Derek Arnold @darnold.blacksky.app he/him, Black, dad, husband, Ohioan. math, hardware/software (esp. F/LOSS), music, 1x Jeopardy! loser, helping others improve; also @darnold0714@mastodon.social
Mik ๐๐๐ @mikmck04.bsky.social 
Jamie @bf.lol Professional nerd and an over-forty victim of fate.
Dan Moore @mooreds.com Sr. Director, CIAM Strategy & Identity Standards at @fusionauth.io . Hangs out on HN too much. Author of "Letters to a New Developer", contributor to "97 Things Every Cloud Engineer Should Know". Writes at http://ciamweekly.com
EU's HowToEnjoy @howtoenjoydoteu.bsky.social Discover joy in EU events, music, press, tech, tourism, travel, wine, etc., on linktr.ee/HowToEnjoyDotEU. Unleash fun, from villages in Europe to European cities & tourist hotspots. Embrace essence of union via lens of 27 countries | NGO | HowToEnjoy.eu
Michaรซl van de Giessen @tubby.nl Java web developer at http://intractief.nl , #satisfactory gamer, #lanparty fossil, #UX freak, #coderdojo and #devoxx4kids mentor, actually partly javanese https://tubby.nl
Jens Knipper @jensknipper.de Software Engineer working for @openvalue.eu
Blogging on jensknipper.de
Christos Kotselidis @kotselidis.net Associate Professor at The University of Manchester
Chief Engineer Nimble Innovation
Project Lead #TornadoVM
#Java #AI #GPU
@tristan51.bsky.social @tristan51.bsky.social 
Tech Talks Weekly @techtalksweekly.bsky.social A free weekly e-mail with all the recently published Software Engineering conference talks & podcasts.
Join ๐ฅ +10K readers who stopped scrolling through messy YouTube subscriptions and reduced FOMO ๐ https://techtalksweekly.io/
Whittmann @whittmann.bsky.social Software Engineer, Writer, curious about distributed social media applications
Mari Donkers @photonsphere.org Synaptic Technopath ยฏ\_(ใ)_/ยฏ Can you feel the vibe?
The Synaptic Technopath is the nomad of the information age, whose territory is not a place, but a sequence of connections.
https://photonsphere.org
Kris Hofmans @khofmans.bsky.social Likes to design, develop, deploy software, entrepreneur. Tries to improve the industry with Triple D
Alejandro Serrano Mena @serranofp.com ๐จโ๐ป Researcher @ Kotlin Evolution @ JetBrains
๐งโโ๏ธ Passionate about FP (mostly Arrow & Haskell)
๐ Author of 4 books
Artem @artemy.nl err and err and err again, but less and less and less
Martin Bonnin @mbonnin.net Chocolate Droid Officer ๐ซ
Keep Android Open: https://f-droid.org/en/2026/02/20/twif.html
Simon Vergauwen @vergauwensimon.bsky.social Developer Advocate @ JetBrains
#Kotlin since 2015
@arrow_kt maintainer
Mรกrton Braun @zsmb.co Developer Advocate @ JetBrains, working on Kotlin and Compose Multiplatform, KMP tooling, and Amper.
Instructor @ BME-VIK. Co-organizer @ Android Budapest. GDE for Android. Ex-Google.
zsmb.co
Ivan โCLOVISโ Canet @ivcanet.bsky.social Kotlin developer & teacher @ 4SH, learn more about me: ivan.canet.dev
Open source at https://opensavvy.dev โข @opensavvy.techhub.social.ap.brid.gy
Organizing the Kotlin Bordeaux User Group at https://bordeauxkt.io
Gitte Klitgaard @nativewired.com Keynote speaker, trusted advisor, curious, Keeper of the Weird, Good Omen fan, friend, offer of hugs, unicorn, learner & more :)
Want us all to be kind to each other
May skeet in bad Swedish.
Have space for new clients.
Cis, she/her
Stรฉphane Philippart @wilda.bsky.social #father, #dev, #devops #agile #geek #inlove
Cofondateur de https://tadx.fr ๐ฅ
๐ฆ @wildagsx
๐@wildagsx@pouet.chapril.org
๐ฆ @wilda.bsky.social
Pamela Hill-Galloway @pamelaahill.bsky.social Kotlin Developer Advocate @ JetBrains
Johannes Rabauer @rabauer.dev โ Java coder @xdev.software | ๐ค AI wrangler | ๐ค Conference speaker | ๐ฎ Full-time dad, part-time gamer
Rafael Winterhalter @rafaelcodes.bsky.social software consultant who likes static typing, coding at http://github.com/raphw ๐ง๐ป๐ฉ๐ช๐ช๐บ
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.
