(Senior) Backend Engineer
SumUp
Location: São Paulo, Brazil, Brazil
**(Senior) Backend Engineer at SumUp in São Paulo, Brazil** **What you'll do** - Own the architecture by designing and authoring RFCs that shape domain evolution - Write and review high-quality code, taking full ownership of backend delivery - Drive technical standards through clear documentation, testing practices, and CI/CD improvements - Mentor and grow the team by pair-programming and developing other engineers - Collaborate with Engineering Manager, Product Manager, and stakeholders to translate business needs **What they're looking for** - Solid backend development skills with experience in Go or strong functional programming experience - Strong expertise in code design, automated testing, CI/CD, performance optimization - Track record of leading technical projects end to end - Hands-on experience with AWS Cloud services and SQL optimization - Advanced English proficiency **Details** - Location: São Paulo, Brazil - Type: Not specified - Salary: Not specified