At SumUp, we believe small merchants are the heartbeat of our communities. By joining the Global Bank tribe, you'll help shape the card infrastructure that directly powers how millions of merchants access, manage, and grow their finances in Brazil and beyond.

As a Senior Backend Engineer, you will play a central role in evolving our card domain — from credit card launches and digital wallet integrations to regulatory compliance and cross‑market scalability. This is a role for engineers who want their work to matter and who thrive at the intersection of technical excellence and real‑world impact.

What you'll do

• Shape the card domain globally: Take ownership of complex backend features across the card lifecycle, delivering production‑ready code that scales across Brazil, Chile, and Europe.
• Boost reliability: Introduce and improve monitoring, alerting, and runbook practices, actively support incident handling, and contribute to incident revi...