Senior Software Engineer (Golang)- Payments Experience

Sofia💼 Full-time🗓 2026-08-07 → 2026-09-26

Core

Build and maintain backend services for payout settings, instruments, and payment reliability across 37 markets for small businesses.

Role type

Senior Software Engineer (Golang)

Builds

Backend services for payments, payout tooling, and legacy system migration

Domain

Fintech, Payments

Deliverable

production ML models | product features | infrastructure

Required skills

Go, microservices, RESTful APIs, PostgreSQL, Kubernetes, AWS

Preferred skills

Multi-language codebase navigation (Go/Ruby), technical planning, effort estimation

Responsibilities

Build and ship features for payout instrument flexibility and SUBA availability; maintain operational health of backend services; decommission legacy Ruby service; remove Platform DB dependencies from Bank Accounts service; participate in planning and refinement sessions

Seniority

Senior, hands-on IC

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About SumUp

We believe in the everyday hero.Small business owners are at the heart of all we do, so we create powerful, easy-to-use financial solutions to help them run their businesses. With a founder’s mentality and a 'team-first’ attitude, our diverse teams across Europe, South America and the United States work together to ensure that the small business owners we partner with can be successful doing what they love.