Responsible for developing and maintaining the systems related to the Claro Movel application, focusing on the purchase and provisioning of annual plans. Utilized Java Spring Boot, Microservices, PostgreSQL, and AWS. Participated in agile squads, applied SOLID principles, and collaborated on caching, performance, and observability strategies.

Delivered backend development training focusing on Node.js, TypeScript, RESTful APIs, and Clean Architecture. Guided students through hands-on projects, implementing unit tests with Jest and applying SOLID principles.

Designed, developed, and maintained RESTful APIs using Node.js and NestJS. Implemented microservices architecture, developed front-end features using React, and managed PostgreSQL and MongoDB databases. Used Docker and Kubernetes, applied unit testing with Jest, and contributed to a project that reduced customer churn by 30%.

Provided professional training in Node.js and SQL, focusing on secure API development and integration practices.

Coordinated and created content for the Certified Tech Developer program, including backend development with Node.js, Java, and REST API architecture. Developed and deployed chatbots with Dialogflow and provided training on microservices architecture, clean architecture, and SOLID principles.

Developed and maintained back-end services in Node.js, integrated third-party services via RESTful APIs, and managed MongoDB and MySQL databases. Implemented CI/CD workflows using Docker and participated in the migration of monolithic services into microservices.

Taught backend development using Java, databases, and API consumption tools. Applied agile methodologies in class projects to simulate professional development environments.

Developed enterprise solutions using Java and Spring Boot with RESTful APIs and SQL databases. Worked with Oracle-based products and integrated APIs for internal and client systems.