Ben Evans @ogkittylyst.bsky.social Cisqueer author / educator / software eng known for #architecture #performance #observability #Java #JVM
Chaos acc: #cats #antifascism #queer >> #tech
Cornishman in Barcelona. He / him.
More: @kittylyst@mastodon.social
Andrea @andreatp.bsky.social 
Cedric Clyburn @cedricclyburn.com Developer Advocate at Red Hat • Organizer KCD New York • Previously at MongoDB • containers, k8s, & everything in between
Calum Murray @calummurray.bsky.social CNCF & AAIF Ambassador, Knative, CloudEvents, and Kubernetes MCP Server & MCP Operator Maintainer. Researching EDA, Serverless, and LLM Agents.
@anmarpei.bsky.social @anmarpei.bsky.social Soy #engineeringManager y #careerCoach , disfrutando del camino mientras juego con la #innovación a través de #legoseriousplay y #playmobilpro 🤗
https://www.linkedin.com/in/antoniomartinezpeiro/
https://coachingdesdeloprofundo.quora.com/
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.
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
@nmcl.bsky.social @nmcl.bsky.social 
Sam Barker @samturtelbarker.bsky.social Principal software engineer at Red Hat (all opinions are mine, not theirs) working in the Kafka ecosystem: Mostly throwing bytes around with JVM’s as fast as possible.
Part of the team behind Kroxylicious.io
Allen Holub @allenholub.bsky.social Author, international speaker, consultant, software architect, kitchen-sink wrangler.
Gerard Braad @gbraad.nl [
#Hardware | #OpenSource | #RetroTech
{
𝑨𝑴𝑰𝑮𝑨, MegaDrive, MiSTer
}
| Principal Software Engineer && Engineering Manager
| Opinions are my own!
]
@dbosanac.bsky.social @dbosanac.bsky.social 
@noelo.bsky.social @noelo.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 🌍❤
Ingo @lasombra-br.bsky.social Engineering Manager @ IBM. Heavy Metal lover. Amateur photographer. MMA fan. Eternal learner. Opinions my own.
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/
Alberto Gimeno @gimenete.net Software Engineer who loves building developer tools and cloud services. Now at Stripe.
Building githero.app on the side: a modern and delightful GitHub client.
📍Zaragoza, Spain
Carlos Sanchez @csanchez.org Author of Jenkins Kubernetes plugin. Open Source, Kubernetes, DevOps, Progressive Delivery, and automating all the things @adobe
Alejandro Martinez @alexdeveng.bsky.social Software Crafter • @barcelonajug • Building solutions at @FINEOS • Passionate about #Java and clean code.
🌍 Languages: 🇪🇸 🇦🇩 🇮🇹 🇬🇧 🇨🇳
📍 Barcelona
🌐 https://linktr.ee/alexdeveng
Anyul Led Rivas @anyulled.bsky.social Senior Architect
#Kotlin #Java ☕ #Rust🦀, #K8s ☸️ #Photography 📷 #F1🏎️
@BarcelonaJUG board member. Absurdist, post-theist, polyglot, and polymath.
Dr. Mario @drmario.tech https://brain.drmario.tech/
Doctor que no cura, Head of Data y me interesa: mi curro, sexoafectivamente los hombres (y alguna mujer suelta), psico/sociología, los realities y ponerme mazao. Soy un sujeto deseante.
📍VLC
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.
Luca Burgazzoli @lburgazzoli.bsky.social 
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
Barbara Teruggi (She/Her) @bantera13.bsky.social Security Architect | Opinions expressed are my own | Proud music addict 🎶 | Amateur Climber 🐒
https://www.linkedin.com/in/barbara-teruggi
Hugo Guerrero @hguerreroo.bsky.social Tech speaker & API enthusiast | Passionate about AsyncAPI, Quarkus, and event-driven architectures | Exploring the intersection of APIs & AI in modern development | Open-source contributor
Peter Palaga @ppalaga.bsky.social Software engineer working on Quarkus CXF and Camel Quarkus. Opinions are my own, not necessarily of IBM.
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
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.
