Built backend and web features for SICC, developed APIs for maintenance management, integrated SCADA modules, supported system integration, and participated in all SDLC phases.

Developed backend services and APIs for SICC and Bogota Metro, contributed to backend architecture, SCADA integration, and full software lifecycle using Node.js, PostgreSQL, Docker, CI/CD, and microservices.

Created REST APIs, worked with Agile teams, did code reviews, and contributed to backend development for enterprise applications.

Designed and implemented REST APIs for enterprise apps, collaborated with distributed teams, and participated in code reviews and backend service development using Node.js and PostgreSQL.

Built web applications, integrated databases and external services, participated in feature development, debugging, and performance improvements.

Developed web apps with Ruby on Rails, implemented backend logic, APIs, frontend features, and integrated relational databases.