This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Migration Expert (SQL Server to PostgreSQL) based in Brazil. We are seeking an experienced database migration specialist to lead complex migrations from Microsoft SQL Server to PostgreSQL. In this role, you will leverage deep expertise in T-SQL internals, PostgreSQL architecture, and database performance optimization to ensure reliable, efficient cross-platform transitions. You will take ownership of migration planning, schema conversion, procedural code transformation, and data validation. Working with modern development and documentation tools, you will also help streamline migration workflows through automation and scripting. Your technical insights will contribute to improved database performance, maintainability, and operational reliability. This remote opportunity is ideal for a seasoned database professional who enjoys solving complex technical challenges and sharing expertise with other engineers.