Portfolio 2026
Open to work

Agustín

Valles

Full-Stack & AI Systems Engineer

Building intelligent systems & modern platforms

PastFull-Stack DeveloperEGA Mena
Learning42 MadridFundación Telefónica
BasedMadridSpain
Node.jsReactNext.jsTypeScriptAI/ML
Experience

Selected Work

2024
Present

Full Stack Developer

The Esports and Gaming Agency

Building and scaling a tournament management platform for Riot Games.

See Project
ReactNext.jsNode.js
The path so far

My Journey

2021

First Steps

PayChange — Age 14

Built my first real platform at 14: an automated PaysafeCard to PayPal exchange with a custom Android app. Self-taught PHP, MySQL, and the thrill of shipping something real.

2023

Going Deeper

PartyRider Bus

Built a full ticketing platform with QR codes, Stripe payments, Firebase auth, and an admin dashboard. First taste of real-world payment systems and production users.

2024

Leveling Up

GoRider SaaS & EGA Mena

Launched a multi-platform SaaS for event transportation. Joined EGA Mena as Full-Stack Developer, building tournament platforms for Riot Games. Started 42 Madrid.

2025

AI & Beyond

Pieza, Turia, AIVE, KesslerX

Built AI-powered creative tools, won hackathons with predictive tourism AI, created browser extensions for 42. Merging engineering with artificial intelligence.

Side projects

Personal Projects

PHP, TailwindCSS, jQuery, MySQL, Android Studio2021

PayChange – Automated Paysafecard to PayPal Exchange Platform

Built at 14, PayChange was a web platform that automated the exchange process from PaysafeCard to PayPal, including a custom Android App and admin dashboard.

More Information
PHP, MySQL, TailwindCSS, jQuery, Google Firebase, Stripe2023

PartyRider Bus – Event Transportation and Ticketing Platform

A complete PHP-based platform for booking bus tickets to concerts and festivals, featuring user accounts, QR tickets, Stripe payments, and admin tools.

More Information
Next.js, React, Vite, Node.js, MongoDB, TailwindCSS, Radix UI, Shadcn UI, Stripe2024

GoRider – SaaS Platform for Event Transportation Management

A SaaS platform that allows promoters to create, manage, and sell bus tickets for events through a complete multi-platform system.

More Information
Python, Tkinter, Selenium WebDriver, ChromeDriver, Node.js, MongoDB, Telegraf2024

Renfe Automatizer – Automation Bot for Recurring Train Passes

A desktop application that automates the search and purchase of Renfe's recurring train pass tickets, eliminating manual refreshing and increasing booking success on high-demand routes.

More Information
Next.js, React, TypeScript, Tailwind CSS, Shadcn/ui, Radix UI, Framer Motion, React Hook Form, Zod2025

AIVE Agency Landing Page

Modern and minimalist landing page for an AI agency specializing in business automation, showcasing AI implementation services and impact through before/after transformations.

More Information
JavaScript, HTML, CSS, Chrome Extensions API, LocalStorage2025

42 Intra Header Redesign – Chrome Extension for 42 Network

A modern, responsive Chrome extension that completely redesigns the 42 Intranet header with glassmorphism effects, enhanced milestone tracking, custom backgrounds, and improved stats display.

More Information
Python, Machine Learning, Predictive Analytics, Data Architecture, AI2025

[Hack4Travel Hackaton] Turia — Predictive AI for Sustainable Tourism

An AI-driven predictive system built at Hack4Travel (TUI Care Foundation × Wayra x Target 8.9) to anticipate tourist demand peaks and intelligently redistribute visitor flows toward less-saturated destinations.

More Information
Next.js, TypeScript, Canvas API, Radix UI, Tailwind CSS v4, MiniMax AI, JSZip2025

Pieza — Creative Ad Studio with AI

A real-time ad creative studio built on the native Canvas API, featuring Magic Setup AI that generates creative strategy, copy, color palette and typography from a plain-language brief in seconds.

More Information
React, react-three-fiber, Three.js, Zustand2025

[HackSat Hackaton] KesslerX – Simulador de Colapso Orbital

Simulador interactivo 3D que visualiza el Síndrome de Kessler en órbita terrestre baja (LEO). Permite experimentar con escenarios de saturación orbital y simular colisiones en cascada.

More Information
Get in touch

Let's Connect

Always open to new opportunities, collaborations, and projects — building smart, scalable, and truly modern solutions together.