PL/SR Desenvolvimento Fullstack (Java e React)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a PL/SR Desenvolvimento Fullstack (Java e React) based in Brazil. This role offers the opportunity to design, build, and evolve robust, scalable, and highly available solutions impacting millions of users. You will work across backend and frontend technologies while contributing to the continuous evolution of a complex microservices ecosystem. The position combines hands-on development with a strong focus on architecture, code quality, observability, and technical sustainability. You will help maintain a healthy codebase by applying Clean Code, Clean Architecture, and modularization principles while addressing technical debt. The environment emphasizes high technical complexity, engineering excellence, automated testing, and reliable API-driven solutions. You will collaborate within agile teams, solve challenging technical problems, and contribute to solutions designed for scale and long-term maintainability. This is a strong opportunity for a mid-to-senior engineer who wants to make a direct impact on large-scale digital products.