Requirements

Proven front-end expertise with deep technical knowledge of browser internals, extension APIs, and desktop application frameworks.
Deep understanding of the Javascript ecosystem.
Proficiency with TypeScript or type-safe programming paradigms.
Strong understanding of software engineering best practices, Design patterns, CI/CD.
A product mindset with a focus on offering the best user experiences.
Experience working in a distributed team.

Nice to Haves

Experience with modern MV3 browser extension development.
Experience with Electron or similar desktop application frameworks.
Experience with browser extensions and/or cross-platform web applications.
Experience working with service-worker architectures.
Experience with WebAssembly and/or Rust.
Experience with breaking down product requirements into architecture design and implementation.
Experience with event-driven systems.
Familiarity with UX, accessibility and localization concerns.
Experience with application monitoring strategies.
High-level understanding of cryptography concepts such as key exchange and the difference between symmetric and asymmetric encryption.

Develop new features: Developing, deploying and supporting high-quality user experiences, including feature development and implementation.
Collaboration: Work closely with backend, product owners, designers, QA, and other engineers to take initiatives from ideation to completion. Break down large initiatives into smaller milestones to gather stakeholder feedback quickly.
Code review and optimization: Conduct code reviews and provide constructive feedback to ensure code quality, maintainability, and performance optimization.
Testing: Develop and implement comprehensive testing strategies, including unit tests and end-to-end testing tests, to ensure the reliability of the Proton Pass product.

Work that Matters: Millions of people trust Proton with their privacy. We answer only to our users — not advertisers, not investors with conflicting agendas, not governments. The work you do here is real, and the impact is measurable.
A great Team: Our team is diverse, collaborative, and tight-knit with people coming from all walks of life, including many of the world’s top academic institutions and organizations.
Technology: You'll get the right hardware and 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.
Employee Benefits: Strong health coverage, solid retirement options, generous leave, and wellness support.
Stock Options: At Proton, we all have the opportunity to be owners of the company.
In-Person Collaboration: Amazing things happen when passionate, smart, and purposeful people get together in the same room.
Food: Lunch and snacks are provided daily.
Transport: We cover public transport, bike allowances, or parking.
Flexible Working: You own your schedule.