ph3About Proton /h3pJoin Proton and build a better internet where privacy is the default. Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by millions globally to protect their freedom, fight censorship, and keep their data safe. In some situations, Proton has literally helped save lives! /ppWe are profitable, independent (no VC control), and selectively hire from the top 1% of applicants. Our 500+ team members across 50+ countries come from leading organizations and elite academic backgrounds. We move fast, keep hierarchy light, and prioritize impact over optics. If you want to do meaningful work with exceptionally high-caliber people, this is it. Join us and do work you can truly be proud of. Check our open‑source projects here! /ph3ProtonVPN RD Team /h3pProtonVPN runs on a distributed architecture of Linux servers and a set of apps available on each major platform (Windows, Android, iOS, macOS, and Linux) that interact with our infrastructure. /ppAs a member of the ProtonVPN Research and Development team, you will work on maintaining the security of ProtonVPN’s infrastructure, improving its overall performance, designing and implementing new features. On any given day, you might code in C or Rust, script in Python or Lua, create patches for the Linux kernel, or debug system-level issues on different operating systems. You will work in close collaboration with the entire ProtonVPN development team on any outstanding projects. You will face unique and varied challenges that will require continuous learning. /ph3What you will do /h3ulliBeing an active member of the ProtonVPN RD team /liliCollaborating with app developers to help solve the various complex challenges related to (but not limited to) the networking stack of Linux, macOS, iOS, Android, and Windows systems /liliHelping develop innovative solutions to improve the connectivity, stability, performance, scalability, security, and resilience of ProtonVPN’s infrastructure and client software, and extend their functionality /liliContributing to existing open-source projects or creating new ones /li /ulh3What we are looking for /h3ulliExpert-level knowledge of operating system internals /liliExpertise with network protocols and implementation /liliA documented track record of contributions to system-level projects and applications /liliExperience with software development /liliUnderstanding of the principles of quality assurance /li /ulh3Bonus points for /h3ulliExpertise in Windows, macOS, or Linux system development /liliExtensive experience working with Linux kernel, Windows drivers, or macOS system extensions development /liliStrong understanding of system programming languages (C/C++, Rust, Go, Python, etc.) /liliExperience with debugging code and code profiling /liliGood understanding of TCP/IP protocol and settings (e.g., congestion algorithms) /liliStrong understanding of VPN protocols (particularly OpenVPN and WireGuard) /liliExperience with cryptography concepts (e.g., TLS certificates and public key infrastructure) /li /ulh3What We Offer /h3ulliWork 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. (read more about our impact here) /liliStock Options: at Proton, we all have the opportunity to be owners of the company. From day one, you have a real stake in what we're building. When Proton wins, you win. /liliTechnology: you'll get the right hardware and the right software you need to do your best work. /liliLearning Development: we invest in your growth because sharp people make us better. Proton is one of the fastest ways to accelerate your career because you'll be thrown into real challenges, with real ownership, from day one. /liliEmployee Benefits: your wellbeing isn't an afterthought. We offer strong health coverage, solid retirement options, generous leave, and wellness support so you can bring your best self to work every day /liliIn-Person Collaboration: Amazing things happen when passionate, smart, and purposeful people get together in the same room. With offices across Geneva, Zürich, Barcelona, London and more, you'll spend most of your time collaborating face‑to‑face with people who genuinely care about what they're building /liliFood: Lunch and snacks are on us every day in our offices so you can focus on the work and not on what's for lunch. /liliTransport: getting to the office shouldn't cost you. We cover public transport, bike allowances, or parking, whichever works for you. /liliFlexible Working: you own your schedule. Set hours that work for you and your team — because outcomes matter more than when the clock says you started. /li /ulh3Our Commitment to Diversity and Inclusion /h3pAt Proton, we believe diversity drives innovation and strengthens our mission to provide privacy as a default for all. We are committed to fostering an inclusive environment where all individuals, regardless of race, ethnicity, gender, age, sexual orientation, physical ability, or socio-economic background, feel valued and empowered. We strive to create equal opportunities, promote open dialogue, and support continuous learning to ensure every voice is heard and respected. /ppIf you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know. /ph3Candidate Privacy Notice /h3pWhen you apply for a position, refer a candidate, or are considered for a role at Proton Technologies AG (Proton, we, us, or our), your information is stored in Greenhouse, in accordance with their Service Privacy Policy. This information is used to evaluate your suitability for the posted position. We also retain this information for consideration for future roles that you may apply for or that we believe may align with your background and skills. /ppIf we no longer have a legitimate business need to process your information, we will either delete or anonymize it. Should you have any inquiries about how we use or manage your information, or if you wish to access, correct, or delete your data, please contact our privacy team at /ppProton does not accept unsolicited resumes from any sources other than directly from candidates. We will not pay a fee for any placement resulting from an unsolicited offer, even if the candidate is subsequently hired by Proton. /ppTo learn more about our privacy policy, please visit our privacy policy page. /p /p #J-18808-Ljbffr
