Senior Windows Engineer

Overview Join to apply for the Senior Windows Engineer (Drive) role at Proton . At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Proton provides free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail and has expanded to Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. We support over 100 million user accounts with a growing team and value intelligence, learning potential, and ambition in our hiring process. We have a global mindset, operate with a flat structure to move fast, and offer opportunities for growth while staying mission-driven. This role focuses on designing, building, maintaining, and evolving Proton applications on Windows, with collaboration across teams for backend integration when needed. What you will do Be part of a small team bringing a \"privacy by default\" solution to Windows clients. Develop an application that is usable by both laypeople and technical users, ensuring robust end-to-end privacy and simplifying complexity where possible. Invest in testing and automation to improve productivity and software delivery cadence. Think critically about dividing problems into iterations of simpler, composable solutions and adjust scope to meet objectives on time. Insist on high standards for application monitoring and alerting to ensure a smooth customer experience. We are looking for Strong experience in .NET development Strong experience building and maintaining Desktop Windows applications Strong experience with concurrent multi-threaded programming Working knowledge of file systems Working knowledge of Git Bachelor's or master’s degree in a relevant field Experience with owning and maintaining large software components Experience with gradual rollouts and metrics/monitoring/alerting frameworks Even if you don’t meet all the requirements listed above, please still apply. What we offer Office First: 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: Devices and software provided to excel in your role. Food: Lunch and snacks provided at offices. Transport: Subsidized transport costs or allowances based on location. Stock Options: Stock options upon joining. Flexible Working: Define your own hours as long as they align with team meetings. Learning and Development: Training programs, conferences, events, and continuous learning opportunities. Employee Benefits: Health insurance, retirement savings options, vacations, and wellness programs. Work that Matters: Proton is community-first and user-funded; read about our impact and values. Our commitment to diversity and inclusion We value diversity as it drives innovation and strengthen our mission. We are committed to fostering an inclusive environment where all individuals feel valued and empowered. If you need extra support or reasonable adjustments during the hiring process, please inform your talent partner. Candidate Privacy Notice When you apply for a position at Proton Technologies AG, your information is stored in Greenhouse and used to evaluate your suitability for the posted position. We may retain information for consideration for future roles. If you wish to access, correct, or delete your data, contact our privacy team at Proton does not accept unsolicited resumes from any sources other than directly from candidates. To learn more about our privacy policy, visit our privacy policy page. Details Seniority level: Mid-Senior level Employment type: Full-time Job function: Information Technology Industries: Software Development #J-18808-Ljbffr