Matt Godbolt @matt.godbolt.org Sometime verb, real person, lover of 8-bit computers, husband & father, trying to be a kind person. #blacklivesmatter; trans rights are human rights.
he/him
Nataliia Dziubenko @nataliiadziubenko.com 🇺🇦🇳🇱 Making cool stuff at Azul, passionate about everything Java & JVM https://nataliiadziubenko.com/
Adrian Chadd @erikarn.bsky.social * he/him
* (was) VR/AR prototype work at FB/Meta
* KK6VQK when RF
* Discord - therealerikarn
* FreeBSD, WiFi drivers/stack, Retro Computing, Random Electronics, and occasional kid/puppy stories
* https://erikarn.github.io/ for links to everything else
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
qntm @qntm.org There Is No Antimemetics Division (https://qntm.org/antimemetics) ~ "Lena" ~ Absurdle ~ HATETRIS ~ many other cool things
@happypathprogramming.com @happypathprogramming.com - B Bruce Eckel @bruceeckel.bsky.social Programmer, Author, Consultant, Speaker
Christian Humer @chumer.dev PL/VM/Compilers at Oracle. Working on Truffle/Graal.
ME/CFS Caretaker and Activist (https://ooe-mecfs.at).
Austrian expat in Zurich.
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
Natacha Crooks @nacrooks.bsky.social CS prof at UC Berkeley. Distributed Systems and Databases. Baking, handball and football enthusiast. Avid cheese eater. 
Matei Zaharia @matei-zaharia.bsky.social CTO at Databricks and CS professor at UC Berkeley. https://people.eecs.berkeley.edu/~matei/
Nicolai Parlog @nipafx.dev Java enthusiast with a passion for learning and sharing. Developer Advocate at Oracle but views are my own.
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.
Fabio Niephaus @fniephaus.com Research Manager on the @graalvm.org team at Oracle. Graal Languages, Native Image, developer tools, GraalVM developer experience. Previously at @hpi.bsky.social, @googlecolab.bsky.social, and @matonguitars.bsky.social. Views are my own.
Anton Arhipov @antonarhipov.bsky.social Developer Advocate @ JetBrains
https://antonarhipov.com
#java #kotlin #programming
Benoit Daloze @eregon.me Expert in dynamic language runtimes and JIT compilation, TruffleRuby lead, Rubyist.
https://eregon.me
Alfonso² Peterssen @mukel.bsky.social github.com/mukel
@dougxc.bsky.social @dougxc.bsky.social Graal compiler engineer
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
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
Nicolas Fränkel 🇪🇺🇺🇦🇬🇪 @frankel.ch 🧑💻 Developer and architect
🥑 Developer Advocate
✍️ Blogger @ https://blog.frankel.ch/
🎓 Eternal learner
📖 Book author at http://leanpub.com/integrationtest
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
Sam Brannen @sambrannen.com Core #Spring Framework and #JUnit Committer. Principal Software Engineer at Broadcom. Proud Daddy.
Johan Hutting @johanhutting.bsky.social Senior software engineer / Developer advocate @ ING, co-organiser JUG Noord and ING backend summit.
Opinions expressed are my own.
Graeme @graemerocher.bsky.social Senior Architect at Oracle Labs
Creator of Grails and Micronaut (https://micronaut.io)
Daniel Garnier-Moiroux @garnier.wf Fiddler of things. Makes computers go beep-boop 🤖 Contributor to Spring Security. Spring Meetup Paris. 🍃
Certified Java Champignon 🍄
Cédric Champeau @melix.champeau.me Il/Lui. Ingénieur informatique chez #Oracle (Les opinions exprimées ici sont les miennes). Astronome amateur. Auteur de #JSolEx. Conseiller municipal minoritaire à Montaigu-Vendée.
Iván López @ilopmar.bsky.social Java Champion & Principal Backend Developer at MasOrange. Previously Broadcom/VMware, Micronaut and Grails committer.
Geek, father, conference speaker, Linux-lover 🐧, Lord of Sealand. @madridgug.com & @madridjug.es organizer.
Marcus Hellberg @marcushellberg.dev Applied AI Researcher, Speaker, DevRel expert.
Java Champion.
VP of AI Research @vaadin.com
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.
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.
GraalVM @graalvm.org GraalVM compiles your applications ahead of time into native executables that start instantly, scale fast, and use fewer resources 🚀
Attila Szegedi @szegedia.bsky.social Software engineer @ Datadog. Lives in Switzerland. They/them. Infrequent hiking photos on https://pixelfed.social/asz
Daniel Appelquist @torgo.com Open Source & Open Standards strategist at Samsung & Open Web Curmudgeon. Member of the W3C Advisory Board. Londoner, Immigrant & US/UK dual national. Sci-fi/film/anime fan. @torgo@mastodon.social is my main. EuroSky is my PDS.
