Backend Engineer - Run & Grow
SumUp, Sofia, Bulgaria +4
What you will do
What you’ll do
- Design, build, and operate production-grade backend services, APIs, and integrations, primarily using Go.
- Build event-driven workflows and distributed systems using technologies such as Kafka and asynchronous processing.
- Define clear service boundaries, data models, schemas, and API contracts that other teams can use confidently.
- Build capabilities supporting merchant acquisition, identity, marketing technology, operations, risk, and compliance.
- Own technical work end to end, from discovery and system design through implementation, testing, deployment, and production follow-up.
- Modernise existing services and improve reliability through observability, security, failure handling, and incident response.