John Carmack @johncarmack.bsky.social swe 🧑💻
Kresten Krab Thorup @drkrab.bsky.social 
Jon Skeet @jonskeet.uk Christian, husband of @hollywebb.bsky.social father, feminist, software engineer at Trainline, author, Stack Overflow contributor. He/him.
(All views expressed are my own, and not that of my employer.)
Tim O'Reilly @timoreilly.bsky.social Founder & CEO, O'Reilly Media. Doing my best to help good futures happen.
Mike Bostock @ocks.org Visualization toolmaker. Founder of Observable. Creator of D3. Former NYT Graphics. Pronounced BOSS-tock.
Kevin Bourrillion @kevinb9n.bsky.social Java Platform Group @Oracle (all opinions are my own alone).
See random stuff about me at http://kevinb9n.github.io
Joe Darcy @jddarcy.bsky.social OpenJDK developer at Oracle, floating-point fancier, marathoner, record-setting fast walker, episodic photographer. Views expressed may or may not be held by any person or org.
Jeff Dean @jeffdean.bsky.social Google Chief Scientist, Gemini Lead. Opinions stated here are my own, not those of Google. Gemini, TensorFlow, MapReduce, Bigtable, Spanner, ML things, ...
Tagir Valeev @tagir-valeev.bsky.social Work at JetBrains. Java Champion. Check my Java book: https://mng.bz/671p
Vsevolod Tolstopyatov @qwwdfsad.bsky.social Kotlin @ JetBrains. API and language design, concurrency, performance
GopherCon @gophercon.com The premier gathering of Go programming language enthusiasts will convene at the Seattle Convention Center | Summit from August 3rd - 6th. Grab a pass at gophercon.com, and we'll see you in the Emerald City!
Kevin Gosse @kevingosse.net Principal engineer at JetBrains, passionate about .NET, performance, and debugging. Microsoft MVP. Co-author of Pro .NET Memory Management (2nd edition)
evanchooly @evanchooly.bsky.social Java Champion. Kotlin fanatic. Bit twiddler. New Yorker. Pronounces it jif. SSE at @Datadog. @evanchooly@mastodon.social
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 · 🚴
Sharat (Shar) Chander - 🟦🌊 @sharatchander.bsky.social 🇺🇸🇨🇦 #DemocracyMatters | #DevRel |Previously at Oracle, Sun Microsystems, Verizon, & Bell Atlantic | University of Maryland (Undergrad) and Loyola University, Baltimore (MBA) | 70s rock, R&B, 80s alternative and Rap lover | Views mine
@javachampions.bsky.social @javachampions.bsky.social 
Felix Geisendörfer @felixge.de Working at Datadog on Go Profiling, Performance, OpenTelemetry and more.
Before:
- Manufacturing Observability at Apple
- Co-founder at Transloadit
- Node.js Core Dev
Tanel Poder @tanelpoder.com A long-time computer performance nerd. Creator of https://0x.tools. Perf & troubleshooting blog: tanelpoder.com. All onions are mine!
Anton Arhipov @antonarhipov.bsky.social Developer Advocate @ JetBrains
https://antonarhipov.com
#java #kotlin #programming
@pingtimeout.fr @pingtimeout.fr 
Azul @azulsystems.bsky.social Azul provides the world's most trusted Java platform, founded on open source and delivered by the world's largest independent Java engineering team, and is the only company 100% focused on Java.
OpenJDK @openjdk.org The place to collaborate on an open-source implementation of the Java Platform and related projects · https://openjdk.org
Dmytro Vyazelenko @vyazelenko.bsky.social Aeron, JCrete/JAlba, performance.
Daniel Lemire @lemire.bsky.social Daniel Lemire is a Computer Science Professor at the University of Quebec (TELUQ). Daniel Lemire ranks in the top 2% of scientists worldwide according to Stanford University/Elsevier's 2024 ranking. 
Datadog HQ @datadoghq.com Datadog is the monitoring and security platform for cloud applications.
Heinz Kabutz 🏝 🇬🇷 🇿🇦 ☕️ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialists’ Newsletter. Email is heinz at javaspecialists dot eu.
