Senior Frontend Engineer

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

Urban Linker recherche un Frontend Engineer pour intégrer l'équipe Software Platform & Applications à Paris. Vous serez en charge de concevoir et développer le frontend d'une application SaaS tout en travaillant en étroite collaboration avec les équipes Product, Backend et Mobile. Les missions incluent la production de code de haute qualité et la...

Outsight is seeking an experienced frontend engineer to redefine how humans interact with live spatial tracking. You will translate real-time coordinates, semantic timelines, and AI agent feedback into accessible web applications and dashboards.Join an international team in Paris and contribute to responsive, multi-tenant interfaces that render streaming...

Deezer is seeking a Senior Front End to lead architectural improvements and deliver scalable web apps using TypeScript, React and a component-driven design system. You will collaborate with CRM & Ad teams to support Deezer’s engagement strategy while maintaining high performance and security.The role is based in Paris with a hybrid policy (10 days per...

Achil recherche pour le compte d'un client une scale-up française de mobilité et d'assurance, un Frontend Engineer React / React Native (F/H/X). CDI, cadre forfait jour, rémunération 60-70K€; télétravail 2 jours à Paris 19ème ou full remote France métropolitaine; présence à Paris 1 fois/mois pour le remote complet.Vous rejoindrez une équipe...

Sorare is seeking a Senior Frontend Engineer to design and implement high-quality web experiences for our global fantasy sports platform. You will work closely with product, design, and backend teams to ship features that enable fans to engage with official digital cards and live games.Based in Paris, this hybrid role offers opportunities to optimize...

Doctolib is seeking a talented Engineering professional to design and maintain a scalable Web and mobile Design System. The ideal candidate will excel in React Native development and ensure a consistent and accessible user experience across applications.With a focus on knowledge sharing and mobile-first design practices, you will collaborate with...

A next-generation defense firm in Paris is seeking a skilled Front-End Engineer to build the Human-Machine Interface for their tactical Command and Control system. This role involves developing interactive maps and real-time video streams, ensuring high-performance benchmarks, and collaborating with cross-functional teams. Candidates should have a deep...

DataDome delivers real-time bot and agent trust management, enabling businesses to trust the intent behind their traffic—human, bot, or AI agent. Named a Leader in The Forrester Wave™ for Bot And Agent Trust Management Q2 2026, DataDome is trusted by enterprises like Etsy, PayPal, and Soundcloud. Acting as a traffic control plane, DataDome's...