Hello. I am a blockchain expert who has developed 3 DeFi projects and 3 NFT marketplaces.
As you know, building NFT marketplace is the most complex NFT project which contains every steps needed such as uploading NFTs to IPFS, minting NFTs, buying/selling them, auction implementation etc.
So that I think I can be your candidate who is able to help you. To create efficient smart contract, it is necessary to design to have a sophisticated structure and to select the right EIP interface/optimal operation algorithm.
I want to work with you in the near future.
Regards.
Stephen Graham.