Pessoa Desenvolvedora Back-end .NET Core Sênior

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Pessoa Desenvolvedora Back-end .NET Core Sênior based in Brazil. This is an opportunity for a senior backend developer to contribute to the design and delivery of complex, scalable technology solutions in a remote-first environment. You will play an important role in shaping product direction, making technical decisions, and building high-performance backend applications using .NET. The position combines hands-on engineering with architectural contributions, API design, and a strong focus on software quality and security. You will collaborate with multidisciplinary teams, influence development practices, and help improve system architecture and delivery processes. As a technical reference within the team, you will also mentor less experienced developers and promote knowledge sharing. The role offers the opportunity to work in an innovative, collaborative culture that values autonomy, continuous learning, and engineering excellence.