--- title: "(Senior) Backend Engineer" company: "SumUp" company_url: "https://www.remjobs.works/companies/sumup" url: "https://www.remjobs.works/job/sumup-senior-backend-engineer-2083f0a8-9497-49dc-9ade-985dbe46da51" apply_url: "https://sumup.com/careers/positions/8671401002?gh_jid=8671401002" workplace: onsite location: "São Paulo, Brazil" employment_type: unspecified seniority: senior role: software-engineering region: latin-america skills: ["aws", "sql"] date_posted: 2026-08-03T13:40:41.000Z first_seen_by_remjobs: 2026-08-26T15:14:48.015Z --- # (Senior) Backend Engineer **SumUp** — São Paulo, Brazil Apply: https://sumup.com/careers/positions/8671401002?gh_jid=8671401002 ## About SumUp Millions of small businesses use SumUp to run their business with our affordable payment solutions and easy to use point-of-sale solutions. Get a demo today. ## About the role At **SumUp**, we believe small merchants are the heartbeat of our communities. By joining the **Payments BR Tribe**, you'll help shape solutions that directly solve merchants' everyday challenges and redefine how financial products empower entrepreneurship in Brazil. The tribe is deeply focused on the Brazilian market — understanding the real needs and behaviours of our merchants and building products that truly fit their world. You'll be part of a global, autonomous, cross-functional team of driven, purpose-led people who take ownership, embrace challenges, and care deeply about helping businesses succeed. As a **(Senior)** **Backend Engineer**, you'll be the technical anchor of a small, high-impact squad — bringing clarity to complex integration logic, setting the architectural direction, and helping a growing engineer reach their potential. This is a role for someone who finds satisfaction in making hard systems reliable, loves writing clean Go code, and isn't afraid to navigate the complexity that comes with building at scale in a fast-growing market. --- #### What you'll do - Own the architecture: Design and author RFCs that shape how the domain evolves, driving clean, scalable solutions across our integration layer with internal SumUp services and third-party services as well. - Write and review high-quality code: Take full ownership of backend delivery — from writing production-grade code to leading rigorous peer reviews that keep the codebase healthy and maintainable - Drive technical standards: Establish clear documentation, testing practices, and CI/CD improvements that reduce technical debt and make the squad more autonomous over time - Mentor and grow the team: Pair-program with and actively develop other engineers on the squad, acting as the technical reference point and fostering a culture of ownership and engineering excellence - Collaborate broadly: Partner closely with the Engineering Manager, Product Manager, and cross-functional stakeholders to translate business needs into clear technical roadmaps and scalable solutions #### What makes you a great fit - Solid backend development skills, with experience in Go, or strong experience in functional backend programming languages with a genuine drive to master Go quickly - Strong expertise in code design, automated testing, CI/CD, performance optimisation, and building resilient, well-architected systems - A track record of leading technical projects end to end — from writing design documents to shipping production improvements that hold up at scale - Hands-on experience with AWS Cloud services and strong SQL optimisation skills with relational databases - Have advanced English proficiency, with the ability to present and discuss technical topics clearly across teams and with non-technical stakeholders - Experience contributing to technical strategy beyond the immediate squad --- **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 ](https://www.youtube.com/watch?v=8LwAYCUtfXQ) **💡 **[Ask me anything: Engineering at SumUp](https://www.youtube.com/watch?v=7m8wlYCwlO4) **🚀 **[SumUp’s Innovation Hackathon](https://www.linkedin.com/posts/sumup_insidesumup-innovation-hackathon-activity-7245403147458752513-0PD7?utm_source=share&utm_medium=member_desktop) **🤝 **[Get to know our hiring process](https://www.sumup.com/careers/how-we-hire/) **Ready to Join us? **Apply now and help us shape the future of financial solutions for small businesses **Job Application Tip** We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp. --- Source: SumUp's own career page, read by RemJobs. Canonical HTML version: https://www.remjobs.works/job/sumup-senior-backend-engineer-2083f0a8-9497-49dc-9ade-985dbe46da51