Yannick Stephan
Principal AI Engineer at A5 Labs
Zurich, Zurich, United States
Summary
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Rockstar🎓
Top SchoolYannick Stephan is a Principal AI Engineer based in Zurich with 11 years of experience blending generative AI, ML research and production-grade software engineering. He has progressed from senior software roles in media and mobility to leading ML/R&D across healthcare and consumer products, now driving AI initiatives at A5 Labs after recent stints at Roche and WritePAL. Trained at Mines Paris and ENSICAEN with a master’s in Data Science & Machine Learning and a background in software architecture, he bridges theoretical models and pragmatic system design. Known for shipping end-to-end ML systems in cross-functional teams, he also contributes to open-source and brings a rare mix of deep engineering rigor and product-focused experimentation. An understated strength is his long-running experience across both startup and enterprise contexts, enabling fast iteration without sacrificing reliability.
11 years of coding experience
9 years of employment as a software developer
Bachelor's degree Industry and Sustainable Development (STI) Sciences and Technologies, Bachelor's degree Industry and Sustainable Development (STI) Sciences and Technologies at Institut LemonnierMaster's degree Data science & Machine Learning, Master's degree Data science & Machine Learning at Mines Paris - PSLMaster's degree Architect Software Engineering, Master's degree Architect Software Engineering at ESCCILicentiate degree Computer Engineering, Licentiate degree Computer Engineering at ENSICAEN - Ecole Nationale Supérieure d'Ingénieurs de Caen
English, French, Spanish
Stackoverflow
10,759reputation
3.5mreached
98answers
1question
singleton
top-1%
uiimage
top-5%
watchkit
top-5%
swift
top-1%
ios
top-5%
height
top-5%
Github Skills (200)
uipageviewcontroller10
beautifier10
infinite-scroll10
python10
ui-components10
gradio-interface10
render10
game-center10
storekit10
ios-library10
apple-tv10
gradio10
singleton10
retrieval-augmented-generation10
deep-learning10
Programming languages (7)
Github contributions (5)
YanSte/RSNA-MICCAI-Brain-Tumor-Classification-AI
May 2023 - Aug 2023
Predict the brain tumor subtype present in a given MRI based on radiomic characteristics.
Contributions:2 PRs, 146 pushes, 6 branches in 3 months
aiclassificationprediction-modelpython
YanSte/pydantic-ai
Dec 2024 - Jan 2025
Agent Framework / shim to use Pydantic with LLMs
Contributions:195 pushes, 7 branches in 1 month
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