me, it's really me" backlink: https://shipilev.net/#social
Richard Fontana @richardfontana.bsky.social Follow me at https://bsky.app/profile/richardfontana.mastodon.social.ap.brid.gy . Photo by Federico Leva https://mamot.fr/@nemobis | CC-BY-SA-4.0
Patrick Zandl @zandl.bsky.social Jsem kdo jsem. Spisovatel, publicista. Zastupitel Brandýsa - Boleslavi. Blog mám na https://www.marigold.cz a newsletter o technologiích na https://zandl.substack.com
Denník N @dennikn.bsky.social 🔎 Prehľad aktuálneho diania na Slovensku i vo svete
Juraci Paixão Kröhling @jpkroehling.bsky.social Founder @ OllyGarden, OpenTelemetry maintainer, CNCF Ambassador.
🇧🇷 Também escrevo em português.
James Strachan @jstrachan.bsky.social Working on future Apple technology in AI/ML.
Previously created Apache Groovy & Apache Camel. Co-created Apache ActiveMQ & Jenkins X
@nmcl.bsky.social @nmcl.bsky.social 
@blurec.bsky.social @blurec.bsky.social Former jazz guitarist, indie gamer, pixel appreciator, grumpy critical thinker, Blender fan and overall nerd working as a JS/TS developer.
Martin Malina @mmalina.bsky.social 
@silsfan.bsky.social @silsfan.bsky.social 
@auritamh.bsky.social @auritamh.bsky.social 
Simone Bordet @simonebordet.bsky.social Jetty/CometD Lead. Java and JVM. Web/Network Protocols (HTTP/1/2/3, WebSocket, QUIC). Some CrossFit.
Ivo Bek @ibek.bsky.social 
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
Antonio Goncalves @agoncal.bsky.social Principal Software Engineer @Microsoft @Azure @JavaAtMicrosoft @devoxxfr @parisjug @Java_Champions @pluralsight #BookAuthor #Jazz #Tango Us/We
Devoxx4Kids @devoxx4kids.bsky.social Inspire children to program, robotics and engineering. WorldWide
Jamie Goodyear @icbts.bsky.social ASF Member, Author, Homelab enthusiast
@lizeraes.bsky.social @lizeraes.bsky.social 
Sébastien Blanc @sebi2706.bsky.social My job is to make developers happy.
Technical Director @sciam.fr
Java champion, OSS, husband and father.
5 🐱
Luca Burgazzoli @lburgazzoli.bsky.social 
Marco Vermeulen @marc0der.bsky.social Open-source advocate and FP JVM developer. Bass player, Linux enthusiast, and wannabe gamer.
Creator of SDKMAN! https://sdkman.io
Co-author of Manning's FP in Kotlin: https://bit.ly/fpinkotlin
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! 🛠️
Stuart Marks @smarks.bsky.social Java/JDK/OpenJDK developer, Oracle Corporation. The views expressed here are my own and do not necessarily reflect the views of Oracle. Mostly on @stuartmarks@mastodon.social ; formerly @stuartmarks on Twitter.
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 🌍❤
Lukas Eder @lukaseder.bsky.social Java Champion, creator of jOOQ, the best way to write SQL in Java.
Will mostly post about Java, SQL, jOOQ, programming humour, and write at https://blog.jooq.org
Frederieke Scheper 🇳🇱❤️🇺🇦 @fbascheper.bsky.social Java Architect and CodeSmith (NL)
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
Martin Kouba @martunek.bsky.social 
Zomri @zomriofficial.bsky.social Mediálna/spravodajská spoločnosť
https://www.zomri.online/
Mark Struberg @struberg.bsky.social ASF Member http://s.apache.org/strub , Java Champion, JCP and Jakarta EG Member, MicroProfiler, 10k OSS commits, Bezirksrat @GrueneFavoriten, struberg@mastodon.green
Olivier Lamy @olamy.bsky.social Speaking English w/ strong French accent #OpenSource #Apache #jetty #jenkins #ultrarunning. Living #downunder @brisbanecityqld. Father of 4 husband of 1🇦🇺🇫🇷
Robert Scholte @rfscholte.bsky.social Founder/owner Sourcegrounds, Java Champion, former Maven chairman, international speaker, bookreviewer
Brian Demers @bdemers.io Father, Geek 🤓, Beekeeper 🐝, Java Champion ♨️, and Developer Advocate 🥑 at Gradle
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.
Java User Group Switzerland @jugch.bsky.social Java User Group Switzerland aims at promoting the application of Java technology in Switzerland. We run events in Basel, Berne, Lucerne, St. Gallen, Zurich, and online.