Mara Bos @mara.bsky.social Rust dev, Electronics engineer, Author, RustNL, RustWeek organizer, ADHD, Polyamorous, Lesbian, She/Her
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
Johannes Bechberger @mostlynerdless.de OpenJDK hacker at SapMachine, works on hello-ebpf for fun
JChampions Conference @jchampionsconf.bsky.social Join us for the annual Java Champions online conference on 2025-01-23, 2025-01-24, 2025-01-27, & 2025-01-28
Visit https://jchampionsconf.com to see our lineup and to register for free.
Bartosz Adamczewski @badamczewski01.bsky.social ⚫ Concurrency, Performance, Machine Learning, #dataorienteddesign
⚫ R&I Director - I lead CS & DS teams
⚫ Making a Compiler
⚫ Links - bio.link/bartosza
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.
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
Ionut Balosin @ionutbalosin.bsky.social 👨💻 Principal IT Architect • 🎓 Technical Trainer • 🏆 Java Champion • ♠️ Oracle ACE Associate • 🔑 Security Champion • 🎤 Speaker • ✍️ Blogger • 🌍 www.ionutbalosin.com
Cliff Click @cliffclick.bsky.social Compiler researcher, mountain hiker, public speaking, long road trips, teaching, 20 patents, founder, father of 4.
Andres Almiray @andresalmiray.com I code for fun and help others in the process. Java Champion. Co-founder of Hackergarten & Hack.Commit.Push. Creator of JReleaser
🚀
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.
Rafael Winterhalter @rafaelcodes.bsky.social software consultant who likes static typing, coding at http://github.com/raphw 🇧🇻🇩🇪🇪🇺
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
Jeff Preshing @preshing.bsky.social Canadian computer programmer
JEP Tracker @jeptracker.bsky.social Diligently tracking and posting any @openjdk.org JEP updates.
Built by @hardcoding.fr on https://github.com/PerfectSlayer/openjdk-jep-bsky. Feedback welcome!
Dustin Moskovitz @moskov.goodventures.org Co-founder at Asana and Good Ventures (a funding partner of Coefficient Giving). Strange looper. You can just build the things you want to see in the world.
“Criminally underliked”
Dr Samuel Hume @samuelhume.bsky.social Public historian in British Imperial History | He/Him | Host of Winds of Change, Pax Britannica, and the History of Witchcraft Podcast
Sergio Perea @sperea.es Software Developer / Desarrollador
de Software. 🇪🇸 Ⓥ
#Python, #Java, #TypeScript & #JavaScript.
Embracing #CleanCode, #TDD, #XP #DDD
sperea.es
Тsфdiиg @tsoding.bsky.social Recreational Programming
- https://www.youtube.com/@Tsoding
- https://www.youtube.com/@TsodingDaily
- http://twitch.tv/tsoding
⠀⢀⣰⣾⡿⣶⣿⠿⣶
⢠⣼⣿⣿⣷⣿⣿⣶⠉
⢸⣿⣿⣿⣿⣿⣿⠀⠀
Kevlin Henney @kevlin.bsky.social consultant · father · he/him · human (very) · husband · itinerant · programmer · keynote speaker · technologist · trainer · writer
James Lewis @boicy.bovon.org Programmer, dad, one of microservices’ grumpy uncles. Warhammer, started playing WoW again - send help
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
Brice Dutheil @bricedutheil.bsky.social Java engineer, mockito commiter
Camille Fournier @skamille.themanagerswrath.com she/her. Author, manager, distributed systems engineer, etc etc, my latest book Platform Engineering is available now! https://amzn.to/4eUz5zB
Nicolai Parlog @nipafx.dev Java enthusiast with a passion for learning and sharing. Developer Advocate at Oracle but views and posts are my own.
Alexis King @lexi-lambda.bsky.social computers can be understood • she/her, ⚢ • Chicago
Graeme @graemerocher.bsky.social Senior Architect at Oracle Labs
Creator of Grails and Micronaut (https://micronaut.io)
Rich Hickey @richhickey.bsky.social Author of the Clojure programming language
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
Venkat Subramaniam @venkats.bsky.social Programmer, author, speaker, founder Agile Developer, Inc., co-founder of @dev2next Conference, professor @CSatUH
Trisha Gee @trishagee.bsky.social Java Champion, Developer Productivity Advocate, Author
https://trishagee.com
https://linktr.ee/trisha_gee
🇪🇸🇬🇧🇪🇺
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.
