Full stack SDET (Web)

Job description

A better internet, where privacy is the default, is possible. Building this better internet might seem daunting or even unthinkable, but at Proton, this is what we do every day.

Proton was founded in 2014 by a group of scientists who met at the European Organization for Nuclear Research (CERN). Our first product, Proton Mail, is now the world’s largest encrypted email service. Subsequent Proton products, such as Proton VPN, Proton Calendar, and Proton Drive, give our users full control over how and with whom their data is shared.

Today, Proton makes privacy universally accessible. Journalists from outlets like The Guardian and The New York Times, some of the world’s largest organizations, and people in more than 180 countries have signed up for over 70 million accounts. Our diverse and dynamic team is made up of more than 400 members representing over 40 different nationalities. While we are based in Geneva, Switzerland, we have offices in Zurich, Prague, London, Vilnius, Skopje, Taipei, and many more employees working remotely around the world.

Join one of Europe’s fastest-growing companies to help us solve challenging problems and build new products that will reach hundreds of millions of people. We want to create more than just one of the world’s most impactful tech companies; we want to create a new internet that serves the interests of all people. We need you, your voice, your ideas, and your ambition to make it happen.

Purpose of the role

As a member of newly established Testing Productivity team, you will design, implement, and improve our test ecosystem at Proton. You will build frameworks, tools, and test infrastructure that provide product teams with reliable and fast testing solutions that improve product quality and accelerate feedback loops. Your work will have a direct impact on our customer-facing apps for iOS, Android, Web, and desktop clients, as well as our API and backend infrastructure

What you will do

  • Design and develop tools and infrastructure that help us provide quality apps.
  • Develop and deploy advanced automated testing frameworks and monitoring systems.
  • Partner with distributed teams to plan our future QA tooling and technology decisions.
  • Work with DevOps and other teams to integrate test automation with build systems, test management systems, and device cloud.
  • Partner with engineering teams to integrate test suites into the continuous integration system.
  • Develop automated metric tools for management purposes.
  • Improve the visibility, performance, and reliability of the build and test processes.
  • Utilize multiple strategies for effective testing, including end-to-end, integration, and unit testing.
  • Implement visual testing frameworks, and apply them in a continuous integration system.
  • Design testing tools that empower developers to own tests.

Job requirements

  • 5+ years of experience as a Software Engineer in Test, or Test Automation Engineer.
  • Proactive, self-driven, and capable of communicating with cross-functional teams.
  • Hands-on Experience in Javascript, React, TypeScript and NodeJS.
  • Experience with Web or desktop test automation using Cypress or Playwright test frameworks.
  • Understanding of CI/CD practices and Lean DevOps methodologies.
  • Understanding and use of mocking services.
  • Hands-on experience with performance measurement, evaluation, and optimization.
  • You write understandable, testable code with an eye toward maintainability.
  • Self-motivated; able to work independently with minimal direction.
  • Open-minded, eager to learn, and passionate about delivering the best user experience.


Bonus points for

  • You are a strong communicator and have experience explaining complex technical concepts to less experienced engineers.
  • Familiarity working with a team that cares for engineers to improve the overall test experience as part of the SDLC at scale.


Why you should join Proton

  • Be part of a movement - Proton is not just a product or service but a community-driven movement united by a shared vision of online freedom. Our services are open source, audited, and supported by community contributions. We give back to our community by maintaining core encryption libraries and supporting organizations that advance the same goals as us. Proton is free, open source, neutral, independent, and community first, while remaining financially sustainable.
  • Work with smart and dedicated people - Our team is diverse, collaborative, and tight-knit, with people coming from all walks of life. Many members of our team spent time at the world’s top academic institutions, including MIT, Harvard, Stanford, Princeton, Caltech, Cambridge, and ETH.
  • Join a strong brand - Our encrypted email service – Proton Mail - has grown to be a staple of online security and privacy. Proton has been featured in multiple popular television and film productions, such as Mr. Robot, Knives Out, Sounds of Metal, and more.
  • Grow with us - We’re one of Europe’s fastest-growing companies. Our growth gives you limitless career and educational opportunities as well as the opportunity to work side-by-side with many world-leading experts in their fields.
  • Have your voice heard - We value your opinion and encourage you to speak up and share your ideas and thoughts. At Proton, no problem is someone else’s problem. We collectively strive to do the right thing and be the undisputed best in the world at everything we do.
  • Benefits – these vary by location and type of contract but expect support on your vacation, parental leave, refreshment if working from the office, learning and development opportunities, equity for shared success, flexible working hours and remote work, company events, and team-building activities.


Proton uses the Recruitee recruitment platform for a more effective hiring process and a better candidate experience. Your data will always be kept confidential and is not shared with any third parties. You will receive emails from the email address careers@protonmail.recruitee.com or other addresses on the protonmail.recruitee.com domain as part of the recruitment process.


Proton does not accept unsolicited resumes from any sources other than directly from a candidate. Proton will not pay a fee for any placement resulting from the receipt of an unsolicited offer, even in a situation where Proton employs the relevant candidate.


By applying to a role at Proton, you acknowledge that we will process and store your personal data for at least the duration of the hiring process and as necessary to enter a contractual relationship with you.