Senior iOS Engineer — Privacy‑First, Global Impact

Proton; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Stock options

Health coverage

Lunch & snacks

Job summary

Proton in London is seeking a senior iOS engineer to join our privacy-first product teams. You will build and ship high-quality iOS applications across Proton Drive, Payments and Accounts, working with product, design and fellow engineers to define what great mobile experiences look like at scale.

You will mentor engineers, contribute to architecture decisions, optimize performance, and navigate large codebases while collaborating across multiple teams.

Qualifications

• Experience building and shipping high-quality iOS applications.
• Strong focus on product quality, usability and user experience.
• Maintainable, scalable, and testable mobile architectures.

Responsibilities

• Develop and ship high-quality iOS applications for Proton platforms.
• Collaborate with product, design and engineers to define great user experiences.
• Mentor and raise technical bar within the mobile team.

Skills

iOS development

Mentoring engineers

Performance optimization

Cross-team collaboration

Privacy-conscious design

Tools

Swift

Rust

Job description

Proton in London is seeking a senior iOS engineer to join our privacy-first product teams. You will build and ship high-quality iOS applications across Proton Drive, Payments and Accounts, working with product, design and fellow engineers to define what great mobile experiences look like at scale.

You will mentor engineers, contribute to architecture decisions, optimize performance, and navigate large codebases while collaborating across multiple teams.