Inbox Android Engineer — Privacy‑First Mobile Mastery

proton tehnologies; Paris; Sur place; EUR 90 000 - 120 000; Plein temps

Avantages offerts par ce poste

Stock Options

Health coverage

Professional development

Lunch and snacks

Paid time off

Résumé du poste

Proton Technologies AG in Paris is seeking a full‑stack Android Engineer to advance Proton Inbox with Jetpack Compose and Rust, delivering scalable, user‑centric mobile solutions.

You will own end‑to‑end mobile features, collaborate with product and backend teams, and optimize performance across devices. This role offers strong ownership, rapid impact and the chance to contribute to a privacy‑focused product.

Qualifications

• Bachelor's degree in Computer Science, Engineering or related field.
• Excellent problem-solving skills and the ability to think outside the box to overcome challenges.
• Passion for continuous learning and driving change in the rapidly evolving field of mobile development.
• Excellent communication and interpersonal skills.
• Proven experience developing mobile applications for Android using Kotlin.
• 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 when it comes to engineering mobile applications.
• Previous experience working in a fast-paced, scale-up environment.

Responsabilités

• Develop and maintain cross-platform mobile applications for Android using a blend of cross-platform (Rust) and native technologies (Kotlin)
• Take end-to-end ownership of mobile application development projects: you'll be comfortable with scoping projects, walking back from deadlines and discerning what’s important from what’s superfluous
• Foster a culture of innovation by exploring new technologies, methodologies and approaches to mobile development – we tackle complex engineering challenges with creativity and ingenuity
• Optimise mobile applications for performance, usability and responsiveness across different devices and screen sizes
• Master memory management, multithreading and concurrency mechanisms to enhance performance and responsiveness of mobile applications
• Design for scalability, considering factors such as data caching, network bandwidth and server load
• Prioritise customer satisfaction by maintaining a customer-centric mindset throughout the development process, continuously seeking feedback and iterating to improve the user experience

Connaissances

Kotlin

Jetpack Compose

Rust

Android

Mobile development

Memory management

Multithreading

Performance optimization

Formation

Bachelor's degree in Computer Science, Engineering or related field

Description du poste

Proton Technologies AG in Paris is seeking a full‑stack Android Engineer to advance Proton Inbox with Jetpack Compose and Rust, delivering scalable, user‑centric mobile solutions.

You will own end‑to‑end mobile features, collaborate with product and backend teams, and optimize performance across devices. This role offers strong ownership, rapid impact and the chance to contribute to a privacy‑focused product.