Requirements
- Extensive experience building and shipping high-quality Android applications using Kotlin
- Strong experience with Jetpack Compose and modern Android development practices
- Care deeply about product quality, usability, and delivering exceptional user experiences
- Experience taking end-to-end ownership of features, from scoping and technical design through to delivery and iteration
- Strong experience building maintainable, scalable, and testable mobile architectures
- Comfortable working across large codebases and collaborating across multiple teams
- Experience mentoring engineers and raising the technical bar within a team
- Strong understanding of performance, concurrency, multithreading, and mobile memory management
- Understand mobile scalability considerations, including caching, network usage, responsiveness, and offline behaviour
- Comfortable navigating ambiguity and contributing to product and technical discussions
Nice to Have
- Experience with privacy, security, encryption, sync systems, or offline-first architectures is a strong plus
- Rust experience is a plus, but not required
Benefits
- Stock Options: at Proton, we all have the opportunity to be owners of the company. From day one, you have a real stake in what we're building. When Proton wins, you win.
- Technology: you'll get the right hardware and the right software you need to do your best work.
- Learning & Development: we invest in your growth because sharp people make us better. Proton is one of the fastest ways to accelerate your career because you'll be thrown into real challenges, with real ownership, from day one.
- Employee Benefits: your wellbeing isn't an afterthought. We offer strong health coverage, solid retirement options, generous leave, and wellness support so you can bring your best self to work every day
- In-Person Collaboration: Amazing things happen when passionate, smart, and purposeful people get together in the same room. With offices across Geneva, Zürich, Barcelona, London and more, you'll spend most of your time collaborating face-to-face with people who genuinely care about what they're building
- Food: Lunch and snacks are on us every day in our offices so you can focus on the work and not on what's for lunch.
- Transport: getting to the office shouldn't cost you. We cover public transport, bike allowances, or parking, whichever works for you.
- Flexible Working: you own your schedule. Set hours that work for you and your team — because outcomes matter more than when the clock says you started.
Work Arrangement
On-site — Barcelona