Maintenance and evolution of enterprise systems, handling error tickets and new use cases via Jira. Managed the full development lifecycle including correction, deployment, and production verification.

Development and maintenance of critical systems for the Instituto de Previsión Social (IPS), focusing on pension benefit management as part of the Payment Reform.

Development and evolution of enterprise platforms with a backend focus. Designed and built scalable microservices, migrated databases, and implemented process automation and frontend development using agile methodologies.

Installation, configuration, and maintenance of hardware and software. Diagnosed and repaired equipment, managed warranties, and administered support tickets under SLAs.

Direct technical support for installation and configuration of POS terminals. Provided user training and conducted onsite troubleshooting.

Led the migration process of a legacy system from Visual Basic 6.0 to Visual .NET, including database migration from Access to SQL Server 2005/2008 and UI redesign.