Jonathan Putney @putney.io VP of Technology @ Noverant LMS
Java / Python / AWS / Kubernetes
github: https://github.com/jcputney
website: https://putney.io- M Rainer @matschmann.bsky.social Softwarecrafter
Neciu Dan @neciudan.dev Staff Software Engineer / Tech Co-Founder👨💻 / ReactJS Barcelona Organizer / Host of Señors at Scale podcast
Ko Turk @handle.invalid 🦊 Voxxed Amsterdam conference organiser --> amsterdam.voxxeddays.com
👥 JUGLeader @CodeLabJUG
🧑💻 Working @CodeLab
🎤 Speaker, talks about #Green #Java #Kotlin
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.
Human Coders @humancoders.com Les formations recommandées par les développeur·se·s pour les développeur·se·s
https://www.humancoders.com/
Discord: https://www.humancoders.com/pages/discord
Podcast: https://www.humancoders.com/podcast
Human Talks: https://humantalks.com/
sbanas.bsky.social @sbanas.bsky.social Senior Java Developer | Author of The Art of Code | Speaker
Frank Casanova @frank-casanova.bsky.social I'm just a Software Engineer.
I like MMORPG games, gym, run ultra fast make me happy for some reason I dunno why and.. My little pretty cat called Poppy.
https://frank-casanova.vercel.app/en
Christian @cschabetsberger.bsky.social Computers. Freelancer. C# .NET/Linux/DevOps. Organizer @dotnetstammtisch.at. Cat dad. Baby elephant gifs. TV/movie junkie. May contain traces of sarcasm.
Andrey Belyaev @belyaev-andrey.bsky.social Product Manager for IntelliJ IDEA Ultimate
CERN Java User Group @cernjug.bsky.social https://cern.ch/jug
Daniel van Ross @dvanross.bsky.social 
René Wilby @rene-wilby.de Freelance senior software engineer, family father, music and coffee lover, European 🇪🇺, he/him. https://rene-wilby.de/en
@bernyodf.bsky.social @bernyodf.bsky.social 
dimitris Doutsiopoulos @ddoutsiopoulos.bsky.social 🎬 Photographer & Creative Director
𝘍𝘪𝘯𝘥𝘪𝘯𝘨 𝘸𝘢𝘺𝘴 𝘵𝘰 𝘤𝘳𝘦𝘢𝘵𝘦 𝘢𝘵𝘮𝘰𝘴𝘱𝘩𝘦𝘳𝘪𝘤 𝘴𝘤𝘦𝘯𝘦𝘴
📷🎥 Events | Conferences | Commercials
🌍International Clientele
📸✈️ Travel & Explore
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
Spring I/O @springio.net A two-day conference full of Spring awesomeness in Barcelona. +1300 attendees. Next edition: 13-15 April 2026
Organized by @sergialmar.com
Scott Frederick @scottfrederick.us Sr. Staff Software Engineer at @hero.dev. Former Pivotal, VMware, Sabre.
Arjen Poutsma @poutsma.bsky.social Former Spring Framework committer, now writing Call of Cthulhu scenarios.
JUnit Team @junit.org Shaping the future of testing on the JVM
Juliette de Rancourt @jderancourt.bsky.social Software engineer
Thomas Schühly @tschuehly.de Speaker: Spring I/O, Devoxx, JavaZone -
Open-Source: Spring ViewComponent -
htmx engineer: alanda.io -
htmx blog: tschuehly.de -
Indiehacker: photoquest.wedding
Pasha Finkelshteyn 🇩🇪⬅️🇷🇺(✡️) @asm0dey.site Developer advocate for @BellSoft
Love people, both listen and talk to
https://asm0dey.site/
Joris Kuipers @joris.kuipe.rs CTO & hands-on architect at Trifork Amsterdam. 40 over 40
Andreas Falk @andifalk.bsky.social Making IT #Secure. Teaching #Architecture, #AppSec, and #CloudSec. Speaker at #Devoxx, #Spring IO, and #OWASP.
Víctor Orozco @tuxtor.bsky.social Java Champion, Oracle ACE Pro, I like to code
Cay Horstmann @horstmann.com Nothing to see here...keep moving! Specifically, to Mastodon: https://foojay.social/@cayhorstmann
Ludo @ludoch.bsky.social Java, Google, App Engine, Cloud Run, PaaS, Developers.
