My Portfolio - featured

LegalAgent

AI assistant with both voice and chat capabilities into LegalAgent's React Native (Expo) mobile app. This assistant empowers lawyers to swiftly access case information, providing contextual legal support, document summaries, and procedural guidance.



Opyn

Opyn is a decentralized options protocol on Arbitrum that raised $6.7M Series A funding led by Paradigm. Their main product Squeeth is a notable DeFi-native derivative. I implemented their initial trading interface and data indexing setup for Arbitrum Testnet using Next.js, Ponder, and viem/wagmi.



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.



Masterbots

Masterbots.ai is a platform that aims to elevate AI beyond ChatGPT by providing specialized chatbots, social sharing features, and user-friendly innovation. It features domain-specific AI chatbots that can perform more advanced tasks beyond basic information lookup or simple conversations.



ZTX

ZTX is a web3 metaverse platform backed by Jump Crypto and ZEPETO (a subsidiary of Naver Z Corp with over 200M users). The platform enables creators to build, play, and earn through blockchain-based 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 authenticated real-world sports collectibles as NFTs on the Polygon network, offering fractional ownership and trading of high-value items. The platform partners with professional sports organizations to ensure authenticity. I led technical efforts at RareMint to enhance the NFT marketplace's performance and maintainability, including the integration with Polygon network for efficient NFT auctions.



bitcashBank

Bitcash is an established crypto banking platform with over 50,000 users across Latin America, handling millions in transaction volume through its regulated financial infrastructure. The platform integrates with local banking systems in multiple countries and features BitcashDAO for community governance of its decentralized finance products. At Bitcash, my role from the start focused on infrastructure design, tech recruitment, and developer training. I later transitioned to a consulting role to guide the platform's continuous adaptation and success.



Emanate

Emanate is a blockchain-based music platform that raised over $2M in funding and partnered with major artists and labels. The platform features their native EMT token for artist payments and uses smart contracts to ensure transparent royalty distribution. At Emanate, I maintained the ReactJS web app streaming platform and developed back-office tools for artist revenue distribution, working with a distributed team across Australia, Europe, and the Americas.



Make Sense Labs

Sense.chat, developed by Sense/Make Sense Labs (backed by Tim Draper and other notable investors), was one of the first crypto messaging apps to implement self-sovereign identity and encrypted communications on blockchain. The app gained recognition at major tech conferences and blockchain events. My role at Sense involved enhancing the React Native app's performance and integrating it with the EOS mainnet for secure messaging and token functionality.



ChainGraph

This real-time GraphQL toolkit is designed for EOSIO/Antelope blockchain applications, offering features like data subscriptions and querying multiple blockchains. As a personal side project during my time at Bitcash, I was responsible for the architectural design, technology selection, and coding of the toolkit, including a real-time blockchain data streaming package.



EOS Costa Rica

EOS Costa Rica is a leading block producer and infrastructure provider for EOSIO/Antelope blockchains, maintaining critical network nodes and developing custom blockchain solutions. The company is recognized for its contributions to the EOS mainnet and enterprise blockchain implementations. 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.



EOS Rate

EOS Rate is a community-driven tool for rating EOS Block Producers, featuring a radial graph and community input stored on the blockchain. In this project, I was responsible for the technical architecture and selecting the appropriate technology.



Fantasy Top Shots

This mobile app game built on NBA Top Shot NFTs was developed for the 2022 Flow Hackathon. It integrates with NBA Top Shot's marketplace, which has processed over $1B in NFT transactions and is officially licensed by the NBA. The game received recognition at the Flow Hackathon among hundreds of participating projects. My contribution to this project was in the game's design and development, utilizing my skills in blockchain technology and mobile app development.



Wizard World

Wizart.world is a groundbreaking platform at the intersection of AI and blockchain that connects to OpenAI's DALL-E models to generate AI images and mint them as NFTs on the Flow blockchain. Developed during the Flow Hackathon 2022, the project was among the first to combine generative AI with blockchain-based ownership rights for digital art. My role involved the app's development, focusing on integrating OpenAI's models for image generation and ensuring smooth functionality with the Flow blockchain through Niftory's NFT infrastructure.



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

American Express, a Fortune 100 company with over 100M cardmembers globally and $180B+ in annual revenue, operates one of the world's largest payment networks. Their website serves millions of users daily for account management and financial services. 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.



Elder Scrolls Online

Elder Scrolls Online, developed by ZeniMax Online Studios and published by Bethesda Softworks, is a massively multiplayer online game with over 20 million players. The official website serves as a central hub for this large gaming community, offering news, game guides, and forums. My role was to ensure a user-centric design for the website, facilitating easy navigation and engagement with the content for millions of monthly visitors.



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.



Tikr

Tikr is an online store with dynamic, real-time fluctuating prices, offering a unique shopping experience. It operates on the Ruby on Rails-based Spree backend framework. My role at Tikr encompassed full-stack development with a focus on frontend development and customization of the Spree backend framework.