[São Paulo] (Senior) Backend Engineer - SumUp

## About the company SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive! ## Job description - Guide engineering decisions and mentor other developers. - Design, implement, and maintain highly available backend services that process and reconcile transaction data at scale. - Redesign and evolve architectural systems to support the transition toward a standalone reconciliation and reporting application for payment receivables. - Collaborate with multiple squads and stakeholders to address urgent requests while protecting the squad’s long-term technical vision. - Optimize database performance, improve test coverage, and ensure observability, resilience, and reliability across systems. - Actively participate in architectural discussions within the Payments BR tribe. ## Local Hybrid - Pinheiros, São Paulo, SP. ## Nice to have - Have strong software engineering expertise, including code design, quality attributes, automated testing, CI/CD, performance optimization, resilience patterns, and distributed systems. - Are experienced with functional backend programming languages (experience with Golang is a plus). - Have deep experience with relational databases (especially PostgreSQL) and are comfortable with schema modeling, query optimization, and database tuning. - Worked with messaging queues (SQS, RabbitMQ) and stream processing platforms (Kafka). - Are comfortable working with MongoDB and Redis. - Are capable of producing clear, structured technical documentation. - Thrive in ambiguous environments, are adaptable, and can balance long-term technical improvements with short-term high-priority demands. - Have advanced English proficiency and can present and discuss technical topics effectively in public forums or cross-team settings. ## Why you should join SumUp - **Health plans, meal vouchers (VR), Zenklub, Wellhub, life insurance, childcare allowance**, and more. - **Career Growth:** Be part of a global team working on large-scale fintech products used by millions of businesses. - **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. - **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. ## Apply here https://www.linkedin.com/jobs/view/4354045702/?trk=mcm ## Labels ### Nível - Pleno - Sênior ### Regime - CLT ### Alocação - Híbrido - Pinheiros, São Paulo, SP