9ième, Pigalle, SOPI, Vallée de Silicone, SF.
Jonathan Giles @jonathangiles.net Principal Java Architect for libraries at Microsoft and a Java Champion. Previous: Consulting Member of Technical Staff on Java at Oracle/Sun Microsystems.
@bercut2000.bsky.social @bercut2000.bsky.social 
Emily Jiang @emilyjiang.bsky.social Java Champion, Book Author, MicroProfile Guru, Jakarta EE supporter
Edwin Derks @edwinderks.bsky.social Java Champion | Architect | Writer | Speaker | Contributor for Jakarta EE and MicroProfile | Car Maniac | Extreme Dance & Metal Music Fan |
Nacho Cougil @icougil.bsky.social Founder of @BarcelonaJUG | Cofounder of @devbcn.bsky.social | Java Champion | Principal Software Engineer at @dynatrace |
Java & JVM stuff, forensics, irony & more
Maurice Naftalin @mauricenaftalin.bsky.social 
Jean Bisutti @jeanbisutti.bsky.social Software engineer at Microsoft, QuickPerf, Java Champion
Mary Grygleski @mgrygles.bsky.social 
Kito D. Mann @kitomann.bsky.social 
@mehmandarov.bsky.social @mehmandarov.bsky.social This account is not in use. Follow me at @rustam.no instead.
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.
Bill Burke @billburke.ie Web dev. Farmer. Tipperary. Bullocks. Bees. Bad weather. 🇺🇦🇵🇸
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
javapapo @javapapo.bsky.social Dad, Java die hard, Pythonic, podcaster, amateur baker, ex-judoka, gamer /aviation/ F1 enthusiast. blog.javapapo.com / badguys.fm
Romain Guy @romainguy.dev Photography (https://curious-creature.com), Blog (https://romainguy.dev). In the past: Engineering Director, Android Toolkit team at Google.
Jacek Laskowski @books.japila.pl Freelance Data(bricks) Engineer • Databricks MVP • #ApacheSpark #MLflow #DeltaLake #UnityCatalog #Databricks #Python #uv • Java Champion • ASF member • he/him
Into #LLMOps #MLOps #GenAI
https://www.linkedin.com/in/jaceklaskowski
Ondro Mihályi @ondromih.bsky.social Java enthusiast. Director at @omnifish.bsky.social. @CZJUG.bsky.social lead. @Java-Champions.bsky.social. @JakartaEE.bsky.social committer. All opinions my own.
Harshad Oak @harshadoak.bsky.social tech, science, software, startups, reform, rationalism...
twitter.com/harshadoak
HarshadOak.com
Bruce Tate @redrapids.bsky.social Founder Groxio for teaching Elixir; Author of Seven Languages in Seven Weeks, Gold looper. Follow for learning Elixir and programming languages. 
Kresten Krab Thorup @drkrab.bsky.social 
Dick Wall @dickwall.bsky.social Beer, Bikes, Buffett
Antón @anton.galiglobal.com Senior Software Engineer who's enthusiastic with data systems, agentic engineering and programming 🦀. Plus, I'm a big fan of reducing my carbon footprint 🌱
Jean Michel Doudoux @jmdoudoux.bsky.social Java Champion, didacticiel Java et Eclipse, Ju Jitsu et arts martiaux, Delphi, modélisme et figurines
Enrique @chochosmx.bsky.social Bassist, programmer, dad. CDMX.
David Bock @bokmann87.bsky.social 
Antonio Goncalves @agoncal.bsky.social Principal Software Engineer @Microsoft @Azure @JavaAtMicrosoft @devoxxfr @parisjug @Java_Champions @pluralsight #BookAuthor #Jazz #Tango Us/We
Robert Scholte @rfscholte.bsky.social Founder/owner Sourcegrounds, Java Champion, former Maven chairman, international speaker, bookreviewer
Freddy Guime @fguime.bsky.social Distinguished Principal Engineer @expediagroup.bsky.social . Previously of the financial industry. Co-host of
@javapubhouse, podcast for the Java dev. Co-Author of Java 7 Recipes
Paul Bakker @pbakker.bsky.social Staff engineer in Java Platform at Netflix, Java Champion, and creator of the DGS Framework.