Quinns @itsquinns.bsky.social Writer & presenter for Quinns Quest & People Make Games. quinnsquest.quintinsdomain@gmail.com
@frogcroakley.bsky.social @frogcroakley.bsky.social Nate Crowley - SFF author (Twice dead king series, notes from small planets, ghazghkull, schneider wrack, 100 best video games that never existed), podcaster (Total Playtime), agent Jamie Cowen with ampersand
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
Casey Newton @caseynewton.bsky.social Email salesman at Platformer.news and co-host at Hard Fork.
Simon Holmes @srsholmes.com Currently building https://blueview.app
Staff Frontend Engineer @grafana
I post about all things web related with a focus on building products!
∃ugene -Yokota 🥙 @eed3si9n.com enjoys music, good food, coding, and talking about them.
learning machines at employer. sbt core dev. he/him
Jakub Chrzanowski @chrzanowski.info 🥑 Lead Developer Advocate @JetBrains.com for IntelliJ Platform
🧩 Helps make JetBrains products extensible
🛠️ Builds useful stuff
🦬 Suffers from yak shaving
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
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.
Shaun Smith @ssmith.bsky.social GraalVM Product and DevRel
Senior Director, Oracle
Devnexus @devnexus.bsky.social THE LONGEST-RUNNING AND LARGEST JAVA CONFERENCE IN THE USA. MARCH 4-6, 2025 BE THE FIRST TO KNOW OUR NEWS https://atlj.ug/StayInformed https://devnexus.com/
Pratik Patel @prpatel.dev master builder of nachos
software . technology . not a bot
Jean-Philippe Bempel @jpbempel.bsky.social Sr Sw Eng @Datadoghq, optimize software running on JVM. Love performance topics and mechanical sympathy supporter. Java Champion & @javamissionctrl committer
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 🌱
Chris Engelbert / noctarius - エンゲルベルト クリス @noctarius.com DevRel / Tech Marketing @ simplyblock.io
Noctarius ツ, #Devrel, #Opensource, #JapaneseFood, #JavaChampions
Ex Timescale, clevabit, Instana, Ubisoft, Hazelcast
Views are my own
Linktree: https://linktr.ee/noctarius2k
Travis Campbell @hcoyote.bsky.social Three raccoons in a big data trenchcoat.
Sometimes known as “The Don Rickles of Big Data”
Somewhere in the mountains of Colorado
Signal: hcoyote.83
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...
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.
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
Brian Demers @bdemers.io Father, Geek 🤓, Beekeeper 🐝, Java Champion ♨️, and Developer Advocate 🥑 at Gradle
Max Rydahl Andersen @maxandersen.xam.dk Quarkus co-lead - Distinguished Engineer, Red Hat. Creator of https://jbang.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
Daniel Hinojosa @dhinojosa.bsky.social Developer of sorts: Typically Java, Scala, and Haskell once in a while.
Roy van Rijn @royvanrijn.com Director of OpenValue Rotterdam, is a @Java_Champions, founder of Rotterdam JUG, public speaking: Java, AI, math, algorithms
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
Michael Simons @rotnroll666.bsky.social 👨👩👦👦👨🏻💻🚴🏻 – Father, Husband, Developer, Athlete. Author of Spring Boot Buch, and DuckDB in Action with Manning. Java champion working at Neo4j on various integrations within the JVM ecosystem.
More: https://michael-simons.eu
Ana-Maria Mihalceanu @ammbra1508.bsky.social
Java Champion Alumni | Architect| Sr. Developer Advocate @Oracle 🇳🇱 | Speaker | Co-founder@BucharestSCC. Opinions are my own. 
Hannes Mühleisen @hannes.muehleisen.org I like databases and boats. Co-creator of @duckdb.org, Co-Founder and CEO DuckDB Labs.
Murat (Distributolog) @muratdemirbas.bsky.social Distributed systems,Database systems, Lightweight formal methods, TLA+
https://muratbuffalo.blogspot.com/
Ryan Marcus @handle.invalid Assistant professor at UPenn. Database systems. https://RyanMarc.us
I'm mostly on Mastodon, https://discuss.systems/@ryanmarcus
Andy Pavlo @andypavlo.bsky.social Database Research @ ClickHouse
Associate Prof. of Databases @ Carnegie Mellon.
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
Josh Long 🍃 @starbuxman.joshlong.com Spring Developer Advocate
Java Champion
Kotlin Google Dev Expert
https://YouTube.com/@coffeesoftware
https://github.com/joshlong
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 · 🚴
rmoff 🏃♂️🫖🥓 @rmoff.net Shitposting & Memes.
Data & Stuff.
#dataBS #trailrunning
✍️ https://rmoff.net 🔗 https://rmoff.info
(DMs closed because of stupid UK age verification requirements).
iandouglas736 🇨🇦🇺🇸🥑🎙️ @iandouglas736.com Staff DevRel Engineer @ Square/Block
I post about Python, APIs, AI/ML, dad jokes, and tech career/interview prep coaching.
