Betfair Automated Trading Bot

Looking for a windows based automated trading bot for lay bets on Betfair. Must have knowledge / experience with Betfair API OR have made a bet bot before using an html scraping method in Python or similar. The UI of the software will be a big focus, so any examples of good quality UI will go in your favor. I can develop a full SRS to industry spec for the program once we find the right developer so the project will be clearly defined. More details as to the nature of the project will be given once you can prove your ability with the Betfair API / UI examples.