Zürich, Switzerland
Top 100 Open Source Contributors in Switzerland
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Zürich, Switzerland
Fabian Affolter
Just another engineer working on Fedora, the Fedora Security Lab and @NixOS. Sporadically also on @home-assistant and @alpinelinux.
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Jonny Burger
Creative hacker @remotion-dev
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Marc Jakobi
Insanity is running the same build over and over again and getting different results.
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Marco Moschettini
CTO & Co-Founder at @cubbit, building geo-distributed object storage. Computer Engineer passionate about distributed systems
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Alan Agius
Angular Team at Google. Loves Angling, Food, Beer & Coffee 🇲🇹 🇨🇭
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Valentin Delaye
Senior DevOps Engineer, GSoC mentor, Governance Board member for @jenkinsci
Lausanne, SwitzerlandBreakdown

Ladislau Szomoru
Visual Studio Code
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Pascal Birchler
Software Engineer @google, working on AI & the web. @WordPress core committer. @WP-CLI maintainer.
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David Dal Busco
"They've done studies, you know. 60% of the time, it works every time." - Brian Fantana
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Pavel Zwerschke
Software Engineering @quantco
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Moritz Hoffmann
Geek, CS PhD
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Marco Roth
Ruby • OSS Contributor • Developer Experience & Tooling • @rails Luminary 2025
Basel, SwitzerlandBreakdown
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janusch
Founder: LichtFeld Studio Professional C++ Software Engineer. Skills: CUDA, Optimization, Golang, Python, Cloud Computing. Available for contracting.
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Tobias
Young Swiss plattform developer.
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PierrunoYT
👋 Hi, I'm Pierre AI enthusiast exploring the future of technology 💻✨
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Alex Kanitz
Hi. I'm a software engineer and bioinformatician working on lab automation.
Basel, SwitzerlandBreakdown

Christian Clauss
Working hard to find and fix bugs in software and to ensure that Python code is properly ported to Python 3. Building related tools and automated systems.
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Alexander Borsuk
Cofounder at privacy-focused, offline @OrganicMaps, creator of MAPS.ME app, founding investor at prescriptive diagnostics for industrial equipment @VibroBox
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François Martin
International Speaker, Author | Oracle ACE Associate | Senior Full-Stack Software Engineer
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Lucas Bremgartner
More than 10 years experience in software engineering. Working with different programming languages and in multiple fields of IT for more than 20 years.
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Jürg Lehni
Works collaboratively across disciplines, dealing with the nuances between technology, tools and the human condition.
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Pascal Vizeli
Founder of Hass.io and Co-Founder of @NabuCasa - board member at @OpenHomeFoundation. Father of 4 amazing children
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Floor
We assemble dedicated engineering teams — human and AI — to build full-stack platforms across web, mobile, and desktop.
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Nicolas QUINQUENEL
Software Engineer @SonarSource · Building SonarQube for IDE, CLI & MCP Server · Developer of kreedz.com
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Anselm Hahn
Likes to Develop
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Lausanne, SwitzerlandBreakdown

Bas van Dijk
I've 20+ years of experience as a Haskell, Rust and DevOps engineer in various roles.
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InstaZDLL
Hello, I am a learner who likes to code 💻 and do a lot of things. I have a lot of ideas but I don't have the skills yet. But soon I will have it 😁
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Arve Knudsen
Full stack software developer, specializing in Go, Rust and JavaScript, living in Lachen, Switzerland. Working at Grafana Labs, developing Grafana Mimir.
Lachen, SwitzerlandBreakdown

Harmen Stoppels
See also @haampie-bot
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Paul Gessinger
Photography, Physics, Web Development
Geneva, SwitzerlandBreakdown
Crans-Montana, SwitzerlandBreakdown
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Jonatan Männchen
CISO & Member Security WG @ErlEF, @ash-project Core Team
Winterthur - SwitzerlandBreakdown

