The Role

Based in our London office, you’ll join one of several high‑impact product teams across Proton Mail, Proton Drive, Proton Wallet/Payments and Proton Account, helping build privacy‑first products used by millions around the world. Whether it’s secure communication, encrypted cloud storage, or the future of private financial tools, you’ll work on technically ambitious products with real‑world impact. As a senior engineer, you’ll collaborate closely with product, design, and engineers across Proton to build and ship high‑quality experiences on Apple platforms, helping define what “great” looks like for privacy‑focused consumer products at scale.

What we are looking for

• You have extensive experience building and shipping high‑quality iOS applications
• You care deeply about product quality, usability, and delivering exceptional user experiences
• You have strong experience building maintainable, scalable, and testable mobile ...