Théo Mesnil
Lead Front-End Developer at PMU
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolThéo Mesnil is a Lead Front-End Developer based in Paris with 10 years of experience building polished web and mobile interfaces using React, React Native and TypeScript. He has driven large migrations and product initiatives at Canal+, Leboncoin and Welcome to the Jungle, where he co-created and governs the welcome-ui design system. Comfortable bridging product, design and engineering, he regularly leads epics, CI improvements and cross-team upgrades to keep platforms modern and maintainable. Now shaping partner-facing experiences at PMU, he combines hands-on implementation with design-system stewardship and a background in UX and visual design from his early freelance work. Colleagues value him for pragmatic technical decisions and for turning legacy codebases into durable, component-driven platforms.
10 years of coding experience
16 years of employment as a software developer
Bachelor of Sciences with Honours (BAC+4), Ecole d'ingénieur en Informatique, Bachelor of Sciences with Honours (BAC+4), Ecole d'ingénieur en Informatique at SUPINFOBaccalauréat Scientifique Option Sciences de l'ingénieur, Scientifique, Baccalauréat Scientifique Option Sciences de l'ingénieur, Scientifique at Lycée Poirier de Gissac (Guadeloupe)
French, English
Github Skills (60)
accessibility10
icon-pack10
netflix10
movie10
ios10
mobile-development10
react-native10
vercel10
wai-aria10
static-site-generator10
css10
app-framework10
typescript10
typescript-react10
nextjs10
Programming languages (5)
Github contributions (5)
theo-mesnil/smovie-expo
Oct 2019 - Jan 2022
[New] New version with more examples: https://github.com/theo-mesnil/WhatToWatch [Old version] Smovie is the simplest and fastest way to discover movies, series and actors. With React Native, Expo and themoviedb 🎥
Contributions:124 commits, 1 PR, 82 pushes in 2 years 3 months
react-nativereactnativethemoviedb-api
theo-mesnil/dotfiles
Sep 2020 - Feb 2026
Contributions:1 PR, 8 pushes, 1 branch in 5 years 5 months
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