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Omar Beltran

@omarbeltran

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Senior Java backend developer at Green Móvil S.A.S. who modernized legacy applications to Java 17 and 21.

Colombia

Message

At Green Móvil S.A.S., I migrated enterprise applications from Java 7 and 8 to Java 17 and 21, and developed Spring Boot REST APIs connecting company systems with external systems.

I also refactored legacy code using SOLID principles, documented APIs with Swagger/OpenAPI, and deployed releases to GlassFish. At Jorjweb Ltda., I developed custom Java enterprise applications and integrated React and Angular interfaces with Java backend services.

Experience

Work history, roles, and key accomplishments

Analista TIC (Desarrollador Backend Java)

Green Móvil S.A.S.

Jul 2021 - Aug 2026 (5 years 1 month)

Migrated enterprise applications from Java 7/8 to Java 17/21, designed REST APIs with Spring Boot, and reduced technical debt through refactoring. Led full development lifecycle, deployed to production, and implemented CI/CD processes.

Java Spring Boot REST APIs Microservices SOLID Refactoring Swagger OpenAPI Glassfish CI CD Git GitHub MySQL PostgreSQL Agile Scrum

Desarrollador de Software Java

Jorjweb Ltda.

Jul 2013 - Apr 2020 (6 years 9 months)

Developed custom enterprise applications in Java, applied unit and integration testing, and documented code with Javadoc. Participated in client meetings for requirements gathering and evolved to technical reference.

Java Unit Testing Integration Testing Javadoc CVS GitHub React Angular