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Senior Backend Engineer (Foundation)
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Proton·London; Paris·18 авг.

Senior Backend Engineer (Foundation)

🏢 ОфисSeniorПолная занятость
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Наша компания

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!

О роли

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 b

Чем предстоит заниматься

Design and build shared libraries, framework layers, and internal services used across every Proton product
Turn recurring patterns into good abstractions
Write documentation and examples people actually use, and treat adoption as part of shipping
Improve the day-to-day: build times, local dev setup, test ergonomics, debuggability, developer experience
Work in the open with product teams — RFCs, design reviews, and the occasional pull request into someone else's repo to show what you mean
Work closely with other developers to help integrate libraries seamlessly into applications

Наши требования

Domain-Driven Design, or similar experience modelling complex domains where the boundaries matter
Background in developer tooling, platform, or DX teams
Contributions to open source, especially libraries with real users
Experience migrating a codebase incrementally between architectures or languages
Experience with applied cryptography, key management, or end-to-end encrypted systems
Experience with building CI/CD
Even if you don’t meet all the requirements listed above, but feel you could still be a great fit, please still apply
5+ years building and operating backend systems in production, including code you stayed responsible for long after launch, with a focus on modern PHP
Working knowledge of Rust, or clear evidence you can get there quickly — we care that you understand ownership and lifetimes
Genuine taste in API design. You have opinions about naming, defaults, error handling, and what belongs in a library versus a service
A feel for architecture at codebase scale — you have worked somewhere large enough that module boundaries and dependency direction mattered, and you have views on what keeps a monorepo healthy
Experience evolving shared code that other teams depend on, and doing it without breaking them
A security mindset. You think about how the abstraction you just wrote will be misused
The influence to get an internal library adopted rather than worked around, and the patience to carry a design through disagreement between two teams who both think they're right

Мы предлагаем

Work that Matters: millions of people trust Proton with their privacy. We answer only to our users — not advertisers, not investors with conflicting agendas, not governments. The work you do here is real, and the impact is measurable. (read more about our impact here)
Work with smart and dedicated people - Our team is diverse, collaborative, and tight-knit with people coming from all walks of life, including many of the world’s top academic institutions and organizations, such as MIT, Harvard, Stanford, Caltech, Cambridge, and ETH
Technology: you'll get the right hardware and the right software you need to do your best work
Learning & Development: we invest in your growth because sharp people make us better. Proton is one of the fastest ways to accelerate your career because you'll be thrown into real challenges, with real ownership, from day one
Employee Benefits: your wellbeing isn't an afterthought. We offer strong health coverage, solid retirement options, generous leave, and wellness support so you can bring your best self to work every day
Stock Options: at Proton, we all have the opportunity to be owners of the company. From day one, you have a real stake in what we're building. When Proton wins, you win
In-Person Collaboration: Amazing things happen when passionate, smart, and purposeful people get together in the same room. With offices across Geneva, Zürich, Barcelona, London and more, you'll spend most of your time collaborating face-to-face with people who genuinely care about what they're building
Food: Lunch and snacks are on us every day in our offices so you can focus on the work and not on what's for lunch
Transport: getting to the office shouldn't cost you. We cover public transport, bike allowances, or parking, whichever works for you
Flexible Working: you own your schedule. Set hours that work for you and your team — because outcomes matter more than when the clock says you started
Our Commitment to Diversity and Inclusion
If you need any extra support or reasonable adjustments during the hiring process, please let your talent partner know
Candidate Privacy Notice
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 .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
P
Proton
London; Paris

ГрейдSenior
ЗанятостьПолная занятость
РегионВеликобритания
ФорматОфис
ИсточникСкрыто
Опубликовано18 авг.
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