Windows Test Automation Engineer - VPN

Windows Test Automation Engineer - VPN at Proton
Join Proton to build a better internet where privacy is the default. Proton believes privacy is a fundamental human right and the cornerstone of democracy. Our portfolio includes Proton Mail, Proton VPN, Proton Calendar, Proton Drive, and Proton Pass, serving millions of users worldwide.
The QA team within the VPN department is distributed across Europe and collaborates with automation engineers to implement repetitive tasks in automated test suites while improving testing processes. They work closely with development and product teams to provide quality feedback throughout the software development lifecycle.
What you will do Design, build, and maintain automation frameworks for Windows desktop applications.
Collaborate with developers, product managers, and designers to ensure features are testable and shipped with confidence.
Integrate automated tests into CI/CD pipelines for fast, reliable releases.
Debug, investigate, and analyze test failures — and work with the team to fix root causes, not just symptoms.
Continuously improve test coverage, speed, and reliability by bringing in new tools, strategies, and ideas.
What we are looking for 3+ years of test automation experience, ideally with Windows applications.
Strong programming skills in C#, .NET, or similar.
Hands-on experience with Windows automation frameworks like FlaUI, or UIAutomation.
Familiarity with CI/CD tools (Gitlab, Harbor, Docker).
A detail-oriented mindset, with a passion for building clean, scalable, and maintainable automation.
Team-player vibes — you love collaborating and solving problems together.
Bonus points for Experience with performance, load, or security testing for desktop apps.
Knowledge of API testing (REST, GraphQL) to validate end-to-end flows.
Contributions to open-source testing projects or personal automation side projects.
What We Offer Office First: offices in multiple European cities with the option to work from home up to 30% of the time.
Technology: devices and software provided to excel in your role.
Food: lunch and snacks provided at offices.
Transport: subsidies for public transport, bike allowances, or parking depending on location.
Stock Options: ownership through Proton stock options.
Flexible Working: define your own hours as long as it fits with team meetings.
Learning and Development: training programs, conferences, and continual learning.
Employee Benefits: health insurance, retirement options, vacation and wellness programs.
Work that Matters: Proton is community-first with user subscriptions as the primary revenue source.
Our Commitment to Diversity and Inclusion Proton believes diversity drives innovation and strives for an inclusive environment where all individuals feel valued and empowered. We are committed to equal opportunities and open dialogue, supporting continuous learning so every voice is heard and respected. If you need reasonable adjustments during the hiring process, please contact your talent partner.
Candidate Privacy Notice: When you apply, candidate referrals, or are considered for a role at Proton Technologies AG, your information is stored in Greenhouse in accordance with their Service Privacy Policy. We retain information to evaluate suitability and for future opportunities where appropriate. If you wish to access, correct, or delete your data, contact our privacy team at careers@proton.ch. We do not accept unsolicited resumes from external sources. Salary information may be included where applicable.
Additional details Seniority level: Associate
Employment type: Full-time
Job function: Quality Assurance
Industries: Software Development

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