Simon Brown

@simonbrown

Creator c4model.com & structurizr.com | Author "Software Architecture for Developers" | Software architecture and diagramming workshops worldwide.

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Stephan Janssen ☕️🧠🧞‍♂️

@stephan007

Founder @Devoxx @Devoxx4kids, @BeJUG and @DevoxxGenie | Co-founder @Voxxed - Founder JCS int. acq by RealDolmen ('02) bsky.app/profile/stepha…

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Tim te Beek

@timtebeek

Staff software engineer at Moderne, where I'm the community lead for OpenRewrite.

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Sharat Chander @sharatchander.bsky.social

@sharat_chander

🏳️‍🌈 🇺🇸 🇮🇳 🇺🇦 🇮🇱 🇵🇸 | LEGACY VERIFIED | #Java #DevRel leader | 💜 @u2 & @DepecheMode | @UofMaryland & @LoyolaMaryland grad | Views are mine own

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Venkat Subramaniam

@venkat_s

Programmer, author, speaker, founder Agile Developer, Inc., co-founder of @dev2next Conference, professor @CSatUH

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Dan Vega

@therealdanvega

🍃 Spring Developer Advocate @Broadcom ☕️ Java Champion 📹 YouTuber bit.ly/3zJb93b 🎙️ Podcast bit.ly/3Tzi0CO 🤖 ByteSized AI bit.ly/3XYv87j

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Roy van Rijn

@royvanrijn

Director of @OpenValue Rotterdam, is a @Java_Champions, founder of @RotterdamJUG, public speaking: Java, AI, math, algorithms 🪨 (also @royvanrijn.com bs)

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Peter Wessels

@peterwessels

IT Consultant @ Info Support B.V. - Tweet op persoonlijke titel | (he/him)

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Elias Nogueira 🇧🇷🇳🇱

@eliasnogueira

Java Champion | Senior Principal Software Engineer | Speaker | Writer | Oracle ACE | Java Magazine NL | OSS

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Hubert Klein Ikkink

@mrhaki

Love to develop applications with Gr8 technologies @jdriven_nl mastodon.online/@mrhaki

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Geertjan Wielenga

@geertjanw

Senior Director of Open Source Projects @AzulSystems @foojayio (foojay.io), Amsterdam Java User Group, @TheASF @NetBeans PMC Chair, and @Java_Champions.

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Mattias Karlsson

@matkar

Jfokus founder, Java Champion, JUG leader, Software Vagabond, Family father, Motorcyclist & Kiva supporter. Check out @jfokus

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IntelliJ IDEA, a JetBrains IDE

@intellijidea

The IDE for Pro Java and Kotlin Development, by @JetBrains Tips: #IntelliJIDEATips New Features: #NewInIntelliJIDEA Our YT channel jb.gg/video

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Soham Dasgupta

@iamsoham

Technology enthusiast | Java Geek | Cloud Native | Blogger | Speaker | Microsoft | Azure Cloud Architect | Opinions are my own

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Gergely Orosz

@gergelyorosz

Writing @Pragmatic_Eng, the #1 technology newsletter on Substack. Author of @EngGuidebook. Formerly Uber & Skype.

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Hanno Embregts 🎤🎸

@hannotify

Java Champion 🏆 Oracle ACE Pro ♠️ Java Developer by day ☕️ Musician by night 🎸 A bit of both at conferences 🎤 @InfoSupportBV 👨🏼‍💻 @JavaMagazineNL 📝

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José Paumard

@josepaumard

#Java #DevRel @Oracle, bartender #JEPCafe and dev.java, Java Champion Alumnus, JavaOne Rockstar. josepaumard.bsky.social

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João Paulo Gomes 🇧🇷 🇳🇱 @[email protected]

@john_owl

Father, Programmer medium.com/@johnowl blog.johnowl.com

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Diederik Smit

@diederiksmit

-comedian - elke vrijdag columnist bij @DitisdeDag op NPO Radio 1 -schrijver en vaste sportredacteur voor De Avondshow - co-presentator Makkelijk Scoren

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Maarten Mulders 💙💛

@mthmulders

Architect, trainer & speaker @InfoSupportBV. Also @Java_Champions and @oracleace. Other: food, music & photography. Views are my own; interpretations are yours.

