Becoming a part of SumUp means joining a global mission to help solve real-world problems for small business owners and shape the future of fintech products in the Brazilian market. As a Senior Backend Engineer, you'll be at the forefront of this journey, driving innovation and creating solutions that empower millions of users globally.

This is an exciting opportunity to take ownership of backend systems, contribute to architectural decisions, and work alongside a team of talented professionals. If you're looking to further your career with a company that grows in complexity, values continuous learning and technical excellence, and where you will connect and impact distributed teams over the world, SumUp is the place for you.

We are an Office First company because we truly believe in the power of collaboration and in-person interactions to foster a sense of belonging and support our Founder’s Mentality. That's why this position is hybrid (3x/week), with time spent in our office in Pinheiros, São Paulo.

• Deliver business value by building scalable, reliable solutions that millions of users depend on every day,
• Participate in code reviews and pair programming to improve code quality and knowledge sharing
• Continuously adopt and promote best practices within the team, focusing on high-performance and fault-tolerant distributed systems,
• Collaborate with software developers, QAs, DevOps engineers, designers, product managers, and other key stakeholders to design and implement backend services and APIs,
• Ensure smooth deployments, continuous integration, and support existing functionalities,
• Provide comprehensive documentation and maintain high test coverage,
• Actively contribute to tool and technology selection, driving backend-related discussions and decisions.

• You have solid backend experience and a deep understanding of software architecture, design patterns and application design,
• You are experienced in API design (RESTful and event-driven services) and working with both SQL and NoSQL databases,
• You have strong skills in problem-solving, coding, debugging and optimizing,
• You are familiar with CI/CD tools such as GitHub Actions, Kubernetes, etc.,
• You enjoy mentoring others and sharing your knowledge,
• You are passionate about writing clear, concise, and testable code that can be easily understood and maintained by your team.

Bonus Points If You Have:

• Experience with AWS, Docker, Kubernetes, Terraform, Prometheus, Grafana, 
• Familiarity with event streaming platforms and messaging brokers such as Kafka and RabbitMQ,
• Experience in the fintech industry.

Why You Should Join SumUp

• Career Growth: Join a truly global team and work on large-scale fintech products used by millions of businesses worldwide, with ample opportunities for professional development and upward mobility,
• Learning & Development: We offer an annual Learning & Development budget of R$ 10,000, which you can use for conferences, certifications, and further education to enhance your skills,
• Extended Time Off: After 3 years at SumUp, you’ll receive an additional 30 days off through our Break4Me program, on top of your regular vacation period,
• English Classes: Improve your language skills with our English classes, provided through The English Academy,
• Equity: Participate in SumUp’s virtual stock ownership program, gaining a stake in our future success,
• Global Experience: Join our global off-sites, hackathons, and events, and collaborate with a diverse team of 3,000+ people from over 90 countries,
• Referral Bonus: Earn a bonus when you help us grow by successfully referring top talent to our team,
• Comprehensive Benefits: We care deeply about our team’s well-being and offer a range of benefits, including health plans, meal vouchers (VR), Zenclub, Gympass, life insurance, a pension plan, childcare allowance, and more.

For more insight into SumUp’s culture:

• A tour of our São Paulo office
• Ask me anything: Engineering at SumUp
• SumUp’s Innovation Hackathon

We believe in the everyday hero. Small business owners are at the heart of everything we do, which is why we create powerful, easy-to-use financial solutions to help them thrive. With a founder’s mentality and a ‘team-first’ attitude, our diverse teams across Europe, South America, and the United States collaborate to ensure that our merchants succeed.

SumUp is an Equal Employment Opportunity employer, committed to fostering a diverse and inclusive workforce. We strictly prohibit discrimination based on race, color, religion, national origin, gender, sexual orientation, age, disability, or any other protected characteristic.

Job Application TipWe understand that candidates may feel the need to meet 100% of the job criteria before applying. If you don’t meet every requirement, don’t worry—at SumUp, we value growth and learning, and we’d love to help you develop your career.

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.