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 · 🚴
InsideEVs @insideevs.com Leading the charge since 2012. The world’s top authority on electric vehicles, new car technology and the future of how we’ll get around.
www.insideevs.com
Kelsey Hightower @kelseyhightower.com Minimalist
Mathijs Vogelzang @thijser.bsky.social Tech, Kotlin, Typescript, Startups, Ethereum / Base
Creating things @ appbrain.com / reallywrite.com / bluefacts.app
@michal63.bsky.social @michal63.bsky.social 
JUnit Team @junit.org Shaping the future of testing on the JVM
TriJUG @trijug.dev Home of the Triangle Java Users Group (TriJUG) serving the Triangle region (Raleigh/Durham/Chapel Hill) of North Carolina, US. #java
Jonathan Putney @putney.io VP of Technology @ Noverant LMS
Java / Python / AWS / Kubernetes
github: https://github.com/jcputney
website: https://putney.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
Maurice Naftalin @mauricenaftalin.bsky.social 
Frank Riccobono @aelfric5578.bsky.social I write code, I write silly things that aren't code, and I make props for community theater.
https://frankriccobono.com/
Uwe Maurer @uwemaurer.bsky.social 👨💻 Programming Indie Hacking, Startup, Bootstrapping
🚀Typescript, Astro, Svelte, Sqlite, Android, Kotlin, DuckDB
📍 Zürich / Switzerland
👉 BlueFacts - bluefacts.app @bluefacts.app
👉 Android Apps Directory - www.appbrain.com @appbrain.com
Jeremy Davis @argntprgrmr.bsky.social Solving problems, slinging open source
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
Kate Holterhoff, PhD @kateholterhoff.com Analyst @redmonk.com 📊
Affiliated researcher @ Georgia Tech 🎓
Author of 2 books 📚
Award-winning podcast host 🎙️
#AI #Frontend #JavaScript #DevX
Jeremy, the patronizing Saint of DevOps 🇺🇦 @jerdog.dev #DevRel, #DevEx, #Community, #Opensource things. Ex CircleCI, Auth0, etc. #DevOpsDays KC Organizer. @jerdog@hachyderm.io on 🐘.
FDT. Fuck ICE.
#BlackLivesMatter
#AbortionIsHealthcare
#TransRightsAreHumanRights
Website: jmeiss.me
Pratik Patel @prpatel.dev master builder of nachos
software . technology . not a bot
Project Jupyter @jupyter.org Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects – @mentions not monitored. Open issues on GitHub.
Hubert Klein Ikkink @mrhaki.com Love to develop applications with gr8 technologies at JDriven. Interested in #java, #groovy, #clojure, #kotlin, #asciidoctor, #micronaut, #gradle.
https://www.mrhaki.com 🇳🇱🇪🇺🏳️🌈
Danica Fine @thedanicafine.bsky.social Opinions my own.
Developer Advocate. 🥑 ❄️
http://linktr.ee/thedanicafine
Sven Reimers @sreimers.bsky.social Java Champion,
JUG Leader JUG Bodensee, JTaccuino
Apache NetBeans PMC, OpenJFX author,
Systemengineer @ Airbus Defence and Space
Sébastien Allemand @allemas.bsky.social JVM Internals & Concurrent Software Design 🏗️
Deep dives into performance, concurrency & low-level mechanics ⚙️
Im not a t-shirt maker, views are my own
geecon @geecon.bsky.social Java and JVM based technologies, dynamic languages, enterprise architectures, patterns, distributed computing, AI and more
https://geecon.org/ Kraków, 14-15 May 2026
Rich Bowen @rbowen.bsky.social Open source zealot. Maker of knives. Thrower of darts. 
Orlando Valdez @orlandovaldez.com 🇲🇽🇺🇲 I build software to solve problems... I create problems while building software
FrankG @frankgreco.bsky.social AI/ML Consultant and Technology Strategist, Educator, NYJavaSIG Chair, Java Champion, Musician, Writer, Obnoxious Foodie, and very bad Fisherman. #STEAMnotSTEM #Diversity
Grzegorz Piwowarek @pivovarit.bsky.social Java Champion, Leader @vavr_io @WarszawaJUG
Committee @JDD_Krakow
ex @hazelcast
Dad jokes are my own.
https://github.com/pivovarit
Tagir Valeev @tagir-valeev.bsky.social Work at JetBrains. Java Champion. Check my Java book: https://mng.bz/671p
Cay Horstmann @horstmann.com Nothing to see here...keep moving! Specifically, to Mastodon: https://foojay.social/@cayhorstmann
Daniel Garnier-Moiroux @garnier.wf Fiddler of things. Makes computers go beep-boop 🤖 Contributor to Spring Security. Spring Meetup Paris. 🍃
Certified Java Champignon 🍄
Kevin Dubois @kevindubois.com 🥑 Dev Advocate @IBM | Cloud Native Developer | Java Champion | Author | Keynote Speaker | Open Source | Based in the Swiss Alps 🏔️🇨🇭
Kim Fletcher @kimfletcher.bsky.social Event Operations & Community Leader | Organised Devoxx UK | Volunteer Manager: AI Native DevCon & StateOfOpenCon | Leader of the Virtual Java User Group
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.
