CareerPlan

Senior Software Engineer

BarcelonaFull-time2026-10-21 → 2026-11-10
On-site

Core

Build and maintain backend services for SumUp's lending platform, ensuring system health, reliability, and adaptation to regulatory requirements for businesses in Europe and Brazil.

Role type

Senior Backend Engineer (Go)

Builds

Lending platform services, observability tools, and loan repayment flows

Domain

Fintech / Lending / Regulated financial services

Required skills

Go, backend development, observability, monitoring, integration testing, system reliability, regulatory adaptation

Responsibilities

Build and maintain backend services, strengthen observability and monitoring, write integration tests, adapt platform to new regulatory requirements, investigate production incidents, implement new loan repayment flows