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Senior Software Engineer (Inbox Desktop)

Proton· CC - Engineering - Inbox
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Hybrid (London, Geneva)full-timePosted 7mo ago

About the role

Senior Software Engineer driving the Proton Mail Desktop App and related desktop clients within the Inbox Desktop team, focusing on cross-platform Rust-based development and a strong emphasis on security, privacy, and user experience.

Responsibilities

  • Research: Assessing new technologies, supporting cross team and cross business unit technical decision making.
  • Work breakdown: Transforming product specifications into technical requirements and lead your team to their successful implementation.
  • Product development: Ensuring high-quality user experiences within our product portfolio by implementing, deploying and maintaining existing and new features.
  • Scalability: Enhancing software development lifecycle, tools, and processes to improve developer experience and to ensure our solutions are scalable.
  • Coding: Writing clear, concise and testable code to maintain and elevate the quality of our codebase.
  • Project management: Managing the scoping, planning and execution of new features, technical initiatives and greenfield projects.
  • Mentoring: Fostering a culture of learning, creativity, and accountability for the best possible work through mentorship and team development, role modelling quality assurance and performance optimization.

Qualifications

  • Experience with Rust programming language, or strong background in modern C++ and Rust pet projects
  • Desktop software development for Windows and Linux cross-platform desktop applications
  • Familiarity with UI frameworks (e.g. Avalonia UI, Qt, Electron)
  • Product mindset with focus on UX and business metrics
  • Engineering leadership with architectural decision making and scalable solutions
  • Collaborative skills and distributed team experience
  • Problem-solving and secure coding practices
  • Bachelor's or Master's degree in CS, Software Engineering, or related field

Skills

Required:RustDesktop application developmentUI frameworksSecurity and privacy
Nice to have:C++

Benefits

  • Office First with European office network (Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, Taipei)
  • Hybrid/remote flexibility up to 30% of time
  • Technology opportunities across greenfield and existing systems
  • Lunch and snacks provided at offices
  • Transport subsidies or allowances
  • Stock options
  • Flexible working hours
  • Learning and development opportunities
  • Comprehensive health insurance, retirement savings options, vacation and leave policies, wellness programs
Last updated Jul 9, 2026. Interested? Apply on the company site.

About Proton

Privacy by default

Proton was started in 2014 by scientists who met at CERN and shared a vision of an internet that defends freedom and puts people first.

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