About the job
SumUp gives small businesses the tools they need to get paid, manage their money, and grow - today, over 4 million merchants across 37 markets worldwide rely on SumUp to do exactly that.
The Bank Web squad sits within SumUp's Bank domain and owns the web experience across our banking surfaces - from the business account dashboard that merchants use daily, to the back-office tooling that powers the support teams behind them. The team has a clear mission: make Bank Web a genuinely first-class platform, on par with our mobile applications in quality, reliability, and performance.
Joining now means being part of a team that’s at a key growth point - modernization work, growing scope across markets, and making architectural decisions that will shape how millions of merchants experience SumUp's banking products.
👉 Take a look at our Sofia office
What you'll do
Build and own features end-to-end across our web banking surfaces - from scoping and component implementation through testing, observability, and production maintenance
Work across the full stack - including defining API contracts, working with backend proxies, and integrating with the services that power our banking platform
Contribute to modernisation efforts, including architectural improvements, component refactoring, and stack migrations that reduce technical debt and accelerate future delivery
Review peers' pull requests with attention to UI consistency, accessibility, and frontend best practices
Participate in production support and incident reviews, helping to strengthen the squad's operational resilience across its web domain
You'll be great for this role if…
Strong experience with React, TypeScript, with a track record of delivering production-ready features end-to-end -not just isolated UI components
Genuine full-stack capability: Experience defining API contracts, working with backend proxies, and owning integrations, not just consuming them; backend experience in Node, Kotlin
Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.
£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)
At Vanta, our mission is to help businesses earn and prove trust. We believe that security should be monitored and verified continuously, an…
Who we are About Privy Our mission is to make privacy and user ownership the default online. To do so, we build simple, flexible APIs and…
Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enter…
Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enter…
Location: Copenhagen, Denmark The Global Bank tribe at SumUp, builds the financial tools that help small businesses manage their money more…
Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world's largest enter…
