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

At Proton we want to keep improving the foundation upon which our products grow. To do so we’re exploring using browser extensions for our products. As part of the product team you will help develop the current foundation, create a new foundation to build web extensions, and improve and build proton products for the web.

As a member of the front-end team you will be in charge of building the web extension foundation, use it to build extensions integrated with the web clients for the projects that require. You will also collaborate with the other front-end developers to solve complex technical and user-experience challenges. Proton front-end team works cross-functionally with Product, Engineering, and Security teams to build and operate a secure, scalable and performant system across our suite of products.

What you will do

• Work closely with teammates in order to design, build, test, optimize our web extension and web app.

• Develop high-quality customer experiences on the web.

• Write readable, maintainable, tested, and well-documented code.

• Ensure that acceptance criteria and all parts of the technical design are correctly incorporated.

• Follow and promote engineering best practices.

• Take part in team activities, such as sprint ceremonies, code reviews, and pair programming.

• Share your unique knowledge and skills with the rest of the team.

• Bootstrap a new foundation within our codebase to build web extensions.

• Implement web-extensions for the projects that require it.

• Develop the web clients and integrate the extension for proton projects

• 5+ years of experience using JavaScript and working on concepts such as asynchronous programming, closures, and ES6, at a minimum.

• 3+ years of experience using React.

• Proven proficiency with TypeScript.

• Experience using RESTful APIs.

• Experience testing your own code using automated tests, writing unit tests at a minimum (e.g. using Jest, Mocha, Cypress, Playwright).

• A product mindset and you are committed to building the best user experience.

• Ability to thrive in a dynamic, fast-paced, and collaborative environment.

Bonus points for

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.