Wouter Bauweraerts @wbauweraerts.bsky.social Java Developer | Musician | Cyclist ๐ง๐ช๐๐ถ๐ค๐ป
Ingo @lasombra-br.bsky.social Engineering Manager @ IBM. Heavy Metal lover. Amateur photographer. MMA fan. Eternal learner. Opinions my own.
James Ward @jamesward.com Just another nerd with a podcast: happypathprogramming.com
And a book:
effectorientedprogramming.com
Simone Romani @simoneromani.bsky.social Senior developer and engineering manager at ING. TDD enthusiast. Striving to improve my code every day, Iโm on Bluesky so that I can follow the latest trends of software development.
CodeLabJUG @codelabjug.bsky.social A Java User Group (JUG), hosting hands-on workshops across the Netherlands. Learn by doing in an interactive and inspiring environment.
JUG Noord @jugnoord.bsky.social Java User Group for the northern Dutch provinces with a focus on JVM languages such as Java and Kotlin. We'll be hosting events in both Friesland and Groningen.
Organisers: @johanhutting.bsky.social @paulienvanalst.bsky.social @lutskedev.bsky.social
Auth0 by Okta @auth0byokta.bsky.social Secure access for everyone. But not just anyone.
Oracle ACE Program @oracleace.bsky.social Recognizing the community for their contributions. Learn more about the ACE Program @ http://ace.oracle.com
Georgios Andrianakis @geoand86.bsky.social Principal Software @ Red Hat, working on Quarkus, Langchain4j and others
Gerald Benischke @beny23.github.io Maker, breaker and fixer of software. Adventures in #appsec and #agile: beny23.github.io he/him
Jan @janplas.bsky.social I dabble in Software Engineering, and have been known to get paid for it.
Herten>Roermond>Limburg>The Netherlands>Europe>Earth
Hadi Hariri @hadihariri.com SVP of Operations @ JetBrains.
Sรฉbastien Deleuze @seb.deleuze.fr Spring AI/Framework @ Broadcom, #WebAssembly since 2016, ex @mixitconf.orgโฌ staff. https://seb.deleuze.fr
@lizeraes.bsky.social @lizeraes.bsky.social 
Mike @ KCDC @mhartington.io Devrel at JetBrains
Angular GDE
Mediocre at best
he/him
npx mhartington
Stefan Hildebrandt @hildebrandttk.bsky.social 
Heinz Kabutz ๐ ๐ฌ๐ท ๐ฟ๐ฆ โ๏ธ @heinzkabutz.com Author of mildly entertaining and somewhat useful #Java Specialistsโ Newsletter. Email is heinz at javaspecialists dot eu.
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
Jan Ouwens @jqno.nl Developer โฆ Java/JVM โฆ EqualsVerifier โฆ speaker โฆ @yoink.nl but opinions mine โฆ ๐จโ๐ฉโ๐ง โฆ ๐ณ๐ฑ๐ช๐บ โฆ ๐๐ป โฆ ๐ โฆ ๐บ๐ฆ๐ป โฆ he/him
Nate Schutta @nts.bsky.social Java Champion. Speaker. Author. Architecture Monkey. Storyteller.
http://ntschutta.io
Piet van Dongen @pietvandongen.com (Software) enthusiast @openvalue.eu. Value hypothesis loop focused. iSAQBยฎ Accredited Software Architecture Trainer. He/him.
Chris Romkema @c-romkema.bsky.social Software engineer @ OpenValue Utrecht.
Jim Grisanzio @grisanzio.bsky.social Building FOSS Communities https://grisanzio.com/ #foss #opensource
Anthony Goubard @anthony-goubard.bsky.social โ Java Developer (since 1995)
๐ป Founder of Japplis (japplis.com) desktop utilities
๐พ Created Ant Commander Pro file manager (antcommander.com)
Michel van Dongen @michelvandongen.bsky.social Director Software Engineering at adesso NL | Manager Blue4IT | co-leader Utrecht Java User Group
Portland Java User Group @pjug.bsky.social Portland Oregon
Cristian Schuszter @cschuszter.bsky.social Geek
Michele Mauro @michelemauro.bsky.social Passionate developer, sometimes professor, sometimes international speaker. Java, Kotlin, Scala (not much ๐). Browncoat, Kitsune๐ฆ, he/him.
