Need a program which can run in an automated fashion on Ubuntu Linux command line.
Can be written in Java, C# via Mono, PHP, or Perl.
Program should check for available advertising spot on a site in a way that is generic enough that program can be expanded to handle multiple site formats via a template.
Program should interface with PayPal API to purchase available spot.
Program should be able to check spot on a sub-minute interval. Checking routine should be lightweight since it will run so often.
Will provide a small list of sites upon job commencement to be compatible with.
Skills: paypal, linux