Willem Jan Glerum @wjglerum.nl Principal Software Engineer @ Lunatech
https://wjglerum.nl
Jens Knipper @jensknipper.de Software Engineer working for @openvalue.eu
Blogging on jensknipper.de
Spring @spring.io 
Loรฏc Magnette @lomagnette.bsky.social Java developer | AI agents with LangChain4j & Quarkus | BeJUG co-organizer | Conference speaker | Wildlife lover
danielroe @danielroe.dev ๐ก https://roe.dev
โ building @nuxt.com โข @npmx.dev โข @nitro.build โข https://elk.zone
๐ https://page-speed.dev โข https://firstcommit.is โข https://react-to-nuxt.com
๐
Google GDE โข Microsoft MVP โข GitHub โญ๏ธ
he/him
signal: danielroe.57
๐งโโ๏ธ โท๏ธ ๐ดโโ๏ธ โ๏ธ
๐ edinburgh ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ
Ted Neward @tedneward.bsky.social Big geek
Lou Creemers @louella.dev Microsoft MVP | โค๏ธ .NET | Uni teacher | Board member of the .NET Foundation ๐ | Proud dad joke lover | ๐ณ๐ฑ
Home Assistant @home-assistant.io Open source home automation that puts local control & privacy first. Powered by a worldwide community of tinkerers & DIY enthusiasts.
Modern Software Engineering @modernswe.bsky.social The Modern Software Engineering Channel โก๏ธ https://www.youtube.com/@ModernSoftwareEngineeringYT
รredev @oredev.org International conference for software developers, taking place in Malmรถ, Sweden! Mark your calendar for a 20 year celebration: 4-6 November 2026 ๐
https://linktr.ee/oredev
Conference Director @maydbs.bsky.social
Producer @hannagustavsson.bsky.social
Barcelona Developers Conference @devbcn.bsky.social DevBcn conference
๐ Barcelona ๐๏ธ 8-10th July 2025
โก๏ธ JVM, Python, JScript, DevOps, Agile, AI, Cloud
๐ฉโ๐ป 800+ attendees ๐ 3 days ๐ฃ๏ธ 70 speakers
๐ https://www.devbcn.com
Wouter Bauweraerts @wbauweraerts.bsky.social Java Developer | Musician | Cyclist ๐ง๐ช๐๐ถ๐ค๐ป
@lizeraes.bsky.social @lizeraes.bsky.social 
Susanne Pieterse @susivic.bsky.social ๐ฉ๐ปโ๐ป๐ณ๐ฑ Senior DevOps Engineer & iSAQB Certified Software Architect | Microsoft MVP
#innovation #genAI #java #Azure #RAG #LLM
Alexander Chatzizacharias @glycin.bsky.social 
Voxxed Days Thessaloniki @vdthess.bsky.social Voxxed Days Thessaloniki offers passionate developers the best place to network, hack, be inspired and learn. It helps all the people that wish to get informed about the latest trends and take a deep dive into cutting-edge technologies.
Voxxed Days Crete @voxxeddayscrete.bsky.social VoxxedDays is coming to Crete!
๐
26 - 27 September, 2025
๐ Cultural Conference Center, Heraklion
VOXXED Days is a series of Tech Events focused on Javascript and Html5, Java and JVM languages, Mobile Development, Cloud and Big Data.
@josroseboom.bsky.social @josroseboom.bsky.social 
Rick Ossendrijver @rickossendrijver.bsky.social 
Dutch_OsintGuy @dutchosintguy.bsky.social Dutch guy with Open Source Intelligence & Analysis skills โข OSINT โข Certified Instructor @SANSInstitute โข SVP of Engineering& Chief Innovator @ shadowdragon.io
Raphael De Lio @raphaeldelio.dev AI Engineer | Software Engineering | Building AI agents @ Redis (@redis.io)
https://raphaeldelio.com | https://youtube.com/raphaeldelio | https://linktr.ee/raphaeldelio
@boukenijhuis.bsky.social @boukenijhuis.bsky.social 
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.
