Building Auto Posters for popular websites

Hello, I am searching for someone who has experience building auto posters for popular websites like - Craigslist - Facebook - Twitter We will be building the poster bot for the following sites: htp://[login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] Please have a look at these sites. Please email me with a.) your relevant experience b.) What you will do to insure the bot is effective c.) project estimate Serious inquires only.