Full Stack Engineer

SumUp· 35 open roles

Location TBD On-siteFull-time56 years ago

Salaryest.

€60,000 - €110,000

Experience

Mid

Job Type

Full-time

Posted

56 years ago

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About This RoleAI processing…

Our Purchase squad owns the end-to-end checkout and buying experience across SumUp's platforms, from self-service journeys to sales-assisted flows, covering everything from hardware and subscriptions to bundled offers and promotions. We're in an active phase of stabilising and scaling our commerce platform, reducing complexity, and building the foundations that allow us to move faster and serve merchants better across multiple markets. This is a backend-leaning full stack role where you'll work on real, impactful problems that sit right at the centre of how merchants discover, buy, and manage SumUp's products.

Key Responsibilities

1
Build and maintain frontend and backend components that power our checkout and purchase flows across self-service and sales-assisted channels
2
Contribute to core commerce capabilities including subscription promotions, bundled offers, and order lifecycle improvements
3
Help improve platform reliability and reduce technical complexity, addressing recurring issues and supporting ongoing migrations
4
Work closely with product managers, designers, and engineers to deliver scalable, high-quality features across multiple markets
5
Improve merchant-facing experiences, including better visibility into orders, invoices, and tracking information

Requirements

A pragmatic approach to problem-solving — able to make sensible trade-offs, unblock yourself and others, and write clean, maintainable code.
Why you should join SumUp 🌎 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office.
If you don't tick every box, it's ok too because it means you have room to learn and develop your career at SumUp.