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Join Proton and build a better internet where privacy is the default.

At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online.

Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from invasive practices of Big Tech, and combat censorship. Our work impacts hundreds of millions, from activists defending freedom to government leaders protecting sensitive information. In some cases, Proton's services have been instrumental in saving lives by enabling secure and private communications in high-risk situations.

Proton is a profitable company that does not rely on VC funding, supporting over 100 million user accounts with a growing team of over 500 people from more than 50 countries, drawn from top companies and universities worldwide. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how online business is conducted.

Hiring at Proton is highly selective, with less than 1% of candidates hired. We believe smaller teams of exceptional talent will always outperform larger, less skilled teams. You will have the opportunity to work with many of the world's top minds, including former international math and science Olympiad winners and chess champions.

We have a global mindset and big ambitions but remain a startup at heart. We value empowerment and flexibility, maintaining a flat structure to stay agile and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of, with our open-source projects here!

The Pass Team:

Proton Pass is a secure open-source password manager developed by Proton—the team behind Proton Mail and Proton VPN. Built with end-to-end encryption and a strong commitment to privacy, Proton Pass helps individuals and teams safely manage passwords, 2FA codes, notes, and more. As part of the Proton ecosystem, it integrates seamlessly with other privacy-first tools, ensuring robust protection for your digital identity.

What you will do:

1. Develop new features: Develop, deploy, and support high-quality user experiences, including feature development and implementation.
2. Collaboration: Work closely with backend product owners, designers, QA, and other engineers to take initiatives from ideation to execution, breaking down large initiatives into smaller milestones to gather stakeholder feedback quickly.
3. Code review and optimization: Conduct code reviews and provide constructive feedback to ensure code quality, maintainability, and performance optimization.
4. Testing: Develop and implement comprehensive testing strategies, including unit tests and end-to-end testing, to ensure product reliability.

Job Requirements:

• Proficiency with TypeScript or typesafe programming paradigms.
• Strong understanding of software engineering best practices, design patterns, CI/CD.
• A product mindset focused on delivering the best user experiences.
• Experience working in a distributed team.

Bonus points for:

• Experience with Electron or similar desktop application frameworks.
• Experience with service worker architectures.
• Experience with WebAssembly and/or Rust.
• Experience 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.
• A high-level understanding of cryptography concepts such as key exchange and the difference between symmetric and asymmetric encryption.

What We Offer:

• Office First: Collaboration is more effective in person, with offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also work from home up to 30% of the time, with core days in the office.
• Technology: We provide all necessary devices and software to help you excel.
• Food: Lunch and snacks are provided daily at our offices.
• Transport: We support transportation costs via public transit subsidies, bike allowances, or parking, depending on the location.
• Stock Options: As owners, employees receive stock options upon joining.
• Flexible Working: Define your own hours, aligned with team meetings.
• Learning and Development: We support your growth through training, conferences, and continuous learning.
• Employee Benefits: Health insurance, retirement plans, generous leave, and wellness programs.
• Work that Matters: Proton is community-focused, funded by user subscriptions, trusted by over 100 million users, and committed to putting users and community first. Read more about our impact here.

Our Commitment to Diversity and Inclusion:

We believe diversity drives innovation and strengthens our mission. We are committed to creating an inclusive environment where everyone feels valued and empowered, regardless of race, ethnicity, gender, age, sexual orientation, ability, or socioeconomic background. We promote equal opportunities, open dialogue, and continuous learning to ensure every voice is heard and respected.

If you need support or accommodations during the hiring process, please inform your talent partner.

Candidate Privacy Notice:

Applying or referring a candidate at Proton means your information is stored securely in Greenhouse, used solely for evaluation and future opportunities, and managed in accordance with our privacy policy. You can contact our privacy team for access, correction, or deletion of your data.

Proton does not accept unsolicited resumes from external sources and will not pay fees for such placements.

Learn more about our privacy policy here.

LIONSITE

Required Experience: Senior IC

Key Skills:

APIs, C / C++, Computer Graphics, Go, React, Redux, Node.js, AWS, Library Services, Assembly, GraphQL, High Voltage