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
Burk Hufnagel @burkhufnagel.bsky.social Java Champion, Eagle Scout, Test-Driven Development Advocate
Dirk Lemmermann @dlemmermann.bsky.social JavaFX Fan Boy. Java Champion. Java One Rockstar. Open Source Contributor. Freelancer. Consultant. Speaker. Entrepreneur.
Bob Paulin @bobpaulin.com Thinker-doer. Developer. ASF Member. Java Champion. Dad x 4.
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.
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.
@luciobenfante.bsky.social @luciobenfante.bsky.social 
Rafael Winterhalter @rafaelcodes.bsky.social software consultant who likes static typing, coding at http://github.com/raphw 🇧🇻🇩🇪🇪🇺
Sebastian Daschner @daschners.bsky.social Helping developers solving the challenges of enterprise software.
David Heffelfinger @ensode.bsky.social Java Champion, Apache NetBeans PMC Member, Technical Author, Jakarta EE Consultant and Instructor.
Totto @javatotto.bsky.social 
Ivan St. Ivanov @ivannov.bsky.social Founder and senior programmer @ VIDA Soft, Open source fan, Bulgarian JUG lead, jPrime conf organizer, Java Champion
Prof. Dierk König @dierk-koenig.bsky.social Prof. at @FHNW, Groovy in Action, Java Champion, Web, Frege, Artist
Simon Maple @sjmaple.bsky.social 
Vincent Mayers @mayers.io DevRel and Tech Community Leader, Java Champion, MicroProfile.io steering committee, Speaker, Organizer of Devnexus and Atlanta Java Users Group
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.
Mario Torre @mariotorre.bsky.social Follow me on:
https://mario-torre.bandcamp.com
https://mastodon.social/@MarioTorre
The opinion expressed here are my own. Like and share doesn't necessary mean I agree with the content.
I'm leftist and antifascist. No human being is illegal. #fckafd
Deepu K Sasidharan @deepu105.bsky.social @jhipster co-chair.
Developer 🥑 @okta.
Polyglot dev/Speaker/Author.
@Java_Champions.
Java, Rust, JS, DevOps.
ADHD.
Simone Bordet @simonebordet.bsky.social Jetty/CometD Lead. Java and JVM. Web/Network Protocols (HTTP/1/2/3, WebSocket, QUIC). Some CrossFit.
Yuichi Sakuraba @skrb95.bsky.social Java Developer
Java Champion
@steveonjava.bsky.social @steveonjava.bsky.social 
Sergi Almar @sergialmar.com 
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/
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
Maciej Walkowiak @maciejwalkowiak.bsky.social 
Adib Saikali @asaikali.bsky.social 
Timo Salm @timosalm.bsky.social Principal Solutions Engineer - EMEA @ VMware Tanzu | Internal Developer Platforms | DevSecOps |
Cloud Native Applications | Spring Framework | AI
Laur Spilca @laurspilca.bsky.social A #java guy. Pacifist 🕊
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
@cppwfs.bsky.social @cppwfs.bsky.social 
Jason Konicki @thejk100.bsky.social Spring OSS Engineering
Spring Tools @springtools.bsky.social Spring Tools for Visual Studio Code, Cursor, Eclipse, and Theia: https://spring.io/tools
Simon Baslé @simonbasle.bsky.social programming by day, ttrpgs by night, reading fantasy and sci-fi at dusk. at dawn I'll be sleeping, thank you very much
Josh Cummings @jzheaux.bsky.social I love juggling and Spring Security.
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
JAX London @jaxlondonuk.bsky.social Hybrid | October 05 ‒ 09, 2026. We bring together the enterprise engineers and system architects who make AI work in the real world — not just in demos.
Oliver Zöller @zoeller.bsky.social Software Developer: Java, Spring, SpringBoot
Freelancer
Inside IT @inside-it.ch Das Schweizer Tech-Magazin für IT-Verantwortliche. Inputs an redaktion@inside-it.ch.
Christoffer Hammarström @kreiger.bsky.social Swedish, Software Engineer, and Gamer
Johannes Rabauer @rabauer.dev ☕ Java coder @xdev.software | 🤖 AI wrangler | 🎤 Conference speaker | 🎮 Full-time dad, part-time gamer
flower @fiorenzino.bsky.social java...quarkus..angular...docker.. kubernetes..
João Martins @thisjoao.bsky.social 
Heinz Kabutz 🏝 🇬🇷 🇿🇦 ☕️ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.