Samuel Gagnepain
Senior Frontend Developer at Hotjar
France
Summary
👤
Senior🎓
Top SchoolSamuel Gagnepain is a Senior Frontend Developer based in France with 10 years of experience building user-facing products and platform services for companies like Hotjar and Prezi. He specializes in modern frontend stacks (React, Angular) while retaining full-stack fluency from earlier backend roles (Java, Python, Django) and production ops on AWS. At Hotjar he focuses on dashboard UX, global filtering and user-attribute services, and previously owned recording playback and viewer features at Prezi, showing a knack for complex client-side state and performance. Comfortable in English-speaking, remote teams, he pairs disciplined scrum delivery and incident response with hands-on testing and deployment work. Unusually for a frontend specialist, his background includes medical imaging viewers and large-scale telecom and railway backend systems, giving him strong cross-domain engineering perspective.
10 years of coding experience
8 years of employment as a software developer
Master's degree, Additional skills in informatics, Master's degree, Additional skills in informatics at Université de NantesMaster, Civil and Urban engineering, Master, Civil and Urban engineering at Institut national des sciences appliquées de Rennes
Github Skills (58)
javascript10
electron10
css10
open-source10
chrome10
chartjs-plugin10
nodejs10
visualization9
chartjs9
charts9
windows9
snap9
svg9
cubing9
js9
Programming languages (5)
Github contributions (5)
Winbee/turn-to-chart
Oct 2022 - Nov 2022
Library which renders an HTML chart based on markdown or csv tables
Contributions:8 releases, 64 commits, 18 PRs in 1 month
csvmarkdownchart
Winbee/cashcash-desktop
Dec 2020 - Apr 2022
The accounting app for visual people
Contributions:6 releases, 1 review, 59 commits in 1 year 3 months
accountingreactweb-appvuevuejs
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