Flavien Bonvin
Frontend Engineer at Proton | Privacy by Default
Lausanne, Vaud, Switzerland
Summary
👤
Senior🎓
Top SchoolFlavien Bonvin is a frontend engineer based in Lausanne with nine years of experience building web and mobile products, currently shaping user-facing features at Proton used by hundreds of thousands of active users. He pairs hands-on React/TypeScript work with product-minded thinking—owning features end-to-end from design docs to release—and has been the main frontend contributor to a major plan release. His background spans technical project management and full-stack development (Next.js, Django, Vue, Node), which helps him translate client needs into practical, estimable work. Notably, he contributed UI, accessibility fixes, and Gmail import improvements to ProtonMail’s widely used web client monorepo, demonstrating care for UX and edge-case reliability. Comfortable taking initiative, he balances proposing ideas with clear communication to respect stakeholders’ priorities. His academic focus on information systems management complements his technical craft with a strong sense for product impact and migration challenges.
9 years of coding experience
4 years of employment as a software developer
Master's degree, Business Administration (MSC BA) - Management of Information Systems, Master's degree, Business Administration (MSC BA) - Management of Information Systems at HES-SO Haute école spécialisée de Suisse occidentaleBachelor of Science HES-SO (BSc), Business Information Technology, Bachelor of Science HES-SO (BSc), Business Information Technology at HES-SO Valais-Wallis
French, English, German, Italian
Github Skills (7)
accessibility10
javascript10
react10
webmail10
ui-design9
gmail8
yarnpkg6
Programming languages (9)
Github contributions (5)
ProtonMail/WebClients
Dec 2022 - Mar 2023
Monorepo hosting the proton web clients
Role in this project:
Front-end Developer
Front-end DeveloperContributions:35 commits in 3 months
Contributions summary:Flavien primarily contributed to the front-end aspects of the web clients, focusing on the user interface and user experience. Their work included improvements to the OAuth import selection modal, such as refining wording and functionality related to Gmail scopes. They also fixed accessibility issues and addressed bugs within the Gmail import process, while also working on attachment size tooltips for emails. The user also refactored and updated components related to the settings area for email forwarding.
hostingmonoreporeactwebmailyarn
flavienbonvin/flavien-bonvin
Mar 2024 - Mar 2025
My personal blog 🦆
Contributions:70 PRs, 352 pushes, 66 branches in 1 year
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