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. ๐ต๐น๐ฎ๐ช๐ช๐บ๐บ๐ฆ
Nick Taylor @nickyt.online Dev Advocate & Software Engineer @pomerium.io
GitHub Star | AAIF Ambassador | Microsoft MVP | AWS Community Builder
๐ Montrรฉal ๐จ๐ฆ
โ๏ธ OneTipAWeek.com
๐๏ธ youtube.com/@nickytonline
๐ nickyt.online
@boukenijhuis.bsky.social @boukenijhuis.bsky.social 
Pasha Finkelshteyn ๐ฉ๐ชโฌ
๏ธ๐ท๐บ(โก๏ธ) @asm0dey.site Developer advocate for @BellSoft
Love people, both listen and talk to
https://asm0dey.site/
Ron Veen @ronveen.bsky.social Life Long (Java) Developer, Special Agent, Conference speaker and book author
Sander Verbruggen @sanderv.bsky.social Java/Kotlin developer, coffee geek, casual RPG gamer. Personal blog: https://sanderverbruggen.com/
Joรฃo Esperancinha @jesperancinha.bsky.social Linktr.ee:
https://linktr.ee/jesperancinha
Software Engineer content creator:
DailyMotion:
https://www.dailymotion.com/jofisaes
YouTube
https://www.youtube.com/@jesprotech
Homepage articles
https://joaofilipesabinoesperancinha.nl/#/blogs
Steve Poole @spoole167.bsky.social 
Rabea Gransberger @rgransberger.bsky.social Mother of 2 Kids (2019, 2021), Java Developer, Java Champion
Franรงois Papon @openobject.fr ๐ทโโ๏ธ CTO & Founder https://www.yupiik.com
โ๏ธ Java & ๐ข Kubernetes Enthusiast
๐ชถ Apache Member & PMC
๐ฅ Open Source Advocate
๐ Sharing tech insights for developers and architects
๐โโ๏ธ Runner
๐ธ Guitarist
๐พ https://github.com/fpapon
@tomvdbulck.bsky.social @tomvdbulck.bsky.social 
Benjamin Nothdurft @dataduke.bsky.social ๐ค Community, Leadership, Java, Cloud
๐
8x Oracle ACE Pro, JUG Leader
๐ San Francisco, CA <> Jena, GER
๐ www.linktr.ee/dataduke
Jeroen @commjoenie.bsky.social Project leader #OWASP #WrongSecrets, dad, PSA
Momatwork @momatwork.bsky.social devoxx4kids / LITTIL / yarn / singing / java / agile family / yoga / barcelona / flow metrics / jduchess / sports / nerdy things (things I love in no particular order)
Jess @jessicamorfey.bsky.social Jessica. London. Often in the US. Social media manager. Model. Silly goose. ๐ชฟ
Tired of seeing Elons annoying face, so here I am! ๐ค
Arjen (a.k.a. credmp) @arjenwiersma.nl Hacker && Software developer. I use Emacs, macOS and Linux. love Java and Rust.
Matthias @matkoch.dev developer advocate at @jetbrains.com | creator of @nuke.build
Theresa Mammarella @t-mammarella.bsky.social JVM engineer at IBM and Toronto JUG Co-organizer.
Pierre-Antoine Grรฉgoire (zepag) @zepag.fr Geek, photography enthusiast, Open Source and Devops fan, organizer of #YaJUG and #voxxed_lu conference
Eugene Auduchinok @auduchinok.bsky.social F# support in JetBrains Rider
github.com/JetBrains/resharper-fsharp
๐Amsterdam
Kris Howard @web-goddess.org Blogger, knitter, crafter, social media addict. Formerly at Canva & AWS. Recovering from 20 years in the tech industry. | ๐ฆ๐บ๐บ๐ธ she/her
Andrew Stellman ๐พ @andrewstellman.bsky.social Author, developer, team lead, musician.
Author of O'Reilly books including Head First C#, Learning Agile, and Head First PMP.
Solving complexity with simplicity.
