(Senior/Mid) Software Engineer, Golang - Payments Platform is open at SumUp in Sofia, Bulgaria. Posted on Apr 23, 2026, and still on SumUp’s careers page when we last checked, on Nov 14, 2026.
About the role
Design and evolve systems that process millions of transactions reliably and at scale Build and maintain backend services in a microservices architecture Contribute to API design for internal services and external integrations Write clean, maintainable, and scalable code with strong test coverage Participate in architectural discussions and drive technical decisions Collaborate closely with engineers, QA, and DevOps…
The opening lines of the posting. The rest is on SumUp’s careers page.
Hiring at SumUp
SumUp has 328 open roles right now, 2 of them remote. Most are in Sales & Business Development, Engineering and Finance & Trading. See all its roles
