Marc Antoni Mas
I'm a developer with a passion for blockchain technology and web3 applications.
What I Do
I'm skilled in developing applications using blockchain technology, including smart contracts and decentralized systems. My knowledge spans both public and private blockchains, and I'm eager to apply my skills in real-world projects.
What I'm Looking For
I'm excited to join a team working on innovative Web3 projects that push the boundaries of what's possible in the decentralized space. I'm looking for a collaborative environment where I can grow professionally and contribute to the development of cutting-edge Web3 applications.
My Skills
JavaScript
TypeScript
Solidity
Python
VBA
Ethereum
Foundry
Metamask
Hardhat
ethers.js
React
Vue.js
HTML
CSS
TailwindCSS
Next.js
Astro
Express
MongoDB
SQL
Node.js
Docker
Git
VS Code
Advanced
Intermediate
Basic
My Projects
Web3 Fund Me
Basic Fund Me web3 app using foundry for testing and deploy the smart contract on local network.
Psychology Website
Comprehensive and responsive website for a psychology practice, PereBarceloPsicologo.
Professional Background
Transitioning from renewable energy, I bring a robust foundation in software development and problem-solving, aiming to leverage my skills in full-stack development and contribute to innovative Web3 projects.
My Journey to Full-Stack & Web3
Driven by a passion for building dynamic web applications and exploring the potential of decentralized technologies, I've dedicated myself to mastering full-stack development. My experience in creating custom software solutions and managing complex data systems provides a strong base for building both traditional and Web3 applications. I've also been actively learning Solidity and exploring blockchain architecture, building personal projects to deepen my understanding of decentralized technologies.
Relevant Technical Experience
Software Development & Automation
2021-2024- Spearheaded development of custom JavaScript tools, enhancing front-end functionality and team productivity
- Engineered data pipelines and analysis systems, including working with APIs and databases, automating reporting and saving many hours weekly
- Implemented project monitoring solutions, improving efficiency
- Developed and mantain VBA applications for technical studies.
Technical Leadership
2021-2024- Led a team of 3 in implementing innovative technical solutions
- Managed 5+ complex projects simultaneously, all delivered on time and within budget
- Optimized system efficiency, leading to a significant increase in overall productivity
Key Transferable Skills
Full-Stack Development Focus with Web3 Interest
My experience in building robust software solutions, combined with my passion for Web3, positions me as a versatile full-stack developer eager to contribute to innovative projects. I'm particularly interested in applying my skills to develop decentralized applications and explore the potential of blockchain technology.
Certificates
Full Stack open - Deep Dive Into Modern Web Development
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.
December 2024
Blockchain: Understanding its Uses and Implications (LFS170)
February 2025
Ethereum and Solidity: The Complete Developer's Guide
Use Ethereum, Solidity, and Smart Contracts to build production-ready apps based on the blockchain.
April 2025
Introduction to Hyperledger Self-Sovereign Identity Blockchain Solutions
How Hyperledger Aries, Indy, AnonCreds, and Ursa add a necessary layer of trust to the Internet.
2025
Languages
Speak, Code and Design
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!

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