Fullstack Engineer
Core
Build and own end-to-end features for SumUp's web banking surfaces, serving millions of merchants across 37 markets.
Role type
Senior Fullstack Engineer (Banking)
Builds
Web banking dashboards, back-office tooling, and banking platform integrations for merchants.
Domain
Fintech / Banking
Deliverable
production ML models | product features
Required skills
React, TypeScript, API contract definition, frontend architecture, state management, unit/integration/E2E testing, CI/CD practices
Preferred skills
Backend experience (Node, Kotlin, Java, Golang), complex domain navigation, AI tooling exposure
Technologies
React, TypeScript, Node.js, Kotlin, Java, Go, Angular, AWS, Kafka
Responsibilities
Build and own features end-to-end across web banking surfaces; Work across the full stack including defining API contracts and integrating with backend services; Contribute to modernization efforts and architectural improvements; Review peers' pull requests for UI consistency and accessibility; Participate in production support and incident reviews
Seniority
Senior, hands-on IC