Desenvolvedor(a) de Software Sênior Backend (vaga temporária)

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) de Software Sênior Backend (vaga temporária) based in Brazil. This is a senior software engineering opportunity focused on building and maintaining reliable digital products across backend, web, and mobile environments. You will work primarily with JavaScript/TypeScript and Node.js while contributing to React-based web and mobile applications. The role combines hands-on development with technical decision-making, architecture, code quality, and production support. You will collaborate closely with multidisciplinary teams using Scrum and contribute to planning, refinement, estimation, and delivery. The position also involves Azure services, CI/CD pipelines, automated testing, observability, and secure integrations. You will have the opportunity to use AI development tools to accelerate coding, testing, troubleshooting, documentation, and automation. This is a temporary engagement suited to an autonomous senior professional who takes ownership of technical outcomes and delivery quality.