Backend Engineer - Merchant Risk Intelligence
SumUp
Location: Sofia, Bulgaria, Germany
**Backend Engineer - Risk&Compliance at SumUp in Berlin, Germany** **What you'll do** - Develop new functionality and support existing services primarily using Go - Contribute to the merchant risk decision framework - Design, build and maintain reliable distributed systems - Work with product managers, data scientists, and fraud strategy teams - Help shape technical direction and system design decisions - Contribute to Python projects and AI-agent initiatives - Participate in code reviews, testing, and monitoring - Use AI-assisted development tools thoughtfully - Participate in on-call rotation **What they're looking for** - Professional experience developing software with Go/Golang - Experience building and operating distributed systems - Strong system design skills - Experience with Kubernetes and Kafka - Working knowledge of Python - Experience using AI-assisted tools in development - Experience in agile, cross-functional teams - Pragmatic, outcome-focused approach **Details** - Location: Berlin, Germany - Type: Not specified - Salary: null
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