Software Engineer (Golang) - Online Payments
SumUp(1 month ago)
About this role
SumUp is hiring for the Online Payments team within its Payments Tribe to develop and scale the Golang-based platform that handles Card Not Present transactions globally. The role focuses on building reliable, secure, and highly available backend services in a co-located, cross-functional squad in Sofia. It offers opportunity to work on large-scale fintech systems, contribute to architecture and product decisions, and learn from experienced engineers. Candidates must have the right to work in Bulgaria and the position follows an office-first setup.
Required Skills
- Golang
- Kafka Streams
- PostgreSQL
- AWS
- Microservices
- API Design
- Backend Development
- Testing
- Documentation
- Monitoring
+12 more
About SumUp
sumup.comSumUp is a global financial‑technology company that provides simple, affordable payment solutions for small businesses, including card readers, point‑of‑sale systems and online payment tools. Millions of merchants use SumUp’s hardware, mobile app and web platform to accept in‑person and remote payments, track sales and manage day‑to‑day operations. The company emphasizes ease of use, transparent pricing and broad international availability, backed by customer support and integrations to help merchants grow.