Full Stack Engineer - Billings & Subscriptions
Core
Build and maintain backend services and frontend interfaces for SumUp's billing engine, merchant wallet, and subscription experiences serving millions of transactions across 37 markets.
Role type
Full stack engineer (backend focus)
Builds
Billing engine, merchant wallet, and subscription products
Domain
Fintech / Payments
Deliverable
production ML models | product features
Required skills
Node.js or Go, PostgreSQL or MySQL, DynamoDB or MongoDB, Redis, React, Next.js, TypeScript or JavaScript
Preferred skills
Refactoring legacy code, localization implementation, end-to-end feature delivery
Technologies
Node.js, Go, PostgreSQL, MySQL, DynamoDB, MongoDB, Redis, React, Next.js, TypeScript, JavaScript
Responsibilities
Build and maintain backend services and frontend interfaces; Refactor key billing components for reliability and security; Expand billing capabilities into new markets; Handle incoming customer queries during support rotation; Deliver features end-to-end with product managers
Seniority
Mid-level, hands-on IC