I've supported and evolved critical financial systems at Itaú through NTT DATA, improving reliability, stability, and quality in a high-criticality environment.
I migrated legacy VB6 and .NET Framework applications from Windows Server 2003 to Windows Server 2019, resolved production incidents for an equities brokerage, and maintained integrations as parallel systems modernized. I also worked with SQL Server, GitHub Actions, SonarQube, and Splunk to maintain 80% minimum test coverage and strengthen application observability.
Previously, at Faculdade FAEL and Grupo Positivo, I evolved academic systems, integrated Sicoob's API for student billing, automated digital certificate generation, and optimized SQL Server and Oracle reporting for platforms serving more than 100,000 students.