Mark Reinhold @mreinhold.org Chief Architect, Java Platform Group, Oracle · Views are my own · https://mreinhold.org
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/
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
Eric Lippert @ericlippert.com Eric Lippert designs programming languages; prior work includes architecting the Hack and Bean Machine compilers at Facebook, and developing the Visual Basic, VBScript, JScript and C# compilers at Microsoft. Blog at https://ericlippert.com
@donaldojdk.bsky.social @donaldojdk.bsky.social 
Lgd. Viktor Klang @viktorklang.com Architect, Java Platform Group at Oracle.
⚡️Views are my own. ⚡️
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.
🏳️🌈🏳️⚧️
José Paumard @josepaumard.bsky.social #Java #DevRel @Oracle, bartender #JEPCafe and https://dev.java, Java Champion Alumnus, JavaOne Rockstar. I post about #Java, sometimes cooking, Opinions are my own. Posts are in EN and FR.
0xc1a35 @cl4es.bsky.social Work: OpenJDK/Java performance; https://github.com/cl4es
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
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
Niki Tonsky @tonsky.me Fira Code, Datascript, Humble UI, #clojure
P(aul) Frazee @pfrazee.com CTO at Bluesky. Not a nerd.
Erik Österlund @eosterlund.bsky.social OpenJDK HotSpot JVM developer at Oracle. Drinks coffee and pets cats. Opinions expressed are, unsurprisingly, my own.
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
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
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
wint @dril.bsky.social Never Bullshit
I challenge any and every one who wants to kick my ass to a debate .
https://www.patreon.com/dril
https://www.instagram.com/dril
https://linktr.ee/drilreal
San Diego Zoo Wildlife Alliance @sandiegozoo.bsky.social San Diego Zoo Wildlife Alliance is an international non-profit committed to inspiring passion for nature and creating a world where ✨ all ✨ life thrives.
Oregon Zoo @oregonzoo.bsky.social Together for Wildlife
Chelsea Manning @xychelsea.tv 
Daryll Marie @daryllmarie.bsky.social Bioacoustician & PhD candidate using sound to study baleen whale movement ecology 🐋 Wildlife photographer, birder, nature nerd 🪶
IG: instagram.com/daryllmariephotos
Ko-fi: https://ko-fi.com/daryllmarie
southpaw @nycsouthpaw.bsky.social Writer, lawyer, Dodger fan, internet dog. nycsouthpaw18 at gmail. 
Dani cRabaiotti 🦀 @danirabaiotti.bsky.social Dr of Zoology
Data Scientist
Science feed co-creator
NYT bestselling author of #DoesItFart🐢💨
c0nc0rdance @c0nc0rdance.bsky.social Molecular biologist from Texas, here to share my meanderings on nature, science, history, politics, and zombies. Long threads a specialty.
Katie Mack @astrokatie.com Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.
Personal account; not speaking for employer or anyone else.
Brian Fung @brianfung.me Googler and former tech policy reporter for CNN, The Washington Post, The Atlantic & National Journal. A few things I enjoy: 🎮 🚴🏕️🍳🖖
Streaming at @BrainFungi on Twitch: https://www.twitch.tv/brainfungi
Ruha Benjamin @ruha9.bsky.social ✍🏽 • RACE AFTER TECHNOLOGY: Abolitionist Tools for the New Jim Code • VIRAL JUSTICE: How We Grow the World We Want • IMAGINATION: A Manifesto 📚www.ruhabenjamin.com
Micah Lee @micahflee.com Doing what I can to keep activists, journalists, and researchers safe and productive — writing at https://micahflee.com — author of HACKS, LEAKS, AND REVELATIONS https://hacksandleaks.com — signal: micah.01
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
Data Visualization Society @datavizsociety.bsky.social We are dedicated to fostering community for data visualization professionals.
Filippo Valsorda @filippo.abyssdomain.expert @geomys.org founder / RC F'13, F2'17
Cryptogopher / Go cryptography maintainer
https://filippo.io / https://github.com/FiloSottile
https://mkcert.dev / https://age-encryption.org
https://sunlight.dev / https://filippo.io/newsletter