(Senior) Backend Engineer - Golang
Core
Build reliable distributed backend services and the merchant risk decision framework using Go to prevent fraud and ensure compliance for SumUp and its merchants.
Role type
Senior Backend Engineer (Go)
Builds
Distributed backend services, the Sentinel entity-level investigation framework, and AI-agent initiatives
Domain
Fintech, Fraud Prevention, Risk & Compliance
Deliverable
production ML models | product features | infrastructure
Required skills
Go/Golang, distributed systems, system design, Kubernetes, Kafka, Python, AI-assisted development tools
Preferred skills
Fintech domain knowledge, fraud prevention, risk and compliance, agile cross-functional collaboration
Technologies
Go, Python, Kubernetes, Kafka
Responsibilities
Develop new functionality and support existing services across the codebase; Design, build and maintain reliable distributed systems; Work closely with product managers, data scientists, and fraud strategy teams; Help shape technical direction and service boundaries; Participate in code reviews, testing, and monitoring; Contribute to Python projects and AI-agent initiatives; Participate in on-call rotation.
Seniority
Senior, hands-on IC
