Julien Seren-rosso
Self Employed
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolJulien Seren-rosso is a Senior Web Developer based in Paris with 13 years of experience building polished frontends and mobile experiences across startups, agencies, and public sector projects. He currently contributes to Trackdéchets at the French Ministry of Ecological Transition and to beta.gouv.fr, applying his UI/UX focus to regulatory and civic platforms that require clarity and reliability. A strong React, Vue and React Native practitioner, Julien has deep experience integrating 3D workflows (Sketchfab) and shipping iOS apps in Swift, bridging visual craftsmanship with engineering rigor. He’s comfortable moving between product thinking and hands-on implementation—having led product-facing engineering work, mobile leads, and freelance engagements. Known for meticulous interfaces and pragmatic solutions, he brings a mix of government-grade robustness and startup agility to complex front-end problems.
12 years of coding experience
9 years of employment as a software developer
Bac S - Mention Bien - Européen Anglais, Bac S - Mention Bien - Européen Anglais at Notre-Dame Saint-SigisbertManager des Systèmes d'Information, Systèmes d'information, Manager des Systèmes d'Information, Systèmes d'information at Exia.Cesi
French, English, German
Stackoverflow
21reputation
3kreached
0answers
2questions
Github Skills (49)
expressjs10
des10
picture-in-picture9
react-component9
validation9
tinder9
exchange9
react9
collectionview8
koloda8
gekko8
bitcoin8
trading-bot8
nodejs8
market-maker8
Programming languages (7)
Github contributions (5)
ReedBear/DiscordBot
Dec 2015 - Nov 2016
Contributions:3 PRs, 2 pushes, 1 branch in 11 months
discord-jsdiscorddiscordjsjavascriptbot
kornifex/react-dsfr
Jul 2022 - Aug 2022
Non-official React components of the official french Système de Design de l'État.
Contributions:5 pushes in 18 days
reactdesign-systemreact-componentstatfrench
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