Senior iOS Software Engineer - Barcelona
Core
Building privacy-first consumer products (Proton Pass, Payments, VPN) on Apple platforms for millions of users globally.
Role type
Senior iOS Software Engineer
Builds
Privacy-focused mobile applications (password management, encrypted financial tools, VPN)
Domain
Consumer Privacy / Mobile Security
Deliverable
production ML models | product features
Required skills
iOS application development, scalable mobile architectures, performance optimization, concurrency, mobile memory management, mentoring engineers, navigating ambiguity
Preferred skills
Privacy/security/encryption knowledge, sync systems, offline-first architectures, Rust
Technologies
iOS, Apple platforms, Rust
Responsibilities
Build and ship high-quality experiences on Apple platforms, collaborate with product and design teams, mentor engineers, contribute to technical discussions
Seniority
Senior, hands-on IC