Backend Engineer
43,000€ - 69,000€
London; Paris; Prague
As a Backend Engineer in Marketing Technology you will be responsible for building our key components of our marketing technology stack. You will drive software design and implementation likewise while helping a newly formed cross-functional team. You will interact with key stakeholders in the Business Units, Software Development, Marketing, Sales and more to understand requirements and use cases while keeping the bigger picture in mind.
If you’re a self starter and results-driven backend engineer, and you thrive in a fast-paced environment, this is a great opportunity to play a pivotal role in a fast-growing company. You will have a concrete impact on the future of the business as a whole.
What you will do
Research, plan, scope, evaluate and implement our MarTech stack using Python and PHP
Help and train the engineers of our business units to integrate sdk's we provide
Own MarTech maintenance, including updates, enhancements, security, and privacy of the systems
Help teams identify where technology can help increase conversion, efficiency and user experience
Be a point of contact when it comes to technical solutions in the MarTech space and be the key person when it comes to technical questions about the stack
Job requirements
Demonstrable experience in building high-quality systems
Experience building scalable solutions with Python or PHP
Solid understanding of SQL
Solid understanding of HTTP/REST, including both developing and consuming Web-based APIs
Proven capability in integrating different in-house built systems with off the shelf products
A curious, passionate, and growth-oriented mindset
Strong interpersonal and communication skills. Ability to build strong relationships with cross-functional stakeholders and influence at all levels of the organisation
Proven ability to manage multiple projects and priorities, and deliver high-quality software solutions on time and on budget
Ideally you already had some touchpoints with marketing technology in the past.
What We Offer
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.
Published on: 7/23/2026

Proton
Proton is an end-to-end encrypted productivity suite for everything you do online. Every service uses zero-access encryption, so only you can read your data.
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