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Jonathan Vila 🥑 ☕️ -🇪🇺🇪🇸🇵🇷

@vilojona

Staff Developer Advocate 🥑 #Java @sonarsource | @Java_Champions | @BarcelonaJUG organiser | @Dev_Bcn & @JBCNConf cofounder | Ex @RedHat

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Stichting Skepsis

@skepsisnl

Skepsis stelt zich ten doel buitengewone beweringen aan een kritisch onderzoek te onderwerpen. Lees ons blad Skepter! Of de nieuwsbrief: bit.ly/4glS8Ut

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Deepu K Sasidharan

@deepu105

@[email protected] @jhipster co-chair. Developer 🥑 @okta. Polyglot dev/Speaker/Author. @Java_Champions. Java, Rust, JS, DevOps. ADHD.

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Anton Arhipov

@antonarhipov

Developer Advocate @ JetBrains youtube.com/@AntonArhipov #java #kotlin #ai #creativecoding #bass #synth & #kettlebells t.me/circleart

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Hasnae

@dviqueen

Staff engineer @SafetyCultureHQ / maker of Confluence @Atlassian / Java and OpenJDK at ❤️ / Go student ... I work on Java compiler for fun / Docker Captain

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Robert Scholte

@rfscholte

Founder and CEO of @Sourcegrounds, @Java_Champions, former chairman of @ASFMavenProject, member expertgroup JSR376, projectlead QDox, member Mojohaus

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Holly Cummins ([email protected])

@holly_cummins

@RedHat - Senior Principal Software Engineer, working on @QuarkusIO. Ex-IBM. Java Champion, developer, author, #cloud surfer and maker. My views are my own.

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Bert Jan Schrijver

@bjschrijver

CTO @OpenValue, JUG leader @NLJUG. J-Fall/Spring organizer, @Java_champions, @iSAQB, JavaOne Rockstar, Duke’s choice award winner, Java/architecture/CD/DevOps.

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Ramon Wieleman

@r_wieleman

Founder of @CodeNomadsNL | Conference Speaker | Interested in Productivity, Software Technology, Media, Sports | Certified Beer Taster

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Rutger Bregman

@rcbregman

Historian. Books: 'Utopia for Realists' (2014), 'Humankind' (2020) and 'Moral Ambition' (forthcoming, 2025). Co-founder of The School for Moral Ambition. 🔸

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🥼 Piotr Przybyl 🌻☮️ #StopStupidWar

@piotrprz

Java Champion. Testcontainers Champion. Software Gardener. DevAdv for @Elastic. Edutainer. Speaker. Trainer. 👨‍💻👨‍🌾 Views are mine, impressions are yours.

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Swen Vincke @where?

@laratlarian

making a game

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Thomas Vitale

@vitalethomas

Software Engineer 📚 Author of “Cloud Native Spring in Action” 🛳️ CNCF Ambassador 🎙️ International Speaker 👨‍💻 OSS. Work with Java, Cloud Native, AI.

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Erik Meijer

@headinthebox

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Balkrishna Rawool

@balarawool

Java | Spring | OOP & FP | Software Engineer @ingnl

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Sam Basak

@samjbasak

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bye bye, I'm not here anymore

@jrosaproenca

Left when the blue bird turned into a red flag.

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Wouter Bauweraerts

@wbauweraerts

Converting coffee into code. Spreading my - constantly growing - knowledge and humble opion in blogs. Exploring the world on 2 wheels

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DevoxxUK 🇬🇧

@devoxxuk

7-9 May, 2025 | A Developer Community Conference Watch all the recorded talks from previous years on our YouTube channel: youtube.com/DevoxxUK

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Java Champions

@java_champions

The official Twitter account of the Java Champions, an exclusive group of Java technology and community leaders. Mastodon mastodon.social/@JavaChampions

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Eudris Cabrera

@eudriscabrera

Software Developer - JUG Leader @JavaDominicano - Organizer @JConfDominicana - Linux User - OpenSource Enthusiast-Baseball Lover-{Merengue,Salsa and Bachata}

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💻☕ Richard Fichtner

@richardfichtner

@XDEVSoftware, Loves Java ❤️☕, @Java_Champions, Founder JUG Oberpfalz, Co-organizer @jcon_conference, @IBMChampions, @oracleace, Vaadin Champion, Dongolorian

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Ronald Dehuysser

@rdehuyss

Developer in ${enter your preferred stack here} | Co-JUG organizer | full-time #opensource developer | creator of @JobRunr. Bad in #socialmedia.

