Senior Backend Engineer

SumUp Sofia is hiring a backend engineer to build and maintain Payments Experience services, focusing on payout settings and market-ready APIs. You will work in a small squad, shipping features and helping migrate legacy Ruby services while improving reliability. The role requires Go expertise, RESTful APIs, PostgreSQL, Kubernetes, and AWS experience. You will collaborate across languages and contribute to scalable fintech platforms used by merchants. #J-18808-Ljbffr