Desenvolvedor(a) Backend .NET Pleno

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor(a) Backend .NET Pleno based in Brazil. This is a mid-level backend engineering opportunity focused on building and evolving critical systems within a technology-driven financial environment. You will work on registration, onboarding, and integration platforms using C#, .NET, APIs, workers, messaging, and distributed systems. The role combines new development, system maintenance, troubleshooting, testing, observability, and technical modernization. You will contribute to reliable, scalable, and resilient services that support important customer and business processes. The position offers significant technical ownership, requiring autonomy, investigative thinking, and careful consideration of risks and dependencies. You will collaborate through code reviews, technical discussions, incident resolution, and continuous improvement initiatives. This fully remote role is ideal for a developer who enjoys solving complex backend challenges and continuously strengthening their technical expertise.