This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Master Developer based in Brazil. As a Software Master Developer, you will serve as a senior technical reference within a development team, combining hands-on engineering with technical leadership and mentorship. You will design and implement scalable, high-performance cloud-native solutions using Microsoft Azure, Java, and modern microservices architectures. The role focuses on the modernization of a large-scale messaging platform supporting a global aviation business. You will work with event-driven architectures, distributed systems, messaging technologies, and containerized applications in a DevOps-oriented environment. Beyond delivering robust solutions, you will help establish engineering standards, guide technical decisions, and mentor other developers. This is an opportunity to tackle complex technology challenges while contributing to secure, resilient, and maintainable enterprise software.