Marc Toni Mas profile picture
πŸ’» Developer
πŸ”— Blockchain
πŸš€ Innovator
🌐 Web3

Marc Antoni Mas

Passionate about AI-driven development, blockchain technology, and cutting-edge Web3 applications.

Learn more about my professional journey and background.

What I Do

β–Ό

What I'm Looking For

β–Ό

Technical Skills & Expertise

JavaScript

TypeScript

Solidity

Python

Ethereum

Foundry

Metamask

Hardhat

ethers.js

React

Vue.js

HTML

CSS

TailwindCSS

Next.js

Astro

Express

MongoDB

Node.js

Docker

Prisma

PostgreSQL

ChromaDB

Langchain

Git

VS Code

Windsurf

VBA

⭐

Advanced

JavaScript Solidity Metamask React Git VS Code Windsurf VBA
πŸ’ͺ

Intermediate

TypeScript Ethereum Foundry Hardhat ethers.js TailwindCSS Next.js Express MongoDB Node.js
πŸ“š

Basic

Python Vue.js HTML CSS Astro Docker Prisma PostgreSQL ChromaDB Langchain

My Projects

Web3 Fund Me

Basic Fund Me web3 app using foundry for testing and deploy the smart contract on local network.

Solidity React Ethers.js Metamask Foundry Tailwind

Psychology Website

Comprehensive and responsive website for a psychology practice, PereBarceloPsicologo.

Nextjs Typescrip Tailwind Headless WP Vercel

Personal Finance Tracker

A comprehensive personal finance management application. Tracking income, expenses, and investments in one place with powerful analytics and reporting features.

Nextjs API Tailwind Vercel PostgreSQL
Ongoing

Decentralize Lottery App

A lottery app on the ethereum blockchain using Chainlink as oracle

Nextjs Typescript Solidity Foundry Tailwind Vercel

Professional Background

Full-stack developer with a passion for Web3, transitioning from renewable energy with strong problem-solving skills and experience in building robust software solutions.

My Tech Journey

Passionate about full-stack development and decentralized technologies. Skilled in creating custom software solutions and managing complex data systems. Continuously expanding expertise in blockchain development and smart contracts.

Key Experience

Full-Stack Development & Web3

2024-Present
  • Developed responsive web applications using modern frameworks
  • Integrated RESTful APIs and managed databases for end-to-end solutions
  • Implemented blockchain features including smart contracts and wallet integration

Software Development & Automation

2021-2024
  • Developed JavaScript tools and automated reporting systems
  • Built data pipelines and APIs
  • Created VBA applications for technical analysis

Technical Leadership

2021-2024
  • Led technical team on multiple projects
  • Managed complex project deliveries
  • Optimized system performance

Core Skills

Full-Stack Development Blockchain Web3 APIs Responsive Design JavaScript Automation VBA Data Analysis Software Development Leadership Project Management System Optimization

Web3 Focus

Combining full-stack development skills with a deep interest in blockchain technology to build innovative decentralized applications.

Certificates

Full Stack open - Deep Dive Into Modern Web Development

December 2024

React, Redux, Node.js, MongoDB. Introduction to modern JavaScript-based web development. Building web applications with ReactJS that use REST APIs built with Node.js.

View Official Certification

Full Stack open - TypeScript

January 2025

View Official Certification

Full Stack open - Containers

2025

Introduction to container technology and its use in web development.

In Progress
The Linux Foundation

The Linux Foundation

5 certificates

Blockchain: Understanding its Uses and Implications (LFS170)

February 2025

View Official Certification

Getting Started with Self-Sovereign Identity (LFS178)

April 2025

View Official Certification

Introduction to Hyperledger Self-Sovereign Identity Blockchain Solutions (LFS172x)

May 2025

How Hyperledger Aries, Indy, AnonCreds, and Ursa add a necessary layer of trust to the Internet.

Becoming a Hyperledger Aries Developer (LFS173x)

2025

Develop identity focused applications using blockchain.

In Progress

Hyperledger Fabric: Design, Develop, and Deploy (LFS270)

2025

Design, develop, and deploy blockchain solutions. Write smart contracts, manage Chaincode, handle private data, and create Node.js client applications.

In Progress
Udemy

Udemy

2 certificates

Ethereum and Solidity: The Complete Developer's Guide

April 2025

Use Ethereum, Solidity, and Smart Contracts to build production-ready apps based on the blockchain.

View Official Certification

Generative AI for NodeJs: OpenAI, LangChain - TypeScript

June 2025

Developed LLM-powered apps with LangChain, using wrappers, chains, and agents, and integrated vector databases like Pinecone and ChromaDB.

Languages

Speak, Code and Design

Spanish Native
Catalan Native
English Professional
German Basic

Get In Touch

Let's Talk

Whether you have questions, ideas, or just want to chat, I'd love to hear from you. Let's start a conversation and see where it leads!

Email

[email protected]
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Telegram

@mtmarctoni
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LinkedIn

@marctonimas
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GitHub

@mtmarctoni
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Location

Palma de Mallorca
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Contact Me

"To give real service you must add something which cannot be bought or measured with money, and that is sincerity and integrity."