Fullstack Engineer - Bank
SumUp
Standort: Sofia, Bulgaria, Germany
Anstellungsart: full time
Fullstack Engineer at SumUp in Sofia, Bulgaria. **What you'll do** - Build and own features end-to-end across web banking surfaces, from implementation to maintenance - Work across the full stack, defining API contracts and integrating with backend services - Contribute to modernization efforts, architectural improvements, and stack migrations - Review pull requests and participate in production support to strengthen operational resilience **What they're looking for** - Strong experience with React and TypeScript, delivering production-ready features - Full-stack capability with experience defining API contracts and backend integrations (Node, Kotlin, Java, or Golang valued) - Solid understanding of frontend architecture, component design, and state management - Experience writing and maintaining frontend tests with a focus on code quality **Details** - Location: Sofia, Bulgaria - Type: Full-time
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