Luis Manuel Barragán Guerrero Email & Phone Number

Querétaro, Querétaro Arteaga, México

Developed and maintained multiple modules of a large-scale Government Resource Planning Software using Oracle REST Data Services, Java, PL/SQL, and TypeScript.Analyzed user requirements gathered by the functional team.Planned development activities utilizing Scrum methodology and the company's ticketing system.Designed modular database structures with PL/SQL.Coded backend functionalities by creating and modifying database objects, managing version control through Git, and configuring Oracle REST Data Services.Coded frontend using TypeScript, Oracle Jet, JQuery and company utilities, managing version control via Git.Tested backend REST APIs with Postman to ensure functionality.Deployed backend components by executing PL/SQL scripts across various environments.Managed frontend deployments with SSH, NPM, Git, and Docker.Maintained the web application by addressing reported bugs and implementing updates as needed.

Xalapa, Veracruz, México

Developed and maintained three primary web applications using Spring Boot and React JS: a vehicle fleet manager, a disaster report system, and a document status search system.Conducted user requirement analyses through meetings and interviews to gather insights.Planned development using Scrum methodology for effective collaboration within a small team.Designed databases in MySQL Workbench, ensuring adherence to ACID properties, and created user interfaces in Figma.Coded the backend using the Spring Boot framework, integrating Spring Security and JWT for user authentication, and JPA/Hibernate for PostgreSQL or MariaDB database connections under the MVC design pattern.Developed the frontend with React JS, utilizing React Hooks and React Router for enhanced user experience, alongside Tailwind CSS or Bootstrap for styling.Tested backend REST APIs using Postman to ensure functionality and reliability.Deployed the backend as a daemon using Apache Maven on a Debian server.Deployed the frontend using Node.js and Nginx on a Debian server.Generated SSL certificates with Certbot to secure HTTPS connections for the applications.Maintained web applications by promptly addressing production bugs and implementing updates as needed.

Xalapa, Veracruz, México

Developed an automated administrative process for a web application.Analyzed user requirements through several meetings to gather insights.Designed databases and user interfaces using Visual Paradigm for clarity and efficiency.Coded the system’s backend using the Laravel framework, incorporating PDFtk Server for PDF generation and MariaDB for the database.Created the frontend with HTML, JavaScript, Bootstrap, and custom CSS to enhance the user experience.

Xalapa, Veracruz, México

Provided both in-person and remote technical support, performing preventive and corrective maintenance on SEFIPLAN's computers.

Ingeniero En Sistemas Computacionales, Redes Y Sistemas Distribuidos

Técnico En Soporte Y Mantenimiento De Equipo De Cómputo