Devoxx Genie @devoxxgenie.bsky.social DevoxxGenie is an IntelliJ IDEA plugin that supports Local & Cloud based LLMs to create, review, test, explain your code ๐ง
More info @ https://genie.devoxx.com
Belgian Java User Group @bejug.bsky.social Java now, Java always :)
Devoxx Greece @devoxxgreece.bsky.social Devoxx Greece is a 3-day conference taking place from April 23rd to 25th, 2026, at the Athens Megaron International Conference Center.
Devoxx Poland @devoxxpl.bsky.social Next edition: 11 - 13 June 2025, Krakow, Poland
Conference for Software Developers.
Especially, but not only, those on JVM and Java.
Utrecht Java User Group @utrechtjug.bsky.social The official JUG of Utrecht and proud JCP Partner
Michel van Dongen @michelvandongen.bsky.social Director Software Engineering at adesso NL | Manager Blue4IT | co-leader Utrecht Java User Group
Emmz ๐ป๐ธ๐ค๐ณ๏ธโโง๏ธ @rendle.dev rendle.dev - mother of daemons
Keeper of the Profane Keywords. Coder. C# and Zig for profit and fun. Really Good at talking. @linebreakers.band bassist. PubConf World Champion. Chaotic Good. she/they
SDKMAN! @sdkman.io Effortlessly manage multiple Software Development Kits with SDKMAN! A simple CLI for Unix systems to install, switch, and manage SDK versions. Inspired by tools like apt, git and rvm. By developers, for developers! ๐ ๏ธ
Nataliia Dziubenko @nataliiadziubenko.com ๐บ๐ฆ๐ณ๐ฑ Making cool stuff at Azul, passionate about everything Java & JVM https://nataliiadziubenko.com/
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 ๐พ, and sharing knowledge.
Advocating for diversity as a woman in tech.
ApeldoornJUG, JUGNoord,Devoxx4Kids
dimitris Doutsiopoulos @ddoutsiopoulos.bsky.social ๐ฌ Photographer & Creative Director
๐๐ช๐ฏ๐ฅ๐ช๐ฏ๐จ ๐ธ๐ข๐บ๐ด ๐ต๐ฐ ๐ค๐ณ๐ฆ๐ข๐ต๐ฆ ๐ข๐ต๐ฎ๐ฐ๐ด๐ฑ๐ฉ๐ฆ๐ณ๐ช๐ค ๐ด๐ค๐ฆ๐ฏ๐ฆ๐ด
๐ท๐ฅ Events | Conferences | Commercials
๐International Clientele
๐ธโ๏ธ Travel & Explore
Mary Grygleski @mgrygles.bsky.social 
Spring I/O @springio.net A two-day conference full of Spring awesomeness in Barcelona. +1300 attendees. Next edition: 13-15 April 2026
Organized by @sergialmar.com
GOTO Conferences @gotocon.com #GOTO Presents the Brightest Minds in Tech.
Check out GOTO Conferences.
https://gotopia.tech
https://www.youtube.com/@GOTO-
jPrime Conference @jprimeconf.bsky.social 
Kaya Weers @kayaweers.bsky.social Java developer with a great love for innovation | Conference speaker | Likes to play soccer and travel the world
@java-user-groups.bsky.social @java-user-groups.bsky.social 
JCON Conference @jcon.one Java Community Conferences - in-person.
linktr.ee/jcon_conference
Imprint, privacy policy: http://jcon.one
NLJUG - Dutch Java User Group @nljug.bsky.social NLJUG, the Dutch Java User Group founded in 2003, unites software developers, architects, ICT managers, student, and partners interested in Java tech.
www.nljug.org
Paco van Beckhoven @devpaco.bsky.social ๐จ๐ญ๐ Software engineer @hexagon_dr |
Studied software engineering @UvA_Amsterdam | Conference speaker | Running | Climbing | Skating | Gaming
Cees Bos ๐จ๐ปโ๐ป ๐๐๐ โ
@ceesbos.nl Observability enthusiast | Grafana Champion | Java Developer
Always looking for ways to improve software with better observability and what new insights can be gained.
