Senior Frontend Engineer – Secure, Encrypt-Driven React/TS

Company: Proton
Apply for the Senior Frontend Engineer – Secure, Encrypt-Driven React/TS
Location: London
Job Description:

Proton is looking for a Senior Front‑end Engineer to enhance our secure note‑taking platform. You will play a crucial role in evolving our technology, focusing on client‑side architecture and usability while working closely with cross-functional teams.

This position involves developing user experiences, transforming specifications into technical requirements, and fostering a collaborative team environment. The ideal candidate has expertise in JavaScript, TypeScript, and React.

We offer a supportive work culture with benefits, including stock options, flexible working, and comprehensive health insurance.

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Posted: June 21st, 2026