Aleix Morgadas @aleixmorgadas.dev 💻 Building as Staff Eng at Rover.com!
✍️ Writing about #EngineeringStrategy and #WardleyMapping
🎨 Learning #sketching
Posts in CAT/ES/EN.
https://aleixmorgadas.dev
📌 Barcelona
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.
Heinz Kabutz 🏝 🇬🇷 🇿🇦 ☕️ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
Chris Holdgraf @choldgraf.com Executive Director of @2i2c.org
🪐 Jupyter Project distinguished contributor
👬 mybinder.org and hub.jupyter.org team
📚 jupyterbook.org mystmd.org and executablebooks.org
open communities 🙌
open infrastructure 💻
open science 🧪
Piergiorgio Lucidi @pjlucidi.bsky.social Distinguished Enterprise Architect | Member & Vice President @apache.org | Alfresco Expert | Creator of OpenCrawling | Enterprise Content Federation & AI Ingestion Expert | Session Guitarist & Improviser
Marit van Dijk @maritvandijk.bsky.social 💻 Software Developer | ☕🥑 Java Developer Advocate @ JetBrains | 🏆 Java Champion | 🎤 International Keynote Speaker | 👩💻 Pronouns: She/her
https://maritvandijk.com/
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/
@monktoberfest.com @monktoberfest.com 
Axel Fontaine @axelfontaine.bsky.social Creator sprinters.sh, Flyway (sold to Redgate), CloudCaptain.
Java Champion, JavaOne RockStar.
Gwen Shapira @gwenshap.bsky.social Founder of SaaS Developer Community and Nile Database. 
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
@m0nt3c1t0.bsky.social @m0nt3c1t0.bsky.social Software Engineer, Software Architect, Java Expert, Web Enthusiast,
Landscape Picture Enthusiast
Apache Software Foundation (The ASF) @apache.org The global home for open source software, powering some of the world’s most ubiquitous software projects in web, big data, Java, IoT, cloud computing, and more. Learn more at https://apache.org.
Richard Zowalla @rzo1.bsky.social Dr. sc. hum. in Medical Informatics | ASF Member | https://s.apache.org/rzo1 | #OSS ♥️
Torsten Curdt @tcurdt.bsky.social CTOish person.
Open Source at the ASF.
Building Software Infra Teams.
Worked at soundcloud, joost, gilt, honeypot and others.
Trying to pass on 30y+ of software engineering experience without being grumpy. (Might not always work)
Love sailing!
Matthias Bünger @bukama.bsky.social Loves #Java, JakartaEE and testing | @maven.apache.org PMC and ASF member | Slow runner 🏃♂️
Catherine Edelveis @edelveis.dev Liberica JDK Advocate | Spring Boot Enthusiast | JavaFX Fancier | Tech Writer and YouTuber | Dog Mom | Views are my own
Home: edelveis.dev
CyberJAR channel: https://www.youtube.com/@cbrjar
Sébastien Lallemand @sebastienlallemand.net French Solution Architect @RedHat
Home automation, self hosting, privacy
Also fan of rugby, rock 🤘
https://sebastienlallemand.net
Øyvind Horneland @oyvindhorneland.bsky.social Java developer living in Oslo, Norway. Mainly here for tech content, especially interested in #java / #jvm / #openjdk related topics. 
Ruth Suehle @suehle.bsky.social President, #Apache Software Foundation ( #ASF )
Makes lots of things & #highland dances
GeekMom.com writer
https://linktr.ee/suehle
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.
🏳️🌈🏳️⚧️
Andy Pavlo @andypavlo.bsky.social Database Research @ ClickHouse
Associate Prof. of Databases @ Carnegie Mellon.
Nacho Brito @nachobrito.bsky.social Physics, then Software 
Joseph D. Ortiz @earthsciinfo.bsky.social NatGeo Explorer, Oceanographer, Climate Scientist; Env. Remote Sensing; Energy & Sustainability; husband, father #FirstGen, Views my own; Google scholar: https://scholar.google.com/citations?hl=en&user=qMBuSe4AAAAJ
Phillip Ross @phillipross.com 
Alexander Reelsen @spinscale.bsky.social Husband, dad, enjoys working distributed, likes distributed databases & search engines, the JVM, Basketball/Streetball fan, gulps coffee, lives in Emsdetten/Germany, occasionally blogs at https://spinscale.de
Manuel Ernesto @manuelernesto.dev Developer Lead at Standard Bank 🇦🇴
🥑Advocating #kotlin | 🚀Mastering #gcp & #k8s
Kirill 🍉 @rxynrg.bsky.social SWE interested in internet technologies
M @ehdi.in Father, Husband, Software Engineer, GNU/Linux user, Amateur photographer, !Vegan
Spring AI @spring-ai.bsky.social An Application Framework for AI Engineering.
