build me a flutter app

I just purchased the source code for chatting app online. I want to remove the status, call, video call feature from it. I only want the chatting feature and add some more feature to it. the link of the app is given in the document. I think that it will take barely 4-5 days for the right person.
if you are interested in it, message me with the time and the budget it will take, ASAP.