Sergio Fernández García Email & Phone Number

Burgos, Cl, Es

Burgos, Castile And León, Spain.

Freelance collaboration with the University of Burgos in the development and maintenance of web applications.• Maintained and improved a university carpooling web application, including bug fixes and feature enhancements, ensuring a responsive design.• Developed a new admin panel with detailed information and enhanced control, enabling database modifications.• Significantly reduced repetitive API queries by reworking the route generation approach, expanding the database to store all relevant information for future use.• Created a web application for portfolio analysis, allowing users to import IBEX35 data in Excel format and visualize it through interactive charts, leveraging Laravel and Vue.js.

Burgos, Castile And León, Spain

Development and maintenance of web applications focused on generating optimal travel routes for both private companies and the university.• Maintained and improved a legacy web application focused on route generation for transportation companies, including code refactoring, bug fixes, and new feature development using Laravel.• Designed and developed the database for a carpooling web application in MySQL, including migrations and seeders in Laravel.• Implemented interactive maps using the HERE Maps API with JavaScript.• Developed an email-sending system using PHPMailer, ensuring well-structured and refactored code.• Managed validations and testing to ensure the quality and proper functionality of the application.• Administered the production environment with Plesk, ensuring efficient and stable deployments.