Backend Engineer (B2B)

Confirmed live in the last 24 hours

Proton

Taipei; Geneva; Skopje

On-site

Posted April 23, 2026

Job Description

Join Proton and build a better internet where privacy is the default

Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by millions globally to protect their freedom, fight censorship, and keep their data safe. In some situations, Proton has literally helped save lives.

We are profitable, independent (no VC control), and selectively hire from the top ~1% of applicants. Our 500+ team members across 50+ countries come from leading organizations and elite academic backgrounds. We move fast, keep hierarchy light, and prioritize impact over optics. If you want to do meaningful work with exceptionally high-caliber people, this is it. Join us and do work you can truly be proud of. Check our open-source projects here!

The B2B Team:

The central B2B team focuses on the priority needs of the 50,000+ businesses, non-profits, and government organizations that use Proton for work: https://proton.me/business. We expect significant growth in B2B users in the coming years across all Proton products. We have built solutions that span multiple products as well as product-specific features. We work closely with product teams and other central teams such as Account and Payments. We are part of a group that is split between Europe and Taiwan and operates 24/7 to ensure reliable service for our users.

Tech Stack and Tools:

Our frontend is based on React
Our backend API is based on PHP/Symfony
All our client-code is open-source and GPL3.
We are migrating our infrastructure to Kubernetes
Everything runs on premise in Proton's data-centers
To organize our work we use classic tools such as Jira and Confluence

What you will do:

We believe in small empowered teams that focus on delivering large impact. This requires strong engineers with product engineering mindset who can collaborate well, take ownership, a

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