Sr. Software Developer – Application Migration & Modernization

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Sr. Software Developer – Application Migration & Modernization based in Brazil. We are looking for a senior software developer to support application migration and modernization initiatives, helping improve the performance, maintainability, and scalability of existing business systems. In this role, you will work with established Microsoft technologies and database platforms to modernize legacy applications while preserving critical functionality. You will contribute to backend development, application architecture, database optimization, and integration solutions across enterprise environments. The position also involves supporting cloud infrastructure and implementing reliable deployment practices through CI/CD pipelines. You will have opportunities to leverage AI-assisted development tools and agentic workflows to improve engineering efficiency. This remote opportunity is suited to an experienced developer who combines strong technical expertise with a practical, modernization-focused mindset.