Backend Engineer - Run & Grow is open at SumUp in Sofia, Bulgaria. Posted on Oct 7, 2026, and still on SumUp’s careers page when we last checked, on Nov 14, 2026.
About the role
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…
The opening lines of the posting. The rest is on SumUp’s careers page.
Hiring at SumUp
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