Ethereum RWA Tokenization Platform Build

I am creating a real-world-asset tokenization platform that will run on Ethereum, and I need a developer who is equally comfortable writing Solidity smart contracts and building a Node.js backend that... (Budget: min $50 USD, Jobs: Amazon Web Services, API Development, Blockchain, Ethereum, JavaScript, Node.js, NoSQL Couch & Mongo, Smart Contracts, Solidity, Typescript)