๐ฅ๏ธ @openvalue.eu as a software & observability engineer and SRE.
๐ ceesbos.nl
Gunter Rotsaert @mydeveloperplanet.com Senior Systems Engineer @TriOpSys โก Blogger โก Musician โก Belgian๐ง๐ช living in Holland ๐ณ๐ฑ
Jago de Vreede @jagovreede.bsky.social Java Developer | International Speaker | Automate *everything*
Simon Brown @simonbrown.je Creator of the C4 model and Structurizr | Author | Speaker | Software architecture and diagramming workshops worldwide
LangChain4j @langchain4j.dev Effortlessly build LLM-powered applications in Java, including chatbots, agents, structured data extraction and RAG: https://github.com/langchain4j/langchain4j
Bluesky Safety @safety.bsky.app Sharing updates about trust and safety on Bluesky.
This accountโs mentions are not actively monitored. To report a post or account, use the in-app reporting feature.
Community Guidelines: https://bsky.social/about/support/community-guidelines
DEV Community @dev.to A community of software developers sharing coding resources and general commentary.
Built on Forem, an OSS for building online community ๐ฑ
Join the #DEVCommunity: https://dev.to ๐
Find us in the Fediverse: https://fosstodon.org/@thepracticaldev
@javachampions.bsky.social @javachampions.bsky.social 
@joyofcoding.bsky.social @joyofcoding.bsky.social 
Brian Goetz @briangoetz.bsky.social Java Language Architect at Oracle. Author, Java Concurrency in Practice (http://amzn.to/2nzZnkl). Also, cats.
Roy Wasse @roywasse.bsky.social Director and Founder at OpenValue. Better software, faster! Love the Java ecosystem, interested in AGI, BTC, Philosophy and building out businesses.
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
geecon @geecon.bsky.social Java and JVM based technologies, dynamic languages, enterprise architectures, patterns, distributed computing, AI and more
https://geecon.org/ Krakรณw, 14-15 May 2026
Jfokus @jfokus.se Jfokus is all about developers!
Check out the conference: http://www.jfokus.se
Voxxed Days Luxembourg @lu.voxxeddays.com Voxxed Days conference in Luxembourg. Organized by @yajug.bsky.social. https://luxembourg.voxxeddays.com/en/#registration
Voxxed @voxxed.com Sharing expert knowledge on Java, JVM, Methodology, Cloud, Mobile & Future tech. Follow us for tutorials, presentations and interviews.
Voxxed Days Zรผrich @voxxedzurich.bsky.social Community Developer Conference in Zurich, Switzerland, taking place on 25 March 2025.
Amsterdam Java User Group @amsterdamjug.bsky.social 
Brabant JUG @brabantjug.nl Java User Group for the province of North-Brabant. Community for anyone interested in Java and Open Source in or around Brabant.
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!
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
Jaap Coomans @handle.invalid Father | Husband | Developer | Java | Kotlin | @brabantjug.nl leader | Speaker | Craft beer sampler | Board game player | Willem II ๐ดโช๐ต| He/him
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
RotterdamJUG @rotterdamjug.bsky.social Follow this account to get updates on meetings by the RotterdamJUG (Java User Group).
Apeldoorn JUG @apeldoornjug.bsky.social Bringing together Java developers in the Apeldoorn area (The Netherlands). Follow us to keep up with events in the community! The Apeldoorn Java User Group is an initiative of Belastingdienst, Kadaster, Luminis & Profit4Cloud.
www.meetup.com/apeldoornjug
Lgd. Viktor Klang @viktorklang.com Architect, Java Platform Group at Oracle.
