Senior Backend Engineer (Golang) - Bank Balance
SumUp, Berlin, Germany +5
The role
As a Senior Backend Engineer, you’ll help modernize existing systems while balancing innovation with stability, collaborate with teams across regions, and build reliable services that manage diverse markets with different regulations.
If you enjoy solving complex problems on high-load systems, are curious about banking, and are looking for a team that tackles challenges head-on, we’d love to hear from you.
What you will do
What You’ll Do
- Build and evolve the SumUp’s core banking services that powers ledger operations and transactions, transforming our regional systems into a unified, scalable global platform.
- Tackle complex distributed systems challenges, ensuring resilient services that continue to perform under high transaction volumes.
- Support modernization initiatives by improving observability, adding test coverage, refactoring code for long-term maintainability, and gradually introducing new architectural patterns without disrupting live banking operations.