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Matiasjs1/README.md

Matias Sesto - Full Stack Developer

Hi there, I'm Matias 👋

Full Stack Developer from Buenos Aires, Argentina 🇦🇷
I design, build and ship web apps, smart contracts and real-world systems that solve real problems.

Portfolio LinkedIn Email

🚀 What I do

Full stack developer focused on building and shipping. I've shipped live games with real daily players, written Solidity smart contracts for an on-chain school-cooperative platform, and built real-time multiplayer, reservation and IoT systems.

  • 🎮 Games: Animedle and AnimeLink are live daily-guessing games (MERN).
  • ⛓️ Blockchain: FirstRound smart contract for Coppay, an on-chain platform for school cooperatives (with the ETH Kipu Foundation).
  • 🌐 Web systems: real-time debate platform, paintball booking, shipping/logistics, AI chat.
  • 🔌 IoT / hardware: plant-monitoring app with ESP32 + Arduino.

Currently: open to work opportunities, freelance projects and collaborations.

📊 GitHub

Followers Stars

🛠️ Tech Stack

Frontend

React Vite JavaScript HTML5 CSS3

Backend & Databases

Node.js Express MongoDB PHP MySQL Socket.io

Blockchain

Solidity Foundry OpenZeppelin

Languages

Java Python C++ SQL

Hardware, Tools & Deployment

Arduino Git GitHub Docker Vercel Netlify Render Streamlit

🌟 Featured Projects

🎌 Animedle

Wordle-style anime guessing game with 7 modes (Classic, Emoji, Opening, Pixel, Silueta, VS multiplayer). Live daily challenge with stats & streaks.

Live: animedle.lat

MERN

🔗 AnimeLink

Daily Connections-style puzzle for anime fans: group 9 items into 3 hidden categories. Hints, lives, archive & anti-cheat.

Live: animelink.lat

MERN

⛓️ Coppay

On-chain platform for CABA school cooperatives. I wrote the FirstRound contract (proposals, 7-day voting, double-vote prevention). Built with the ETH Kipu Foundation.

Solidity

🗣️ Deb8

Formal debate platform: real-time debates by voice or text, 2-4 people, moderation, sanctions and personal stats.

Live: deb8-6p72.onrender.com

MERN + Socket.io

🎯 Paintball Booking

Real-time booking system for paintball fields: 3 courts, hourly pricing, online payment and double-booking prevention. In production since 2010.

Live: reservas-paintball.free.nf

PHP + MySQL

🌱 Plant It

Plant-monitoring web app (MERN) with an ESP32 sensor node. Samsung Solve for Tomorrow semifinalist.

MERN + ESP32

🌐 Live & In Production

📚 More on my GitHub

Every project has a nice README with the full picture: how it works, the stack, and how to run it. Check them out 👇

Repos

📬 Get in touch

GitHub contribution snake

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  1. EthereumCodes EthereumCodes Public archive

    Solidity

  2. JBrain JBrain Public

    JBrain: app de escritorio (Java Swing + MySQL) para crear formularios de preguntas, armar salas y ver estadísticas por alumno.

    Java 1

  3. Reservas-Paintball Reservas-Paintball Public

    Sistema de reservas online de campos de paintball. 3 campos, tarifas por hora y prevención de reservas dobles (PHP + MySQL).

    PHP 1

  4. deb8 deb8 Public

    Deb8: plataforma de debate formal con voz y texto. Debates de 2 a 4 personas, moderación por votación, sanciones y estadísticas (MERN).

    JavaScript 1

  5. FacundoChajade/Supermercado-Python FacundoChajade/Supermercado-Python Public

    Python