Backend Engineer - Sales & Orders
SumUp · Berlin, DE
About the team In the Sales & Order team we build the core Sales API and Receipt engines that power the SumUp ecosystem - from hardware like POS to Solo Card...
Job description
About the team In the Sales & Order team we build the core Sales API and Receipt engines that power the SumUp ecosystem - from hardware like POS to Solo Card Reader, from software like Online Store to Online Payments. Our mission is to translate complex transaction data into a unified "Sales" language, enabling other teams to build features independently. By connecting sales to reporting, accounting, and fiscalization, we provide the infrastructure merchants need to scale globally. You’ll collaborate with a dynamic, cross-functional team of Product Manager, Engineering Manager, fellow engineers, and occasionally Product Designers and Data Analysts. About the role: As a Backend Engineer, you’ll be a hands-on contributor delivering initiatives that span multiple products. You won't just be "writing code"; you’ll be architecting how different SumUp products talk to each other. We are a team that believes in extreme collaboration. This means daily pair programming, high-quality "clean" engineering, and an "AI-native" mindset where we use agents and tools to accelerate our delivery. What You'll Do: - Develop and evolve high-performance Sales APIs and receipt engines using Kotlin and Spr...