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 (74)
icon-pack10
mobile-development10
storybook10
styled-components10
system10
react-native-expo10
hybrid10
styled-system10
javascript10
movie10
heroicons10
app-framework10
docz10
browser10
react-framework10
Programming languages (5)
Github contributions (5)
WTTJ/welcome-ui
May 2019 - Jan 2023
Customizable design system from Welcome to the jungle (@wttj) with react, typescript, styled-components, ariakit and a lot of love 💛 Here you'll find all the core components you need to create a delightful webapp.
Contributions:99 releases, 452 reviews, 782 commits in 3 years 9 months
styled-systemxstyledlotstyled-componentsreakit
theo-mesnil/github-actions
Aug 2022 - Sep 2023
Test actions for github
Contributions:1 review, 165 PRs, 75 pushes in 1 year 1 month
testingjest
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