Overview Join Proton and build a better internet where privacy is the default. At Proton, privacy is a fundamental human right and the cornerstone of democracy. Since 2014, Proton has provided free and open-source technology to millions worldwide, including Proton Mail, Proton VPN, Proton Calendar, Proton Drive, and Proton Pass.

We have over 100 million user accounts and a growing team of over 500 people from more than 50 countries. Proton is profitable and has grown without reliance on venture funding. We value intelligence, learning potential, and ambition in our hiring process. Adaptability is key as we navigate uncharted territories and redefine how business is conducted online. We believe smaller teams of exceptional talent will always prevail over larger teams with lower talent density.

We have a global mindset and big ambitions but remain a start-up at heart. We value empowerment and flexibility and keep our structure flat to keep moving fast and avoid unnecessary politics. Tired of blending into the crowd? Join us and do work you can truly be proud of. Check our social media pages to learn more about us:

Twitter ,

Reddit ,

Instagram .

The Team As a Frontend Engineer on the Inbox team, you will play a crucial role in developing Proton's Mail and Calendar. You should be customer-centric, continuously learning, and passionate about technology and usability. You are adept at turning technical complexities into seamless user experiences. Effective teamwork, collaboration with Product, Design, APIs, and your team, and data-driven decision-making are essential aspects of this role.

Current Projects

Developing innovative productivity tools that seamlessly integrate with our privacy-centric ecosystem.

Advancing the frontiers of cryptography to ensure user data remains secure even in the face of emerging technologies such as quantum-proof encryption.

Expanding Proton's reach into the B2B segment, bringing privacy and security to businesses worldwide.

Pushing the boundaries of innovation with projects like Scribe, the world's first private AI in a consumer product.

Impact opportunities

Scale Mail & Calendar B2B product development: Shape the future of products used by millions of people around the world.

Tech Stack and Tools

JavaScript, TypeScript, React, ES6

Every Proton client's codebase is open source; check it out here.

Encryption brings unique challenges to front-end development. A trivial search functionality becomes more interesting to implement when the email body is fully encrypted.

What you will do

Develop new features: developing, deploying and supporting high-quality user experiences, including feature development and implementation.

Drive adoption and user retention: contribute to the user onboarding and delivering a delightful experience to retain users.

Collaboration: Work closely with backend, product owners, designers, QA, and other engineers to take initiatives from ideation to completion.

Code review and optimization: conduct code reviews and provide constructive feedback to ensure code quality, maintainability, and performance optimization.

Testing: develop and implement comprehensive testing strategies across all test layers to ensure reliability and future ease of development.

Job requirements While we prefer candidates who cover the entire skillset, don't hesitate to apply if you're not an exact match, as we're willing to help you grow in certain areas.

Extensive experience of professional software development using JavaScript ES6+ or TypeScript.

Experience with React or 2+ similar frameworks, developing performant and reusable components.

Experience writing tests at scale.

Familiarity with other best practices for ensuring code quality, including CI/CD.

Familiarity with UX, accessibility, internationalization, and localization concerns and solutions.

Nice to have

Experience working in a distributed team.

Experience with Grafana or other monitoring platforms.

Awareness of common security issues in client-side development, such as those in the OWASP Top Ten, and how to mitigate them.

Even if you don’t meet all the requirements listed above, please still apply.

What We Offer

Office First: Collaboration is easier and more effective in person, which is why we have offices in Geneva, Zurich, Prague, Barcelona, Paris, London, Vilnius, Skopje, and Taipei. You can also enjoy working from home up to 30% of the time, while enjoying great company during our core in-office days.

Technology: We provide all the devices and software you need to excel in your role, ensuring you have the best tools at your disposal to achieve your goals.

Food: Lunch and snacks are provided by Proton every day at our offices.

Transport: We will always support our employees with transport costs through subsidizing public transport, bike allowances, or parking spaces based on your office location.

Stock Options: At Proton, we are all owners of the company and you get stock options when you join us.

Flexible Working: You can define your own working hours as long as it works with team meetings.

Learning and Development: We are committed to your professional growth. Proton offers various learning opportunities, including training programs, conferences and events, and continual learning.

Employee Benefits: Comprehensive health insurance plans, competitive retirement savings options, generous vacation and leave policies, and wellness programs.

Work that Matters: Proton is a community-first organization, started with the support of a crowdfunding campaign and built with community input. To this day, Proton’s only source of revenue is user subscriptions. Over 100 million people trust and support Proton, and we put our users and community first in everything we do.

Check our social media to learn more about Proton: LinkedIn, Reddit, X, YouTube.

Our Commitment to Diversity and Inclusion At 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 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. If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know.

Candidate Privacy Notice When you apply for a position, refer a candidate, or are considered for a role at Proton Technologies AG, 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. If 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 careers@proton.ch.

Proton 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.

To learn more about our privacy policy, please visit our privacy policy page.

Seniority level

Associate

Employment type

Full-time

Job function

Engineering and Information Technology

Industries

Software Development

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