Mateo - Software Engineering Intern

Demonstrated experience with JavaScript.

Demonstrated experience with React.

Demonstrated experience with Next.js (App Router).

Demonstrated experience with React Native.

Demonstrated experience with HTML.

Designed, developed, and deployed a web platform for athlete nutritional intake registration and monitoring, adopted by approximately 400 athletes and a 6-10 person administrative team, replacing manual Excel spreadsheets and paper-based tracking.. Gathered requirements from multiple departments and translated them into technical features, delivering a solution aligned with real organizational needs.. Supported and maintained information systems used across multiple departments within the organization.

Built a full-stack event ticketing application with Next.js 16 (App Router), Supabase, Stripe, and Vercel deployment — covering authentication, payment processing, webhook handling, and an admin panel.. Led the migration of a sports-nutrition management system (SAV / food_village_db) from Next.js to Laravel 13 + React + Inertia.js, including the meal-scheduling calendar module, athlete data importer, and a forced first-login password-change flow.. Resolved PHP version compatibility issues (8.3 vs 8.4+) and replaced a deprecated dependency (maatwebsite/excel) with phpoffice/phpspreadsheet to restore data export functionality.. Implemented Argon2id password hashing for secure athlete-user imports and a secret-header-protected API endpoint for admin account creation.. Developed mobile applications with React Native and data analysis solutions with Python.

Provided administrative and logistical support for sporting events and high-performance athlete operations.