Oscar

Macieira

- led the development and integration of user-facing applications - ensured smooth interaction with smart contracts using wagmi - maintained the liquid vault interface - deployed the liquid restaking application - built the alpha version of fydeX, a trading simulation - integrated base-mainnet network and authentication workflows using telegram and privy

- developed an application enabling freelancers to manage invoices with customers - built the SAAS using next.js, prisma, postgres, and tailwind

- responsible for feature development from concept to deployment - managed postgresql migrations and graphql backend processes - engineered responsive front-end interfaces for consumer and enterprise applications using next.js

- created ultra-utilities, a set of tools for blockchain development - developed the marketplace where these tools are used - utilities have been installed hundreds of times by developers to streamline dApp creation on the ultra blockchain

- developed smart contracts using solidity, tested with hardhat, and deployed on polygon-mumbai - designed UI/UX on figma and built the platform using next.js, mongodb, ethers, and infura - awarded at the polygon BUIDLIT 2022 hackathon

- deployed and updated evm smart contracts with hardhat - created a dApp interface using react and material ui - integrated contract interactions using ethers.js and built the backend with moralis and mongodb