Julien Knebel
Freelance UI Designer & Front End Dev at Groupe BPCE
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolJulien Knebel is a freelance UI designer and senior front-end developer based in Paris with 13 years of experience crafting polished, user-centered web interfaces and design systems. He combines strong UI/UX sensibilities with hands-on full-stack JavaScript expertise (React, Vue, Angular, Ember, Node) and has led the creation and deployment of large shared component libraries and BPCE’s Neo design system. As a freelancer he has delivered projects for major clients including BPCE, Oui.sncf, AXA and RATP, often improving mobile conversion and enabling company-wide front-end migrations. Julien has a pragmatic DevOps mindset—managing private npm registries, CI pipelines and web-components—and pursues emerging tech like blockchain, ML and chaos engineering in side projects. Known for mentoring teams and bridging design and engineering, he brings both creative craft and production-grade rigor to product teams.
13 years of coding experience
6 years of employment as a software developer
Autodidacte
French, English
Stackoverflow
221reputation
14kreached
2answers
1question
Github Skills (46)
ecosystem9
non-blocking9
java9
docker9
golang9
crud9
nio8
kotlin8
concurrency8
high-performance8
vertx8
go8
emberjs8
event-loop8
container8
Programming languages (5)
Github contributions (5)
jkneb/julienknebel.com
Jan 2016 - Oct 2024
Contributions:8 pushes in 8 years 10 months
jkneb/street-fighter-css
Dec 2012 - Oct 2017
Contributions:34 commits, 1 branch in 4 years 11 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.