SumUp
Fullstack Engineer - Bank
Is this role open to you?
Sofia, Bulgaria
Confirm work authorization, visa sponsorship and location requirements with the employer.About the role
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 Banking 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