ReactJS

A JavaScript library for building user interfaces, maintained by Facebook and a community of individual developers and companies.

ReactJS is a declarative, component-based JavaScript library for building user interfaces, emphasizing composition and unidirectional data flow.

Its virtual DOM implementation and efficient rendering system enable developers to create performant applications with a predictable state model.

Experience:

Implemented React Server Components in Opyn trading interface, building a high-performance, SEO-friendly experience with Next.js 14.

Developed BitLauncher auction system UI with real-time bidding updates using React with Supabase subscriptions.

Built the real-time blockchain data visualization components for ChainGraph with React and RxJS for reactive data handling.

Created responsive admin dashboards for LegalAgent with Microsoft SSO integration and document management features.

Engineered responsive frontends for RareMint, ZTX, and Emanate, focusing on optimized component architecture and state management.

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.

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.

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.

Substrate Contracts UI

Substrate Contracts UI is a key developer tool maintained by Parity Technologies (founded by Ethereum co-founder Dr. Gavin Wood) for the Polkadot ecosystem, which has a market cap exceeding $7B. The UI simplifies WASM smart contract deployment and interaction on Substrate-based blockchains used by dozens of major projects. I contributed to the project by enhancing code quality through multiple open-source contributions and gained experience in building dApps with Substrate.

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.

dBoard

dBoard is a DAO decision-making and community management tool. It allows stakeholders to strategize, debate, and vote on actions for organizational efficiency. In this project, my contributions included overseeing the technical architecture and the smart contract development and integration on the webapp.

Knowledge.io

Knowledge.io was one of the first blockchain platforms aimed at knowledge-sharing with a token-based reward system. The project successfully completed its ICO in 2018, raising funds to build a decentralized knowledge ecosystem that included partnerships with advertising networks to monetize user expertise. My role at Knowledge included leading the architecture of the Ethereum-based token and supporting systems for their successful ICO, and forming a skilled development team across three countries.

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.

Tractor Supply

Tractor Supply Company, a Fortune 500 company with over 2,000 stores and $10B+ in annual revenue, is America's largest rural lifestyle retailer. Their mobile app serves millions of customers with features like product browsing, exclusive offers, account management, and augmented reality product previews. As a consultant, I enhanced the app's performance and code quality, and developed its augmented reality feature, improving user experience and engagement.

Photo and Go

MyPhoto.com is an online platform for creating personalized photo products. I led the development of an innovative photo editor app and backend services integrated with existing e-commerce systems. My leadership role encompassed technical direction and execution, focusing on creating a smooth and intuitive user experience.

Costa Rica JS

Costa Rica JS, founded in 2010, grew to become Central America's largest JavaScript community with over 2000 developers. The community played a crucial role in fostering the region's tech ecosystem during the rise of Node.js, organizing major events like NodeSchool International Day and hosting speakers from companies like Mozilla and Netflix. As founder, I organized regular meetups, workshops, and the annual JSConf Costa Rica, helping establish Costa Rica as a growing tech hub in Latin America.