Senior Software Engineer

About the job

At SumUp , we believe small merchants are the heartbeat of our communities. By joining the Lending team , you'll help keep a core credit product running for businesses across Europe and Brazil, one that's already proven, already trusted, and still has plenty of room to get better. As a Senior Backend Engineer , you'll be a technical anchor on the Servicing squad, operating with real autonomy to challenge existing patterns rather than just maintain them. This is a role for someone who's energised by complex, live systems, comfortable owning hard trade offs between speed and stability, and excited to help scale a regulated, high stakes platform without breaking what already works. What you'll…