Rohan Kumar @rohankanojia.bsky.social https://rohankanojia.github.io/
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
Corey Quinn @quinnypig.com Snarkmonger. Chief Cloud Economist at The Duckbill Group.
he/him.
Get my opinionated take on AWS news: http://lastweekinaws.com/t/
Signal: 833-AWS-BILL (833-297-2455)
Edoardo Vacchi @evacchi.dev Programming Language Nerd, PhD in C.S. — Compilers, WebAssembly, Java, Rust, Go — prev: wazero, Chicory @ Dylibso, Tetrate, RedHat, UniCredit — organizer Papers We Love Milano
evacchi.dev
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
I Am Devloper @iamdevloper.bsky.social printer fixer
LangChain4j @langchain4j.dev Effortlessly build LLM-powered applications in Java, including chatbots, agents, structured data extraction and RAG: https://github.com/langchain4j/langchain4j
Spring @spring.io 
Adam Jacob @adamhjk.me CEO of System Initiative, Co-Founder of Chef. Open source. Heavy metal and music. Comics. @adamhjk on Twitter, @adamhjk@hachyderm.io on Masotodon. 
Netflix Engineering @netflixeng.bsky.social The official Netflix engineering account to share updates about all the great work happening at Netflix.
Rafael Winterhalter @rafaelcodes.bsky.social software consultant who likes static typing, coding at http://github.com/raphw 🇧🇻🇩🇪🇪🇺
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
Spencer Gibb @spencer.gibb.us Software Engineer, Dad, Geek, Co-founder and Lead of #SpringCloud Core on the @spring.io team at Broadcom
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 🏔️
Julien Dubois @jdubois.bsky.social Principal Manager, Java Developer Advocacy at Microsoft - Lead developer of https://jhipster.tech
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
Ray Tsang @saturnism.me Loves Java, Cloud, and Developer Productivity. Java Champion.
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.
Graeme @graemerocher.bsky.social Senior Architect at Oracle Labs
Creator of Grails and Micronaut (https://micronaut.io)
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
Dave Syer @handle.invalid Spring engineering team member. Somewhat responsible for the birth of Spring Boot and Spring Cloud. Climber. Sailor. Bass trombonist.
Roberto Perez Alcolea @rpalcolea.bsky.social 🇲🇽 Senior Software Engineer JVM Ecosystem / Productivity Engineering at Netflix | patriots fan | enjoying life with gdeltorno.
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. 🇵🇹🇮🇪🇪🇺🇺🇦
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/
Oliver Drotbohm @odrotbohm.de Frameworks & Architecture in the Spring open source engineering team, all things Spring, Java, data, DDD, REST, software architecture, drums & music. He/him.
Stefano Cordio @scordio.github.io Software Engineer @ EPAM Systems
Maintainer of @assertj.github.io
Martin Fowler @martinfowler.com Software Design Loudmouth. Works for Thoughtworks. Also hikes, watches theater, and plays modern board games. He/him.
host of https://martinfowler.com
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.
Robert Scholte @rfscholte.bsky.social Founder/owner Sourcegrounds, Java Champion, former Maven chairman, international speaker, bookreviewer
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
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.
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
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
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...
Thomas Vitale ☀️ @thomasvitale.com Software Engineer 📚 Author of “Cloud Native Spring in Action” 🛳️ CNCF Ambassador ☕️ Java Champion 🍃 Creator of @arconia.io for Spring Boot 🎙️ International Speaker 👨💻 OSS. Work with Java and Cloud Native.
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.
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
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
Antonio Goncalves @agoncal.bsky.social Principal Software Engineer @Microsoft @Azure @JavaAtMicrosoft @devoxxfr @parisjug @Java_Champions @pluralsight #BookAuthor #Jazz #Tango Us/We
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
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
Sergey Beryozkin @sberyozkin.bsky.social Principal Software Engineer at Red Hat. Working on Quarkus Security.
