Hi, i have interest in your project.
I have done similar work already. I can show to you limit order in pancakeswap.
I have good skills with nodejs and web3j,smart contract.
my last work is to make DEX .
I have experience to fork uniswap and pancakeswap, quickswap, sushiswap.
I can show to you my last work result for DEX.
I can deliver good result for you.
You can look my profile.
Can we discuss more detail ?
Thank you.