About Proton
At Proton, we believe that a better world begins with privacy, and our mission is at the heart of everything we do. We are a community-first organization, created through a public crowdfunding campaign, and built with community input. Our ecosystem of easy-to-use and open-source tools includes Proton Mail, Proton VPN, Proton Calendar, Proton Drive, and Proton Pass, serving over 100 million people worldwide.
Role Overview
As a Senior Fullstack Engineer in the MSA team, you will tackle complex mail delivery, spam, abuse, and account security problems within the Proton ecosystem. You will design, build, and operate sophisticated systems that combine human intelligence and machine learning to make real-time or asynchronous decisions impacting tens of millions of users daily.
What You Will Do
- Work with other engineers and analysts to design, build, and operate these systems.
- Develop special user-facing features involving frontend and backend software development.
- Play Product or Project Managers roles and lead the whole planning and development process.
- Ensure operational excellence of the systems/features and their interaction with other systems.
- Work on MSA's custom systems written in Python or on the main Proton API written in PHP or on Proton Web apps written in React or even on native iOS and Android mobile apps.
Job Requirements
- Deep experience with backend development (Python, PHP, or Go).
- Experience with frontend design and development (JavaScript, React, TypeScript, or jQuery).
- Experience building complex production systems.
- Experience with data processing and storage (MySQL, MongoDB, Redis, Kafka, Elastic, Ceph, ClickHouse).
- Able to work autonomously and lead the whole development process, from design to QA.
- Excellent English communications, both written and spoken.
Why 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.
- Work with smart and dedicated people - Our team is diverse, collaborative, and tight-knit with people coming from all walks of life.
- Join a strong brand - Our encrypted email service - Proton Mail - has grown to be a staple of online security and privacy.
- Grow with us - We’re one of Europe’s fastest-growing startups, doubling in size every year.
- Have your voice heard - We value your opinion and encourage you to speak up and share your ideas and thoughts.
Benefits Extracted with AI
- Flexible working hours
- Remote work options
- Equity options
- Learning and development opportunities
- Team building activities
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