Guillermo Mena
Frontend Developer from Madrid, Spain
Developer with 5+ years of experience , specializing for the past two years in frontend development with React , JavaScript and TypeScript , and with previous experience in game engineering with Unity. I also apply my expertise to indie projects, where I've scaled my own Flutter apps to 370,000+ downloads while experimenting with a broad range of other technologies.
Work Experience
Frontend Developer
Engineered payment modules and scalable UI components for Inditex's internal ecosystem using React and JavaScript. Optimized the integration of REST APIs while ensuring platform stability through a testing architecture based on Vitest and Cypress.
Unity Developer
Led the development of immersive VR and interactive museum installations, integrating Unity with headless WordPress architectures for dynamic data management. Built internal tools and reusable components to automate workflows and streamline development.
Unity Developer
Freelance
Delivered interactive applications for enterprise clients across various sectors, specializing in high-performance multiplatform applications. Engineered real-time multiplayer social spaces using Photon Engine and provided post-delivery technical support and maintenance.
Education
Degree in Video Game Development and Design
Skills
Main Projects
Inditex Back Office
Worked on front-end features and interfaces aimed to improve an Inditex internal platform, used to manage all payments made in Inditex online stores worldwide.
Real Madrid Museum
Developed interactives and VR experiences for the official Real Madrid Museum. My work also focused on create reusable components to streamline team development.
Qatar Olympic and Sports Museum
Main programmer of interactive experiences for the Qatar Olympic and Sports Museum. This included 3D minigames, motion detection with Kinect and interactive panels with touchscreens.
SABIC Digital Experience Center
Main programmer of multi-device interactives for the headquarters of SABIC, a leading chemical company, including interactive tables, touch screens and AR experiences.
Exhibify
I developed a virtual exhibition creation tool for Exhibify, a platform that allows artists to create custom exhibitions to showcase and sell their works.
Color Rush
I developed a prototype 2D runner mobile game commissioned by Naolito Animation Studios, which included all the main mechanics and a level editor to facilitate the creation of new levels by the Naolito team.
Uttopion
I worked on incorporating multiplayer features and content updates for Uttopion, a metaverse where users can attend concerts, parties and other events in a 3D environment.
TodoLibros3D
I added multiplayer features to TodoLibros3D, a virtual library where users could now interact with each other in real time by creating their own custom avatars and via text chat.
Side Projects
WattLuz
Mobile app to check the electricity price in Spain in real time, with interactive graphs and customizable notifications to help you save on your electricity bill.
Nanito Launcher
Minimalist launcher for Android that offers a distraction-free user experience, with a clean design and a customizable interface.
Chupito
Mobile app that includes challenges and questions to liven up any party. With over 370,000 downloads, it has become one of the most popular apps in its category in several countries.
Pincho.io
Mobile game inspired by Agar.io, where players must attack others to grow and be the biggest in the game. The game reached +5,000 downloads on Google Play, but is currently no longer available.