- Blogs, Videos, Talks: https://iandouglas736.com
- Free career newsletters: https://736.fyi/newsletter
John Gruber @gruber.foo I write Daring Fireball and created Markdown.
Chrissy LeMaire @funbucket.dev Dual Microsoft MVP, Inaugural GitHub Star, creator of dbatools, author http://dbatools.io/book and AI for Everyday IT from Manning Publications.
Creator of @mutesky.app 🏳️🌈
Totally into AI, SQL Server and PowerShell.
📍 Very North of France
Outsider @outsider.dev Site Reliability Engineer, GitHub ⭐
derek guy @dieworkwear.bsky.social Menswear writer. Editor at Put This On. Words at The New York Times, The Washington Post, The Financial Times, Esquire, and Mr. Porter.
If you have a style question, search:
https://dieworkwear.com/ | https://putthison.com/start-here/
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
Lgd. Viktor Klang @viktorklang.com Architect, Java Platform Group at Oracle.
⚡️Views are my own. ⚡️
Ray Tsang @saturnism.me Loves Java, Cloud, and Developer Productivity. Java Champion.
Konrad ‘ktoso’ Malawski @kto.so “Life is Study!”; Swift Actors, Concurrency & Distributed Systems @ Previously: Reactive Streams (TCK), @akkateam Actors, HTTP & Streams, @geecon Conference, Java Champion. he/him.
Sharat (Shar) Chander - 🟦🌊 @sharatchander.bsky.social 🏳️🌈🇺🇸🇨🇦🇮🇳🇺🇦 #DemocracyMatters | #Java #DevRel at #Oracle | Previously at Sun Microsystems, Verizon, & Bell Atlantic | University of Maryland (Undergrad) and Loyola University, Baltimore (MBA) | 70s rock and R&B, 80s alternative and Rap lover | Views mine
R "Nearest" Nabors @nearestnabors.com mimarobe | Prev affiliations: React core team, AWS Principle TPM, W3C and Mozillian | agentic web herald
Ben Golub @bengolub.bsky.social economics and computer science professor at Northwestern
bengolub.net
social and economic networks
originally from Ukraine
vixentael 🛡️🇺🇦 @vixentael.bsky.social I do software security, security engineering and applied cryptography | problem-solver @cossacklabs | she | Ukraine
William Gibson @greatdismal.bsky.social Author of Neuromancer and, most recently, Agency (still above from “Kill Switch”, The X-Files, Season 5, Episode 11, co-written with Tom Maddox)
Rob Levy human/acc @rplevy.info Exploring the potential for superempowerment of individuals and networks by augmenting triadic joint attention with programmable semiotic scaffolding.
Niks @niks.bsky.social Learner | Coder | Human | Gets high on music by Porcupine tree / Steven Wilson | Honesty setting 90% | parent of twins 🐣🐣
Adrian Tchaikovsky @aptshadow.bsky.social Author: Children of Time, Shadows of the Apt, Final Architecture, City of Last Chances and others. adriantchaikovsky.com
Ian Rathbone @rathbone.dev 💻 CTO @ Serene, currently in ‘build mode’
❤️ Love my family
🎹 Pet Shop Boys obsessive
🤩 Trying to control my Lego addiction
🥾 Hiker, Biker, fan of Riker! 🥸
Romanoid @romanoid.bsky.social Will instablock for: westsplaining, bigotry, hate symbols, pro-russian position in any form.
Ingvar Stepanyan @rreverser.com Cloudflare Worker.
D2D developer - loves building OSS tools and libraries to empower other developers.
📝 https://rreverser.com/
📷 https://instagram.com/rreverser
🇺🇦 🤝 🇬🇧
Chris Short @chrisshort.net Principal Trainer, KodeKloud | DevOps'ish | Kubernetes Contributor Comms | Open Source | Corgis | Detroit | Disabled Veteran | Views solely mine
Adi Polak @adipolak.bsky.social Code | Test | Deploy | Get paged
Data streaming, Machine Learning and AI app intensive Systems
James Ward @jamesward.com Just another nerd with a podcast: happypathprogramming.com
And a book:
effectorientedprogramming.com
jbáruch 🎩 @jbaru.ch DevRel Team tessl.io
Java Champion, Ex-CNCF Ambassador.
Co-author of #LiquidSoftware and #DevOps Tools for #Java Developers.
Kelsey Hightower @kelseyhightower.com Minimalist
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
Gergely Orosz @gergely.pragmaticengineer.com Writing The Pragmatic Engineer (@pragmaticengineer.com), the #1 technology newsletter on Substack. Author of The Software Engineer's Guidebook (engguidebook.com). Formerly at Uber, Skype, Skyscanner. More at pragmaticengineer.com
Dare Obasanjo @carnage4life.bsky.social Opinions about product management, technology news and inclusivity in tech. Diversity is about demographics, inclusion is about creating a sense of belonging.