Designed and implemented various REST APIs under hexagonal architecture for transactional management of supplier payments for different banks in Colombia, using Kafka for handling real-time data flows for different listeners. Implemented with Java 17 and Spring Boot, supported with MongoDB and distributed caching with Redis, all executed in GitLab pipelines and Docker.

Developed REST services using Java 8 and 11 in Gradle for the expansion of functionalities of the new transactional banking portal of the Banco de Occidente, specifically the creation of services for sending portal analytics, all supported in the AWS cloud. Participation in projects: Banking Portal Banco de Occidente - Client Aval Digital Lab.

Mobile application for affinity group control developed in Spring Boot and Xamarin Forms.

Mobile application for export product control developed in Node.js and Xamarin Forms.

Mobile application for hiring domestic employees and general services developed in Spring Boot, Node.js and Xamarin Forms.

Web application for the search and comparison of Colleges developed in Node.js and NoSQL database MongoDB.

Developed REST and SOAP services using Java Spring Core and Spring Boot over JPA, Hibernate with relational databases like PostgreSQL, MySQL, and Oracle 12c, implementing Microservices Architecture with Docker Containers. Projects participation: Claro Hitts, MinTic, Banco Caja Social.

Developed REST services using Node.js and NoSQL database (MongoDB) to build a POS mobile for Android platform.