I require a blockchain expert for smart contracts and blockchain coding.

we are currently Designing & Developing highly secured & automated web application for Multiple Crypto Currencies trading platform to facilitate Client’s with a platform to trade Crypto Currencies and Possible Automation for Buy / Sell any crypto currencies,
we require the services of a expert ERC20, ERC721, ERC1155 Token with smart contract creation.
Cryptocurrency Exchange
Decentralized Exchange