Pessoa Desenvolvedora Fullstack Sr – Next.js/NestJS

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 Fullstack Sr – Next.js/NestJS based in Brazil. This senior fullstack role focuses on building SaaS solutions that turn complex business challenges into practical digital products. You will work across frontend, backend, middleware, and core product layers, contributing to solutions from problem definition through production. The position combines strong engineering skills with product thinking, requiring you to understand user needs and challenge assumptions before implementation. You will use AI-assisted development as a core part of your workflow, orchestrating agents while maintaining ownership of architecture, quality, security, and performance. You will also help bring AI-powered capabilities into production and measure their real-world impact. The role offers significant autonomy, close collaboration with product and design, and an environment centered on continuous learning and innovation. This is a fully remote opportunity open to professionals across Brazil.