Developed and tested unit and integration tests for microservices; contributed to the new version of the Habanos Cuba website; maintained the Byhours Direct hotel-booking software; created libraries for AWS/Azure-based user and group management with metadata access permissions; built REST services for social users and interactions; migrated projects from ANT to Maven; designed and implemented applications supporting notarial processes; contributed to the Collection Management and Documentation System for the Prado Museum.

Specialist B in Computer Science at Desarrollo de Aplicaciones Tecnologias y Sistemas (DATYS)

April 1, 2019 - October 17, 2025

Developed modules for the ERP eTES+ using ADF; worked with OLAP databases to optimize large queries; developed ETL processes in Oracle as ERP data source; conducted ETL/ODI transformations; built OBIEE 11g reports and managed the Oracle BI repository; administered WebLogic application server.

Full Stack Developer at Freelancer

February 1, 2024 - Present

Design and development of custom web applications for small businesses and individuals; implemented REST APIs and database solutions using Java, Spring Boot, and PostgreSQL; built responsive Angular front-ends; performed maintenance, bug fixing, and performance improvements; collaborated with clients to gather requirements and deliver scalable, user-friendly solutions.