Geneva, Switzerland · Founded 2014 · 51-200 staff
Proton is a privacy-focused technology company that provides encrypted email, VPN, cloud storage, and other privacy-by-default services. With over 100 million users, Proton enables individuals and organizations to maintain privacy and security online through end-to-end encryption and zero-knowledge architecture.
Roles based in: Barcelona, Geneva, London, London UK, Paris, Skopje
Builds in: Security · Infrastructure · Platform · B2B SaaS · B2C
Seniority: 1 Mid-level · 12 Senior · 2 Lead
Publishes salary on 2 of 26 ads · Hiring engineering roles here since June 2026
Curated from live Proton postings. Click any role for the full brief.
SRE Manager at Proton leading the VPN fleet's reliability and automation efforts in Geneva or Barcelona.
Backend Engineer at Proton building resilient, massively-scalable VPN solutions with a focus on privacy.
Senior Backend Engineer at Proton building shared backend frameworks and internal libraries for privacy-focused products.
Senior DevOps Engineer at Proton in Switzerland responsible for scaling CI/CD infrastructure and advancing GitOps workflows.
Site Reliability Engineer at Proton responsible for designing, building, and operating resilient Storage infrastructure.
Senior Backend Engineer at Proton building secure, privacy-focused services and defining core APIs for a better internet.
Lead engineering teams building mobile applications for millions of users on iOS and Android.
Senior Android Software Engineer in Barcelona building privacy-first mobile applications with Proton Pass Payments and VPN.
Senior Android Software Engineer joining Proton in London to build privacy-first mobile applications.
Build reliable network infrastructure for millions using Python/Go/Rust automation and Kubernetes controllers.
Build observability infrastructure for millions of privacy-focused users at Proton.
Build and maintain core storage infrastructure for a privacy-focused tech company serving 100M+ users.
Build privacy-first iOS apps for millions of users at Proton.
Build privacy-first iOS apps for millions of users at Proton.
Build ML-driven security detections and automate SOC workflows for Proton's privacy-focused products.
Build a private communication platform for millions of users at Proton.
Build and automate global infrastructure for a privacy-focused tech company.
Build Proton Drive's Linux client from scratch for a privacy-focused company.
Build and scale CI/CD infrastructure for Proton's privacy-focused products.
Build agentic AI systems for privacy-focused tech company Proton.
Build privacy-first B2B products for millions of users at Proton.
Build privacy-focused Windows VPN apps for millions of users at Proton.
Build Proton Mail desktop apps for privacy-focused users.
Build privacy-focused Windows applications for millions of users at Proton.
Build and maintain secure VPN infrastructure for millions protecting privacy globally.
Build privacy-focused internet tools for millions, tackling email security and anti-abuse challenges.
No longer open on Proton's site. Kept for reference — saved archived roles stay in your dashboard.
Software Engineer joining Proton's browser product team to build a privacy-first internet browser on desktop.
Lead product security for Proton's privacy-focused applications (Mail, VPN, Drive) across Linux infrastructure.
Architect core backend systems for Proton Mail/Calendar, improving performance and cost efficiency at scale.
Own and automate the web-scale MySQL database platform serving hundreds of millions of users at Proton in Switzerland.
Drive end-to-end data engineering and platform initiatives at Proton's custom on-premise data ecosystem in Switzerland or Barcelona.
Lead Proton VPN's iOS/macOS engineering, raising quality and reliability for millions.
Build a better internet with Proton, a privacy-focused tech company.
Build privacy-first iOS apps for millions of users at Proton, a fast-growing, independent tech company.
Build privacy-first products for millions of users at Proton.
Build privacy-first iOS apps for millions of users at Proton.
Build a better internet with Proton Pass, a privacy-focused password manager.
Build privacy-focused Linux software with Proton, protecting millions globally.
Build scalable payment systems for Proton's global privacy ecosystem.
Build privacy-first Android apps, trusted by millions globally, with a focus on test automation.
Build Proton Mail and Calendar web clients for millions of privacy-conscious users.
Build privacy-first web experiences for 100M+ users at Proton.
Build payment features for millions of privacy-focused users at Proton.
Build Proton's marketing technology stack using Python and PHP for millions of privacy-conscious users.
Build privacy-first AI interfaces for Proton's Lumo AI, empowering millions globally.
Lead Proton VPN's iOS/macOS engineering team to enhance privacy and reliability.
Build and scale privacy-focused infrastructure for millions of users at Proton.
Scale Proton's database platform for millions of privacy-focused users.
Build privacy-focused Android apps with Jetpack Compose and Rust for Proton.
Build privacy-first B2B products for millions of users at Proton.
Build and automate testing for Proton's privacy-focused iOS apps, ensuring quality for millions.