(Senior) Backend Engineer

Навыки

• AWS
• CI/CD
• Room / Realm / CoreData
• Ответственность за результат
• SOLID и паттерны
• SQL
• Работа в команде

О компании и продукте

• 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.

Задачи

• 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
• 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
• 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

Требования

• Solid backend development skills, with experience in Go, or strong experience in functional backend programming languages with a genuine drive to master Go quickly
• 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

Условия

• 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
• SumUp’s Innovation Hackathon
• Get to know our hiring process
• Ready to Join us?
• Job Application Tip
• 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

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