I spearheaded the development of an Ethereum-based NFT Marketplace and Launchpad, designed to provide a seamless platform for users to mint, buy, sell, and trade NFTs. The platform features secure authentication, wallet integration, and an intuitive interface. It supports a variety of media types for NFT minting and offers both auction and fixed-price sales. The launchpad allows new projects to manage pre-sales and auctions efficiently, with robust smart contracts ensuring security and performance