Javier Medina
Full Stack Blockchain Developer
Caracas
Summary
As a full-stack blockchain developer, I offer complete services from designing secure smart contracts to building full decentralized applications (dApps). My expertise covers Solidity for on-chain logic and Web3.js/Ethers.js for blockchain interaction. I also excel at creating intuitive user interfaces with React and robust backends with TypeScript. I'm dedicated to delivering innovative, scalable, and transparent decentralized solutions within the Ethereum ecosystem.
Overview
2
2
Languages
Work History
Dynamic NFT
Personal Project
05.2025 - 05.2025
I created a dynamic NFT contract where the NFT's metadata and visual representation evolve on the blockchain based on programmed conditions, simulating the lifecycle of a butterfly and demonstrating advanced NFT capabilities.
"Create Your Own NFT" Platform
Personal Project
04.2025 - 05.2025
I designed and developed a complete dApp, from the smart contract in Solidity to the user interface in React/TypeScript, allowing users to mint their own NFTs in a simple and accessible way, simplifying the process of creating digital collectibles.
Decentralized Lottery
Personal Project
04.2025 - 04.2025
I developed a robust smart contract for a fully on-chain lottery, ensuring transparency, security, and automated prize distribution, eliminating the need for intermediaries.
Ethereum Challenge (Pokémon NFTs)
Personal Project
03.2025 - 03.2025
I implemented a smart contract as a solution to a development challenge, enabling the creation, ownership, and potential interaction of digital Pokemon in a decentralized manner, exploring the dynamics of digital collectibles on the blockchain.
Education
Web Development
10-2024
Ethereum Development For Blockchain Developers.
06-2024
Fundamentals of Cryptography
06-2024
Bitcoin For Developers
05-2024
Skills
Solidity
Meet people from other cultures
I am passionate about broadening my perspective and learning about the diverse ways people think and live, which enriches my understanding of the world.
Sports
Practicing sports regularly helps me develop discipline, manage stress, and improve my concentration, which translates into greater energy and mental clarity.
Timeline
Dynamic NFT - Personal Project
05.2025 - 05.2025
"Create Your Own NFT" Platform - Personal Project
04.2025 - 05.2025
Decentralized Lottery - Personal Project
04.2025 - 04.2025
Ethereum Challenge (Pokémon NFTs) - Personal Project
03.2025 - 03.2025
Platzi - , Web Development
Platzi - , Ethereum Development For Blockchain Developers.
Platzi - , Fundamentals of Cryptography
Platzi - , Bitcoin For Developers
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