Yann Hodique
coder
Geneva, SwitzerlandBreakdown
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Birk Skyum
@maplibre Co-founder and 3D Graphics Engineer | WebGPU/WAsm | @TanStack Start/Router Maintainer | @solidjs DX
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Yusef Habib
Engineering @dfinity
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Benoit Daloze
TruffleRuby lead, ruby/spec maintainer, researcher interested in Virtual Machines and concurrency
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Christopher Schinnerl
Core Dev @SiaFoundation
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Francisco Ramos
Javascript developer. Javascript evangelist. Javascript obsessive compulsive
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Peak Twilight
Co-Founder @0sec-labs (YC F26) - Making software secure software.
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David Kocher
Father of 👫. Beekeeper 🐝. Hang gliding pilot. Developer of 🦆.
Bern, SwitzerlandBreakdown

Marcin Krawczyk
Javascript developer from *Poland*. Sharing stuff at https://mrck.dev https://www.npmjs.com/~marckraw
Luzern, SwitzerlandBreakdown

luxus
Pentesting Consultant, macOS & nixOS are my friends.
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Kerns, SwitzerlandBreakdown

Bartosz Majsak
Red Hatter by day, Open Source Junkie by night (isn't it the same though?), Conference Speaker by passion, Geek by nature.
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Tobias Oetiker
Creating Open Source since 1994 and still loving it.
Olten, SwitzerlandBreakdown

Solal Pirelli
Scala Compiler Engineer @ EPFL, Switzerland
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James Summerfield
Co-founder & CTO @withcoral
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Rico Suter
Independent Software Engineer and Architect focusing on .NET, Web, Azure and Microsoft technologies. Microsoft MVP.
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Guillaume Fraux
Writing software for atomistic simulation and machine learning
Lausanne, SwitzerlandBreakdown

DeepEntropy
Quant
Geneva, SwitzerlandBreakdown

Johannes Rieken
💻 VS Code since day 0 📆 N+1 years of TypeScript 🚴 riding bicycles
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Mathias Buus
Rød grød med fløde
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UK / Switzerland Breakdown
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Andrés Marafioti
Multimodal Research Lead at Hugging Face.
Bern, SwitzerlandBreakdown
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Oliver Bähler
Always on the run
Bern, SwitzerlandBreakdown
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Joel Barmettler
M. Sc. Artificial Intelligence & Senior A.I. Architect
Zurich, SwitzerlandBreakdown

Dan Lemon
Web developer
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Bénédikt Tran
PhD in post-quantum cryptography. @python core developer, PSRT member, and maintainer of @sphinx-doc.
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Jose Luis Latorre Millas
Coder, architect, forever curious, learning and sharing
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Eduardo Rodrigues
Particle physicist working on the @lhcb experiment @CERN. @scikit-hep project co-founder.
Geneva, SwitzerlandBreakdown
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Gordon Mickel
I lead AI & tech for a 30+ company European PE portfolio. I build open-source dev tools for AI-native teams. Ex-Head of AI @ CISTEC. DocIQ founder. Dad x2
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Daco Harkes
Software Engineer at Google on the Dart compiler and virtual machine team. Mission: Seamless interop between #Dart and native code.
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Pavol Loffay
I'm working on OSS observability systems and Kubernetes
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Fabien Tschanz
Microsoft MVP | PowerShell | Intune | Microsoft365DSC
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Jan Biasi
Senior Software Engineer, co-founder of @seekme-io, passion for electronic music & synths.
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Paillat
Founder @FunctioningSystems Project manager @Pycord-Development
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Savas Vedova
Founder @stormkit-io, Staff Frontend Engineer at GitLab
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Robin Leroy
𒉭𒄿𒈾𒀀𒀊𒁀𒊭𒁾𒎌𒉈𒁍𒌑𒌝 An egg drowning in a sea of papers 𒉭𒀀𒀊𒁀𒁾𒁀𒅗𒁀𒀭𒋢𒋢 一颗在论文海中的蛋
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Patrick Schratz
DevOps, FOSS, #rstats. codefloe.com founder. Public repos migrated to https://codefloe.com/pat-s
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