Responsibilities
- Own and deliver complex, scalable backend features across the card lifecycle in Brazil, Chile, and Europe.
- Improve monitoring, alerting, runbooks, incident handling, and post-incident follow-up improvements.
- Define reusable architecture patterns, lead service refactoring, and reduce technical debt across 12+ service orchestrations.
- Mentor junior and mid-level engineers, facilitate design discussions, and contribute to RFCs and engineering standards.
- Collaborate with Product Managers, Designers, and cross-functional teams on roadmaps, technical strategy, and compliant merchant-facing products.
Requirements
- Ability to solve complex and ambiguous product problems with clear, scalable technical approaches.
- Strong expertise in unit and integration testing and reliable backend development.
- Proficiency in Java or Kotlin, or a genuine drive to master Kotlin or Java quickly.
- Hands-on experience with AWS Cloud services and relational databases.
- Strong cross-functional collaboration and communication skills, including with non-technical stakeholders.
- Advanced written and spoken English proficiency.
Benefits
- Annual R$ 10,000 budget for education, certifications, and conferences.
- Global collaboration with teams across more than 90 countries, plus off-sites and hackathons.
- After three years at SumUp, 30 additional days off through the Break4Me programme, along with 22 working days of paid leave and public holidays.
- Virtual stock option programme and company shares.
- Health plans, meal vouchers, Zenklub mental-well-being support, Wellhub gym membership, life insurance, childcare allowance, and private retirement contributions via Santander.
- Referral bonus programme.
About SumUp
SumUp is a leading global fintech company committed to levelling the playing field for small businesses. Founded in 2012, we’re the trusted partner of over 4 million merchants in 37 markets, providing simple and affordable tools that help them manage payments, finance, and customer relationships. Our vision is a world where everyone can build a thriving business. Guided by this, we champion small business ownership by creating accessible solutions that empower entrepreneurs to grow and succeed. Our diverse team of over 3,000 SumUppers — representing more than 90 nationalities across 20 offices worldwide — is at the heart of our success. Beyond business, we donate 1% of the net revenue generated by Solo devices to environmental causes and support educational and entrepreneurial initiatives around the world. Recognised as a Top Global Employer for inclusion by the Stonewall Workplace Equality Index in 2022 and 2023, and awarded Fintech Diversity Initiative of the Year at the Irish National Fintech Awards in 2025, SumUp continues to build an inclusive, supportive, and purpose-driven workplace where everyone belongs.