Spring AI addresses the fundamental challenge of AI integration: Connecting your enterprise Data and APIs with the AI Models.
jonbaer.bsky.social @jonbaer.bsky.social 
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
Gabriel Archanjo @garchanjo.com Co-founder at @BotCity (YC W22)
OSS Maintainer at MarvinJ and Marvin
Computer Scientist, AI, Open Source
Arístides Villarreal Bravo @avbravo.bsky.social Java champions, jmoordbcore, Jakarta ee, Apache NetBeans, Java, NoSQL
Laura Velasco @laura4ever.bsky.social Software developer. Cat, dogs and horse enthusiast. Living each day to the limit. Livie & Swiftie
My life in 10 emojis 🏳️⚧️🐈🍕💜🎮👩💻🫶🏼♟️🦮📺
Johan Vos @johanvos.bsky.social Java Champion, Gluon and LodgON.
co-lead OpenJFX, lead OpenJDK-Mobile . Java for science, Quantum Computing. PhD
Marc Philipp @marcphilipp.de Software engineer and @junit.org team lead, Java Champion and open source enthusiast, father, husband & family person (he/him)
Website: https://marcphilipp.de
Mastodon: https://chaos.social/@marcphilipp
Christian Tzolov @tzolov.bsky.social Spring AI lead | MCP Java SDK maintainer | Spring Framework team at Broadcom
Thanos Stratikopoulos @stratika.bsky.social Research Fellow at The University of Manchester,
#TornadoVM Team.
TechCrunch @techcrunch.com Technology news and analysis with a focus on founders and startup teams.
Got a tip? http://techcrunch.com/tips
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.
Phil Steitz @psteitz.bsky.social Animal lover, trail runner, mathematician, product and tech leader, open source developer
Henri Tremblay @henri.tremblay.pro IT Strategy, Productivity, Performance, EasyMock,
@Java_Champions and trying (successfully?) to be useful. Head of
@TSImagine Montréal Office
Peter Lawrey @peterlawrey.bsky.social Java Champion | Vanilla Java Blog (6M views) | CEO of Chronicle Software with 8 out the top 11 investment banks as clients.
Six kids from 3 to 26
Olga Gupalo @olyagupalo.bsky.social Member of GraalVM, Oracle
Vladimir Zakharov @zakhav.bsky.social 
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
Michael Chavinda @mschav.bsky.social Curious about many things
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
@tinyrobots.bsky.social @tinyrobots.bsky.social 
API Evangelist @apievangelist.com I am the API Evangelist, making sense of the technology, business, policies, and the people of APIs since 2010 by surveying and assessing the public API landscape.
JBang @jbang.dev Run Java code directly. Reuse Maven dependencies with ease. Download from http://jbang.dev/download/ or run curl -Ls http://sh.jbang.dev | bash -s - app
Kristoffer Magnusson @rpsychologist.com Mostly stats, visualization, open science, and psychotherapy.
https://rpsychologist.com
Babak Farhang @gnahraf.bsky.social applied & engineering physics guy (Cornell) turned programmer
Building something new. Here's the first part..
https://crums.io
Working deck..
https://docs.google.com/presentation/d/1xDiIncACo92nclaHHeyOikr2TSSpizVuXU21CyADu4M/edit?usp=sharing
Aurora, CO
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
🥼 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.
Anders @dataders.bsky.social DX @ dbt
Wojtek @wojtek.be nerd, trekkie, IT guy (mostly Java, JVM and surroundings & Linux), Steam Deck lover.
🇵🇱 / 🇨🇱 / 📍🇪🇸
Ranting over https://wojtek.be
Özkan Pakdil @thejvmbender.bsky.social Software engineer, Linux user since 2000
#java and c# developer, #rust learner, JS writer,cpp/qt enjoyer. ❤️ #postgresql #linux
https://github.com/ozkanpakdil
Eddú Meléndez Gonzales @eddumelendez.bsky.social 🇵🇪 Java Chavo, Software Engineer and Open Source Contributor. Working on Testcontainers. Opinions are my own.
Sandra Ahlgrimm @sandraahlgrimm.bsky.social JUG Berlin, Senior Cloud Advocate for Java on Azure
Benjamin Nothdurft @dataduke.bsky.social 🎤 Community, Leadership, Java, Cloud
🏅 7x Oracle ACE Pro, JUG Leader
🌍 San Francisco, CA <> Jena, GER
🔗 www.linktr.ee/dataduke
Laur Spilca @laurspilca.bsky.social A #java guy. Pacifist 🕊
Martin Kanters @martinkanters.bsky.social List.of("Senior Software Engineer", "Apache Maven Committer", "Java enthusiast", "Jazz pianist")
Virtual Java User Group @virtualjug.bsky.social Hi from VirtualJUG (vJUG), the world's first online-only Java User Group. Join us, and the best Java experts in the community!
Colin Webb @colinwebb.bsky.social I write software - Java/Scala, Python, and Rust.
Based in a village near Oxford, UK
Gaëtan @handle.invalid Principal Platform Architect
Chainguard Partner