Backend Engineer (Node.js)

Fullstack Engineer at SumUp in Copenhagen, Denmark, joining the Global Bank tribe to build financial tools like Expenses and Making Tax Digital. **What you'll do** - Build and maintain full stack features using React.js and Node.js/TypeScript - Contribute to integrating Expenses into the Business Account transaction history - Take ownership of backend service reliability, including CI/CD and Kubernetes - Collaborate with Product and Design to deliver clean, testable code **What they're looking for** - Solid proficiency in Node.js, TypeScript, and React.js - Experience building microservices and user-facing frontend features - Comfortable working in an autonomous squad with ownership - Familiarity with API design, event-driven concepts (Kafka/RabbitMQ), and architectural trade-offs **Details** - Location: Copenhagen, Denmark