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mattow02/README.md

Hey, I'm Mattéo 👋

I build and run Cobaalt, a web agency in Alsace, France. I make websites for local businesses and I hand them the keys, so they can run the site themselves without calling anyone.

Outside the agency I write the things that interest me: a library that contains every possible book, a bot that trades on its own, a scanner that ranks rental properties by yield.

Starting at École 42 this autumn.

What I'm working on

Project What it is Tech
Cobaalt Web agency: sites, online booking, online shops, and a client area to manage it all. Private repo Next.js, TypeScript, Supabase, Stripe
Library of Babel Borges' infinite library, walkable in 3D. Every book is computed in your browser from a reversible bijection: nothing is stored, because 25^1312000 books cannot be TypeScript, React Three Fiber, WebGL
Flair Automated trading bot with a live dashboard, walk-forward validated. Private repo Python, FastAPI, Next.js
Immo Scanner Scans 7 property portals, scores rental yield, exports a ranked report Python
Immo Gestion Property management for landlords and tenants Next.js, Supabase
Glacia Survival game set in Antarctica, playable on itch.io Godot, GDScript

Earlier work

Network simulation in C with switches, MAC learning and Spanning Tree · Battleship in Java with an MVC architecture and a configurable AI · Firefighter station management in C# Windows Forms.

Tech I use

Frontend    TypeScript · React · Next.js · Tailwind · Three.js · Vite
Backend     Node.js · Python · FastAPI · PostgreSQL · Supabase
Tools       Git · Linux · Vercel · Playwright · Vitest · pytest
Other       C · C# · Java · GDScript

Contact

Open to freelance work and to an internship.

Pinned Loading

  1. babbel babbel Public

    Borges' infinite library, walkable in 3D. Every book is computed in the browser from a reversible bijection: nothing is stored.

    TypeScript 1

  2. bataille-navale bataille-navale Public

    Battleship game in Java 17 with MVC architecture, Swing GUI and configurable AI

    Java

  3. Glacia Glacia Public

    Survival management game set in Antarctica, built with Godot Engine

    GDScript

  4. immo-gestion immo-gestion Public

    Property management for small landlords: units, leases, rent tracking, PDF receipts. Next.js, TypeScript, Supabase.

    TypeScript

  5. immo-scanner immo-scanner Public

    Scan French real estate listings across 7 sites, score rental yield, export ranked Excel reports.

    Python

  6. Projet-Reseaux Projet-Reseaux Public

    Network simulation in C with switches, Ethernet frames, MAC learning and Spanning Tree Protocol

    C