This was a simple project combining Jaduka's API services, one of wich was returning geographical coordinates based on any US phone number. We combined this with Google Maps API, plotting the coordinates in Google's Map Canvas.
I did all development for this project which consisted mostly of front-end work; HTML, CSS for design and AJAX for functionality. The back-end work was simply adding in a middle layer that communicated with the front-end, making API calls and returning XML objects.