Proton

Senior Android Software Engineer - Paris

Proton
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18 days ago
Paris, FranceSenior

Responsibilities

  • Build and ship high-quality Android experiences using Kotlin and Jetpack Compose.
  • Own features end to end, from scoping and technical design through delivery and iteration.
  • Develop maintainable, scalable, and testable mobile architectures.
  • Work across large codebases and collaborate with product, design, and engineering teams.
  • Mentor engineers and raise the technical bar within the team.
  • Address Android performance, concurrency, multithreading, memory management, caching, network usage, responsiveness, and offline behavior.
  • Contribute to Proton’s shared Rust core and privacy-focused consumer products.

Requirements

  • Extensive experience building and shipping high-quality Android applications with Kotlin.
  • Strong experience with Jetpack Compose and modern Android development practices.
  • Experience owning features from technical design through delivery and iteration.
  • Strong experience building maintainable, scalable, and testable mobile architectures.
  • Experience collaborating across multiple teams and working in large codebases.
  • Experience mentoring engineers.
  • Strong understanding of performance, concurrency, multithreading, and mobile memory management.
  • Understanding of mobile scalability, including caching, network usage, responsiveness, and offline behavior.
  • Comfort navigating ambiguity and contributing to product and technical discussions.
  • Experience with privacy, security, encryption, synchronization systems, or offline-first architectures is a plus.
  • Rust experience is a plus but not required.

Benefits

  • Stock options and an opportunity to become a company owner.
  • Hardware and software needed to do the job.
  • Learning and development investment with substantial ownership from day one.
  • Health coverage, retirement options, generous leave, and wellness support.
  • Paris office-based collaboration with most work performed in person.
  • Free lunch and snacks in the office.
  • Coverage for public transport, bike allowances, or parking.
  • Flexible working hours and schedule.
  • Annual gross compensation range of EUR 60,000 to EUR 115,000.

Tech Stack

Jetpack ComposeKotlinRust

Categories

Mobile
Proton

About Proton

501-1,000 employees
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