Ethereum Liquidity DEX Development

I need a decentralized exchange built on Ethereum that concentrates exclusively on liquidity provision. The goal is to give users a seamless way to supply pairs of ERC-20 tokens to a pool, mint LP tokens... (Budget: $250 - $750 USD, Jobs: Ethereum, Ethers.js, Hardhat, Next.js, Security Auditing, Smart Contracts, Solidity)