โก๏ธViews are my own. โก๏ธ
Patrick Debois @jedi.be At the intersection of Generative AI , DevOps and anything in the SDLC - AI Native Development and Infrastructure
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/
Mattias Karlsson @matkar.bsky.social Jfokus founder, Java Champion, JUG leader, Software Vagabond, Family father, Motorcyclist & Kiva supporter. Check out @jfokus.bsky.social
Johan Janssen @johanjanssen.bsky.social Architect at ASML. Conference speaker, JavaOne Rock Star. Chocolateynuget Java packages. InfoQ Java news author.
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
Arun Gupta @arungupta.bsky.social 
Julien Lengrand-Lambert ๐ฅ๐ @lengrand.fr Head of Developer Relations ๐ซ๐ท๐ณ๐ฑ๐ช๐บ๐บ๐ฆ โจ Sucker for good #DX, #kotlin #GoogleDevExpert โจ, Editor ๐ณ๐ฑ #Java magazine . Growing my own food. #devrel #climate
๐ https://lengrand.fr/
Tim te Beek @timtebeek.github.io Staff software engineer at Moderne, where I'm the community lead for OpenRewrite.
Ixchel Ruiz @ixchelruiz.bsky.social Assiduous traveler, Software Developer, Java Champion, CDF Ambassador, Open Source advocate, public speaker and mentor.
Roy van Rijn @royvanrijn.com Director of OpenValue Rotterdam, is a @Java_Champions, founder of Rotterdam JUG, public speaking: Java, AI, math, algorithms
Soham Dasgupta @iamsoham.bsky.social Technology enthusiast | GenAI & Java Geek | Cloud Native | Blogger | Speaker | Microsoft | Azure Cloud Architect | Opinions are my own
(Vibe-d) Portfolio: https://sohamdasgupta.com/
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
๐
Ivar Grimstad @theguywiththeduketattoo.com Java Champion | Jakarta EE Developer Advocate | The guy with the Duke tattoo
https://jakarta.ee/community/developer-advocate/
Nicolai Parlog @nipafx.dev Java enthusiast with a passion for learning and sharing. Developer Advocate at Oracle but views are my own.
Benjamin Marwell โ @bmarwell.de #JakartaEE-Dev, Musician & Tech-Blogger.
Uses #Linux. @maven.apache.org PMC and ASF member.
IBM Champion 2022.
๐๏ธ are my own.
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
@java-champions.bsky.social @java-champions.bsky.social 
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.
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
@dev2next.bsky.social @dev2next.bsky.social The conference to learn, apply, and improve our craft; spearheaded by @venkats.bsky.social
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/
JNation ๐ต๐น May 26 & 27 - 2026 @jnationconf.bsky.social The Java, Javascript, devops, security and Artificial Intelligence Conference in Portugal.
May 26 & 27 2026.
https://jnation.pt
Voxxed Days Amsterdam @amsterdam.voxxeddays.com Accelerate your skills at Voxxed Days Amsterdam on April 1st and 2nd, 2026! The conference for the next generation of developers.
Devoxx France @devoxx.fr ๐ค Devoxx France ๐ค
Confรฉrence pour les dรฉveloppeurs & dรฉveloppeuses
๐ Paris Palais des Congrรจs
๐ RDV du 7 au 9 avril 2027 pour la 15รจme รฉdition !
Balkrishna Rawool @balarawool.bsky.social Java | Spring | OOP & FP |
Debugging apps using System.out.println() since 2003.
Quarkus @quarkus.io Supersonic Subatomic Java
Foojay, the Friends Of OpenJDK @foojay.io Foojay.io is the central resource for the Java communityโs daily โinformation needs, a place for friends of OpenJDK, โand a community platform for the Java ecosystemโ โ bringing together and helping Java professionals everywhere.โ
Frank Delporte @frankdelporte.be #JavaOnRaspberryPi - My "social media focus" is on Mastodon at foojay.social/@frankdelporte, and I will crosspost here. Sorry for the double content if you follow me on both...
Devoxx Belgium @devoxx.com Devoxx Belgium 2026 : 5 - 9 October in Antwerp
Devoxx UK @devoxx.uk A Developer Community Conference
Ray Tsang @saturnism.me Loves Java, Cloud, and Developer Productivity. Java Champion.