Desenvolvedor Backend Sênior

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Backend Developer (Desenvolvedor Backend Sênior) based in Brazil. We are looking for a Senior Backend Developer to help build and evolve critical platforms that power credit origination and financial operations. You will take technical ownership of initiatives spanning multiple services, from solution design through production monitoring and support. The role involves designing resilient integrations with public agencies, financial institutions, and third-party providers, where reliability, traceability, and data consistency are essential. You will contribute to microservices architecture, improve system performance and security, and turn production incidents into lasting technical improvements. Beyond delivering code, you will help raise engineering standards through thoughtful reviews, mentoring, and technical decisions. This is a remote-first environment that values autonomy, continuous learning, technical excellence, and practical problem-solving.