I am looking for a node.js and solidity developer

Hello I am looking for a person who is able to code me a front running bot applicable on uniswap and pancakeswap, ideally code using node.js and solidity, I would also like a learning period at which you could explain how the script works and the different requests that the script puts in place and also a guarantee with which I can contact you at any time if there is a problem with the code.