Senior Software Engineer (Lending Team)

Job 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, ideally backed by around 6 years in software engineering • Have strong knowledge of Open Finance or Open Banking integrations, gained from working inside a bank, fintech, or another regulated financial product • Feel comfortable working in Golang on backend systems, with the flexibility to work confidently in another language such as Java, Kotlin, Python, or Ruby • Can identify gaps and ambiguity early, weigh up tradeoffs, and drive decisions without waiting for perfect information • Shares excitement about building a new product from scratch and exploring unfamiliar territory rather than maintaining something established Why you should join SumUp 🌍 Global Experience : Collaborate with a diverse team of 3,000+ people from over 90 countries, and join our global off-sites and hackathons. 🤝 Collaborative Culture: Join a team that values diversity, innovation, and teamwork, where your ideas and contributions truly matter. 📈 Career Growth : Be part of a global team working on large-scale fintech products used by millions of businesses. 💙 Great Benefits : Health plans, meal vouchers (VR), Zenklub, Wellhub, life insurance, childcare allowance, and more. 📚 Learning & Development : Access an annual budget of R$ 10,000 for education, certifications, and conferences. 🌴 Time Off : Enjoy 30 additional days off through our Break4Me program after 3 years at SumUp. 💸 Grow with Us: Participate in our virtual stock program and benefit from SumUp’s success with company shares. Learn More About SumUp 🇧🇷 Office tour at São Paulo 💡 Ask me anything: Engineering at SumUp 🚀 <a href="https://www.linkedin.com/posts/sumup_insidesumup-innovation-hackathon-activity-7245403147458752513-0PD7?utm_source=share&utm_medium=me