As a fullstack cross‑platform Android Engineer, you will develop Proton Inbox using Jetpack Compose and Rust, owning end‑to‑end delivery of scalable, high‑quality mobile solutions.
Key responsibilities
- Develop and maintain cross‑platform mobile applications for Android using Kotlin and Rust.
- Take end‑to‑end ownership of mobile application development projects, scoping work, managing timelines, and prioritising what matters.
- Foster a culture of innovation by exploring new technologies and approaches to mobile development.
- Optimise applications for performance, usability and responsiveness across a range of devices and screen sizes.
- Master memory management, multithreading and concurrency mechanisms to enhance performance.
- Design for scalability, considering data caching, network bandwidth and server load.
- Prioritise customer satisfaction by maintaining a customer‑centric mindset and iterating on feedback.
The ideal candidate will bring
- Bachelor’s degree in Computer Science, Engineering or related field (or equivalent experience).
- Excellent problem‑solving skills and the ability to think creatively to overcome challenges.
- Passion for continuous learning and driving change in mobile development.
- Excellent communication and interpersonal skills.
- Proficiency with Jetpack Compose for Android and familiarity with Rust.
- Strong understanding of mobile app architecture, design patterns and best practices.
- Knowledge of memory management techniques and best practices.
- Experience with multithreading and concurrency in mobile applications.
- Good understanding of scalability considerations for mobile apps.
- Previous experience working in a fast‑paced, scale‑up environment.
What we offer
- Work that matters: millions rely on Proton for privacy; your work has a tangible impact.
- Technology: you get the right hardware and software to do your best work.
- Learning & Development: we invest in your growth and give you real ownership from day one.
- Employee Benefits: strong health coverage, solid retirement options, generous leave and wellness support.
- Stock Options: you can become an owner of the company and share in its success.
- In‑Person Collaboration: offices across Geneva, Zürich, Barcelona, London, and more for face‑to‑face teamwork.
- Food: lunch and snacks provided in all offices.
- Transport: we cover public transport, bike allowances or parking.
- Flexible Working: you control your schedule; outcomes matter more than hours.
Our commitment to diversity and inclusion
We believe diversity drives innovation and strengthen our mission to provide privacy as a default. All individuals, regardless of race, ethnicity, gender, age, sexual orientation, physical ability or socio‑economic background, are valued and empowered.
Candidate privacy notice
When you apply, your information is stored in Greenhouse in accordance with our Service Privacy Policy. It is used to evaluate your suitability for the posted position and may be retained for future roles that align with your background and skills. Once the business need no longer exists, we will delete or anonymise your data. For inquiries about how we manage your data, contact our privacy team at careers@proton.ch.
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