Elias Nogueira ๐ง๐ท๐ณ๐ฑ @eliasnogueira.com Java Champion | Senior Principal Software Engineer | Speaker | Writer | Oracle ACE | Java Magazine NL | OSS
Marco Vermeulen @marc0der.bsky.social Open-source advocate and FP JVM developer. Bass player, Linux enthusiast, and wannabe gamer.
Creator of SDKMAN! https://sdkman.io
Co-author of Manning's FP in Kotlin: https://bit.ly/fpinkotlin
JavaZone @javazone.bsky.social JavaZone 2026, Norwegian Java conference, takes place on September 2-3, 2026, at Nova Spektrum, Lillestrรธm near Oslo.
www.javazone.no
Hinse ter Schuur @coduinix.bsky.social ๐ณ๐ฑ Software Engineer @ SDB | #Java | Speaker ๐ฃ | he/him
Rijo Sam @rijosam.com Java Chapter Lead @ ABN AMRO | Public Speaker
Loves Java โ | Cycling ๐ด๐ฝโโ๏ธ | Burgers ๐
rijosam.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/
Hubert Klein Ikkink @mrhaki.com Love to develop applications with gr8 technologies at JDriven. Interested in #java, #groovy, #clojure, #kotlin, #asciidoctor, #micronaut, #gradle. โจhttps://www.mrhaki.com ๐ณ๐ฑ๐ช๐บ๐ณ๏ธโ๐
Dynatrace @dynatrace.com Dynatrace transforms the complexity of modern digital ecosystems into powerful business assets.
Learn more at https://dynatr.ac/3NyzuMe.
Gijs L @tubanter.bsky.social Family / nerd / Java / Groovy / Gradle / Micronaut / golf / running / yoga / piano / LEGO / Autonomy, Mastery & Purpose / Twente / Catalunya
Fofo๐ฅ๐ฅ @aichalaafia.bsky.social Java Software engineer โ |Speaker๐๐ป | Green Tech Advocate ๐ | WomenTechmakers Ambassador๐ฉ๐ปโ๐ป | JetBrains Community Contributor | Foodie lover & F1 ๐ fan โจ๏ธ
๐ฅผ Piotr Przybyล @piotrprz.bsky.social Software Gardener. Java Champion. Docker Captain. Edutainer. Speaker. Trainer. ะฅัะดะพะถะฝะธะบ. Honorary Bavarian. ๐จโ๐ป๐จโ๐พ
#Java #Testcontainers #Linux #Programming
softwaregarden.dev
Views are mine, impressions are yours.
Pratik Patel @prpatel.dev master builder of nachos
software . technology . not a bot
Dervis Mansuroglu @dervis.bsky.social Leading the Norwegian JUG in Oslo, Java Champion, speaker, developer and principal officer at NAV IT (Norwegian gov).
Angie Jones @angiejones.tech Tech's Favorite Auntie
VP Eng, AI Tools & Enablement @ Block
#techgirl1908
Arun Gupta @arungupta.bsky.social 
Rodrigo Graciano @graciano.bsky.social Java Champion, NYJavaSIG leader, Software Engineer
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.
๐ Boulder, CO ๐๏ธ
Brian Demers @bdemers.io Father, Geek ๐ค, Beekeeper ๐, Java Champion โจ๏ธ, and Developer Advocate ๐ฅ at Gradle
Brian Benz @bbenz.bsky.social Microsoft AI Advocate. Certified stunt coder
Paco van Beckhoven @devpaco.bsky.social ๐จ๐ญ๐ Software engineer @hexagon_dr |
Studied software engineering @UvA_Amsterdam | Conference speaker | Running | Climbing | Skating | Gaming
Paulien van Alst @paulienvanalst.bsky.social Software engineer and speaker @OpenValue | Kotlin - Java | @Kotlin | @JUGNoord co-organiser | ๐ณ๐ฑ๐ซ๐ท
https://sessionize.com/paulien-van-alst/
Giovanni van der Schelde @handle.invalid Java developer๐งโ๐ป, trainer ๐, speaker ๐ฃ๏ธ, and open source contributor ๐
I wouldnโt be able to do my job without the endless and incredible support of the entire Java community. Thatโs why I believe itโs essential to contribute wherever and whenever you can.
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.
Miro Wengner @mirowengner.bsky.social @Java_Champions, @oracleace, Software Engineer, OpenJDK, @Robo4J, Published Author, father, husband, data geek and dreamer
https://partnerships.packt.com/interview-with-miroslav-wengner/