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This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Desenvolvedor BackEnd Node - Pleno based in Brazil. This is an opportunity for a mid-level Backend Developer to build and evolve scalable digital products using Node.js. You will design and maintain APIs and backend services while working with both relational and NoSQL databases. The role combines hands-on development with a strong focus on code quality, security, performance, and scalability. You will collaborate closely with frontend, mobile, and product teams to turn technical requirements into reliable solutions. You will also contribute to architecture decisions, refactoring, code reviews, and continuous improvement initiatives. The environment values autonomy, collaboration, problem-solving, and modern engineering practices. It is a strong fit for someone who wants to deepen their backend expertise while contributing to meaningful technology projects.