My Portfolio - full-time

bitlauncher

BitLauncher is an AI and crypto launchpad platform that provides early access to promising AI unicorn startups through token sales and auctions. It features a batch auction system for token sales, ensuring fair and transparent price discovery. Participants bid during a fixed period, and tokens are distributed at a uniform price, eliminating manipulation and ensuring equal opportunities for all investors.



ZTX

ZTX, a web3 metaverse platform, enables creators to build, play, and earn. Supported by Jump Crypto and ZEPETO, it integrates blockchain for NFT trading. As a software consultant in the early stages of ZTX, I was responsible for developing the react app to host the metaverse and the WebGL/EVM wallet integration.



RareMint

RareMint digitizes real-world sports collectibles as NFTs, offering a digital collectible experience. I led technical efforts at RareMint to enhance the NFT marketplace's performance and maintainability. Additionally, I supported integrating the platform with the Polygon network for auctions.



EOS Costa Rica

EOS Costa Rica provides infrastructure for EOSIO blockchains and custom smart contract development. Joining EOS Costa Rica at its inception, I played a key role in the EOS mainnet launch, managed validators for multiple networks, and helped establish the custom development services division. My major contribution included leading the architecture for a custom private blockchain for Grant Thornton.



Wink

Wink, Costa Rica's first neo-bank, offers a mobile app for online banking, eliminating the need for physical branch visits. I developed the first version of Wink's mobile app and backend services within AWS. My role involved API integration with partner banks and forming a dedicated development team.



American Express

The American Express website enables cardmembers to manage their financial accounts, offering features like balance checks, transaction views, and secure payments. My responsibility was focused on front-end development, including Object-Oriented JavaScript, AJAX for a fluid user experience, and implementing A/B Testing and usage analytics.



AMC Yeah TV Facebook App

An online movie streaming service allows watching movies in chapters with detailed information and interactive games. I was responsible for the frontend architecture design, integrating the game app with Facebook and the backoffice system with Brightcove web services for video streaming and editing.