Work Experience
Full Stack Developer - VitaWallet (VitaWallet Web Applications)
Duration: Aug 2021 - October 2025
Summary:- Development and maintenance of web applications for VitaWallet, a platform likely focused on digital wallet services
- The project involved integrating third-party financial services such as Binance, Circle, and various banks to facilitate transactions and financial operations
Responsibilities:- Developed and maintained web applications using Ruby on Rails.
- Integrated third-party services using APIs such as Binance, Circle, and different banks.
- Maintained existing codebase and developed unit and integration tests.
- Utilized front-end technologies including React, React Admin, React Native, and JavaScript.
Technologies: Ruby, Ruby on Rails, React, React Admin, React Native, JavaScript
Full-Stack Developer Blockchain Solidity (Freelance) (Blockchain and Smart Contract Development)
Duration: Dec 2021 - Present
Summary:- Development of blockchain-based front-end applications and smart contracts using Solidity
- The projects included creating various tokens such as ERC20 and ERC721, leveraging blockchain development tools and frameworks to build decentralized applications
Responsibilities:- Developed front-end applications with React JS, Web3 JS, Ethers JS, and CSS.
- Developed Solidity smart contracts using Truffle, Hardhat, Ganache, Infura, Metamask, Etherscan, OpenZeppelin, and other blockchain tools.
- Implemented various token standards including ERC20 and ERC721 in smart contracts.
Technologies: React JS, Web3 JS, Ethers JS, CSS, Solidity, Truffle, Hardhat, Ganache, Infura, Metamask, Etherscan, OpenZeppelin
Frontend Developer (Freelancer) - Vista Higher Learning (Digital Content Adaptation and Quality Control)
Duration: Feb 2021 - Jul 2021
Summary: Adapted digital educational content within a content management system (CMS) and performed quality control to ensure content accuracy and usability for Vista Higher Learning, a company specializing in educational materials.
Responsibilities:- Adapted digital content in CMS.
- Performed quality control on digital educational materials.
Full-Stack Developer Ruby on Rails (Freelancer) (Web Application Development and Maintenance)
Duration: Sep 2020 - 2021
Summary:- Developed and maintained web applications using Ruby on Rails, integrating third-party APIs and enhancing user experience through front-end components
- The project included implementing background jobs and managing email services
Responsibilities:- Developed and maintained web applications using Ruby on Rails.
- Integrated third-party APIs.
- Implemented background jobs with ActiveJob.
- Managed email services with ActionMailer.
- Created tests with RSpec and FactoryBot.
- Developed front-end components using StimulusJS to enhance user experience.
Technologies: Ruby on Rails, ActiveJob, ActionMailer, RSpec, FactoryBot, StimulusJS
Full-Stack Developer - Rocket Exchange (Rocket Exchange Platform)
Duration: Jul 2021 - Aug 2021
Summary:- Created a platform on the Stellar blockchain enabling buying and selling of fiat currencies and cryptocurrencies with real-time trading capabilities
- The platform included security features such as two-step authentication and AI identity validation
Responsibilities:- Developed a blockchain-based trading platform on Stellar blockchain.
- Implemented buying and selling of fiat currencies and cryptocurrencies.
- Enabled real-time cryptocurrency trading.
- Implemented two-step authentication and AI identity validation.
- Managed email delivery services.
Technologies: React, Redux, JavaScript, Supabase, Material-UI, CSS, NodeJS, Express
Programming Languages Teacher - Colombia (Antioquia) (Programming Courses and Private Classes)
Duration: Jan 2020 - Present
Summary: Provided instruction in various programming languages including Python, JavaScript, CSS, HTML, React, C, C++, Solidity, and Ruby on Rails through courses and private classes.
Responsibilities:- Taught Python programming courses.
- Provided private classes in JavaScript, CSS, HTML, React, C, C++, Solidity, and Ruby on Rails.
Technologies: Python, JavaScript, CSS, HTML, React, C, C++, Solidity, Ruby on Rails
Teacher - Coderhouse (Remote JavaScript Classes)
Duration: Nov 2021 - 2024
Summary:- Delivered remote JavaScript classes involving synchronous and asynchronous activities
- Responsibilities included planning and delivering lessons and leading a team of tutors and students
Responsibilities:- Taught remote JavaScript classes with synchronous and asynchronous activities.
- Planned and delivered classes.
- Led a team of tutors and students.
Technologies: JavaScript
Education
- Mathematician
Universidad de Antioquia
2014 - 2021
- School of Blockchain and Cryptocurrencies
Platzi
- Ruby on Rails Courses
Platzi
Certification
- Learn Scrum
LinkedIn
- Fundamentals of Web Development: Full Stack
LinkedIn
- Fundamentals of Git en Cloud
Udemy
- Visualizing Data with Python
Udemy
- Learning to Learn
Udemy
- Ruby on Rails Courses
Platzi
Upstaffer since May, 2026
