Java programmer Expert

We are looking for someone expert in Java Programming , having Expertise in this Field.It is a game already working we just need few adjustment's , To create an extension that listens the game. Take the fetch fof siege and defence with all the data needed and send the data (the key of json?h=xxx... , section id, army id, signature etc) to an exterior AHK program. Then the AHK program make the calculations, creates the command for the siege/defence and send it to server.