Kent C. Dodds 🌌 @kentcdodds.com Husband, 6x Dad, Latter-day Saint, Dev, Educator
🏹 http://EpicProduct.engineer
⚡️ http://EpicAI.pro
🌌 http://EpicWeb.dev
🚀 http://EpicReact.dev
🏆 http://TestingJavaScript.com
Yoann Rodière @yrodiere.bsky.social Hibernate team at IBM. Opinions and tastes are my own.
@yoannrodiere (X/Twitter)
@yrodiere@mastodon.social (Mastodon)
Leo Gallego @leogallego.bsky.social Linux 🐧, Ansible and FOSS groupie. TMM at Red Hat. Opinions are my own. Also @leogallego@mastodon.social
Magnus Eklund @magnuseklund.bsky.social Developer | Architect | Solution Architect @Red Hat | Developer Experience | Software Supply Chain Security | Open Source
Thomas Qvarnström @millstream.bsky.social Product Manager at Red Hat. Working with the Quarkus Team. Posts are my own personal opinion.
Roland Huß @ro14nd.bsky.social Software and Chili Geek • Red Hat • O'Reilly Author • Llama Stack • k8spatterns.com • jolokia.org
@natalevinto.bsky.social @natalevinto.bsky.social 
Guillaume Smet @gsmet.bsky.social Happy camper at Red Hat. Improving Quarkus one commit at a time.
Georgios Andrianakis @geoand86.bsky.social Principal Software @ Red Hat, working on Quarkus, Langchain4j and others
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.
Stéphane Épardaud @unfromage.bsky.social FroMage. Works on Quarkus, Vert.x, Ceylon for Red Hat, co-lead of Riviera JUG, Riviera DEV and is generally French…
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)
Josh Berkus @fuzzychef.org Potter, Cook, Kubernetes geek.
Mostly on Mastodon (https://m6n.io/@fuzzychef) but I use this account too.
Karena Angell @karenaangell.bsky.social Red Hat | Kubernetes | CNCF | Open Source
Máirín Ní Ḋuḃṫaiġ ᚋᚐᚐᚔᚏᚔᚔᚅ @mairin.bsky.social Haigh a chairde, mise Máirín! Is dearthóir UX foinse oscailte mé. I mo chónaí i mBostún agus táim ag foghlaim Gaeilge. (ceartaígí, le bhur dtoil!) í/sí/a Is Podman é mo phictiúr!
CarlaStabile @carlastabile.tech 🥑 Sr. Developer Advocate @auth0
I build software and create content about it
opinions are my own
🇻🇪/🇪🇸
Tomas Kral @handle.invalid 
Foivos Zakkak @foivos.zakkak.net Software Engineer @ #IBM working on #Quarkus native and the #Mandrel distribution of #GraalVM
@zakkak@mastodon.online on mastodon
Quarkus @quarkus.io Supersonic Subatomic Java
Attila Mészáros @csviri.bsky.social Staff Software Engineer at Apple. Maintainer of
@javaoperatorsdk. Member of the Operator Framework steering committee.
David Bonilla @davidbonilla.bsky.social Candela's Husband. Proud Daddy of Irene and Dani. Jacobin. Del Atleti. True Galician. Slow Marathon Runner. Fighting the status quo since 1977.
Jaime Gómez-Obregón @gomezobregon.com Ingeniero hackeando para mejorar la Administración pública. Ayúdame a seguir en http://patreon.com/jaime_gomez_obregon
Javi Santana @javisantana.bsky.social Tinybird founder
Data infra for developers
Tinybird.co
Hector Espert @hectorespert.bsky.social No incluye montaje
Shaaf Syed @shaaf.dev Architect, developer, 🐧 ☕️ , ❤️, open source enthusiast, technical editor @InfoQ, 🏏 coach. @shaaf@fosstodon.org
jmiguel @jmiguel.eu https://jmiguel.eu
Mastodon: jmiguel@tkz.one
Mikael Barbero @mikael.barbero.tech Head of Security @ Eclipse Foundation
We build our computers (systems) the way we build our cities: over time, without a plan, on top of ruins — Ellen Ullman
Andrew Block @andyserver.com Distinguished Architect at Red Hat. Developer, Maintainer, Innovator. Sports and Travel Junkie