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Andrew McCalip

@andrewmccalip

Building spacecraft @vardaspace. Circumnavigating world @ projectbob.xyz. Art @ doge-fin.com Former: Co-Founder Cosine Additive, acquired by GE

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Marit van Dijk ☕️🥑

@maritvandijk77

Software Developer | Java Champion | Java Developer Advocate @ JetBrains | International Keynote Speaker | Pronouns: She/her

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Аlina Yurenko 🇺🇦

@alina_yurenko

Ukrainian. Work with Java, GraalVM, and Spring Boot. @GraalVM & @OracleOSS at Oracle. 🐈🐕💃🪩. Support 🇺🇦⬇️

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Johan Janssen

@johanjanssen42

Architect at ASML. Conference speaker, JavaOne Rock Star. Chocolateynuget Java packages. InfoQ Java news author. @johanjanssen.bsky.social

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Brian Vermeer

@brianverm

Java Champion | Staff Dev🥑 at @Snyksec | JUG leader @NLJug & @virtualJug | Java | Security | Dutch Air Reserve | Taekwondo Master | Views are my own

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Alex Chatzizacharias

@glyc1n

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Gunter Rotsaert

@mydevlprplanet

Senior Systems Engineer @TriOpSys ⚡ Blogger ⚡ Musician ⚡ Belgian🇧🇪 living in Holland 🇳🇱 Enthusiastic about software development, mainly Java ☕ oriented.

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René Schwietzke

@reneschwietzke

Tester and Java Developer, Passionate Performance Dude. Working at Xceptance. Public speaker #JVM #Java #Performance #QA #Quality @[email protected]

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Bárbara Teruggi (She/Her)

@bantera13

Security Architect | Opinions expressed are my own

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Foojay.io

@foojayio

foojay.io: a place for friends of OpenJDK (bit.ly/join-foojay-sl…)! Twitter handle run by @geertjanw, @ypoirier, @bazlur_rahman, @tobiasbriones_!

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Marek Machnik

@marek_fm

🇵🇱/🇳🇴, software engineer, hiker, program coordinator @JavaZone 2022, 2023 and 2024

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Paul van der Slot

@paulvdslot

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Kotlin Dev Day Conference

@daykotlin

2024

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BekendeDeveloper

@bekendedevelopr

Instead of a BN'er we now have a BD'er (a bekende developer) You want to be in that list? You need to share knowledge and eat StroopWafels!

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DEVWorld Conference

@devworld_conf

DEVWorld is the Leading Festival of Tech for Teams and the Global Developer Community 🗓️ 27-28 Feb 2025 🇳🇱 RAI Amsterdam 🤝 7,500 Engineers Joining

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Industrial Annihilation

@indannihilation

The upcoming sequel to Planetary Annihilation - factory building meets RTS! Learn more at industrialannihilation.com

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Rick Ossendrijver

@rick_ossies

Software Engineer @Picnic.

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Utrecht Java User Group

@utrechtjug

Utrecht Java User Group is the official @Java User Group of #Utrecht 🇳🇱 and proud JCP Partner Member.

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Sessionize.com

@sessionizecom

Easily manage Call for Papers, Speakers and Agenda for your conference!

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Devoxx Greece

@devoxxgr

Devoxx Greece 2025 (third edition) takes place from April 10th until the 12th in the Athens Megaron International Conference Center.

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Kelly Jille 🇺🇦

@kellyjille86

👩🏻‍💻 Java software engineer | 🎤 International keynote & conference speaker | 📚 “(Sharing) knowledge is one of the best gifts one can ever get!”

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Tom Cools

@tcoolsit

DevRel Engineer @TimefoldAI | Conference speaker 🗣️ | #Java | @Java_Champions | @BeJUG Organizer | Teacher and Trainer 👨‍🏫

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Voxxed Cluj Napoca

@voxxedcluj

BY DEVELOPERS, FOR DEVELOPERS! Developer community conference that brings together popular speakers and IT professionals.

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