# Senior Software Engineer (Lending Team) at SumUp

- Company: SumUp
- Status: Open
- Workplace: On-site
- Location: São Paulo, São Paulo, Brazil
- Level: Senior
- Discipline: Backend
- Employment: Full-time
- Posted: 2026-09-01
- Skills: Engineering
- Apply: https://sumup.com/careers/positions/8769169002?gh_jid=8769169002

## Description

At SumUp , we believe small merchants are the heartbeat of our communities. By joining the Lending tribe , you'll help launch a new financing product designed for the roughly 50 million registered and informal sole traders in Brazil who currently can't access affordable credit.
 As a Senior Software Engineer , you'll be the technical anchor of a brand new squad, operating with real autonomy. This is a role for someone who's energised by ambiguity, comfortable owning hard decisions without a playbook to follow, and excited to help shape a lending product from the ground up in a fast-moving, regulated market.
 What you'll do 
• Build the onboarding journey: Design and build the onboarding experience for non SumUp customers, including KYC and Open Finance account and income data integration
• Own the repayment integration: Lead the technical relationship with our Open Finance partner alongside the Bank squad
• Deliver the product end to end: Build the core lending product experience, from credit assessment through to servicing and collections
• Power the credit decisioning: Connect Open Finance data to underwriting models to support fast, reliable credit decisions
• Set the technical direction: Make high impact architecture calls with minimal guidance, and coach mid level and entry level engineers
• Navigate the regulatory landscape: Partner closely with the Bank squad, Compliance, and our Open Finance external integration partner on Open Finance requirements in Brazil
 What makes you a great fit 
• Have experience designing and owning complex distributed systems end to end, i

More SumUp roles: https://deviantjobs.com/companies/sumup