Senior Backend Engineer — Build Private-by-Default Platforms
proton tehnologies · London, United Kingdom ·
- Seniority
- Senior
- Category
- Backend
Senior backend engineer designing and building shared libraries and internal services across Proton products, owning architecture in a large monorepo and working with PHP and Rust.
Proton Technologies AG is seeking a senior backend engineer to design and build shared libraries and internal services used across Proton products. You will own architecture decisions within a large monorepo, ensure clean boundaries between libraries and services, and work with product teams through RFCs and design reviews.
You will contribute to PHP backend systems and Rust components where performance and memory safety matter, shaping the future of Proton's API-first platform while