Jérôme Sanz
Android Software Engineer at Trainline
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolJérôme Sanz is an experienced Android engineer and founder with a decade-plus of hands-on experience building mobile and Wear OS applications, now working at Trainline from Barcelona. He has led technical feature ownership and sensor integrations for TAG Heuer’s Connected watch, optimizing battery life, real-time sport algorithms, and polished Compose-based UIs for wellness, golf and multisport use cases. As founder of Norulab he delivered product-focused Android apps, embedded C++/OpenGL features and training programs, blending startup agility with practical teaching. His background spans consumer apps, industrial robotics diagnostics, and privacy-focused tooling, showing a rare mix of wearable performance tuning and UX-driven product thinking. Comfortable across Kotlin, Jetpack, Compose, MVVM and Clean Architecture, he prioritizes autonomy, clean implementation and measurable product value. An unspoken strength is turning complex sensor and graphics challenges into smoothly performant wrist and mobile experiences that delight users.
9 years of coding experience
5 years of employment as a software developer
EpitechMaster of Science, Master of Science at SUPINFO
French, Spanish, Catalan, English
Stackoverflow
3,873reputation
1.9mreached
94answers
97questions
android
top-5%
Github Skills (101)
image-downloading10
android-camera9
gauge9
rating9
camera9
android-application9
nintendo9
switch9
chat9
image9
caching9
kotlin9
android9
android-library9
android-view8
Programming languages (7)
Github contributions (5)
Norulab/android-exoplayer-fullscreen
Feb 2020 - May 2021
Contributions:11 releases, 60 commits, 48 pushes in 1 year 2 months
FormationAndroid/iPlant-base
Nov 2020 - Aug 2021
Contributions:17 pushes, 1 branch in 8 months
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