Developed and maintained web apps using .NET Core, MVC, Razor, Blazor. Participated in architectural decisions and technical debt reduction for scalability.

Maintain and enhance a mission-critical document management platform for government institutions. Performance optimization, system stability, .NET Core, MVC, Razor, Blazor, Agile/Scrum.

Used Application Insights, SQL Server, Azure Storage. Supported enterprise clients (Chubb, Nubank, Mercado Libre, etc.) with system reliability and incident resolution.

Monitored and optimized Azure-based production environments, provided technical support for financial sector clients, ensured high availability across LATAM.

Supported digital transactions (PSE), contributed to large-scale enterprise web platform, maintained government systems.

Designed and implemented tax collection modules, integrated secure payment gateways, enhanced accounting modules.