You need to be very conformable with wring solid codes in php and Facebook APIs.
You will need to write 3-4 plugins for this open source script:
Please make sure you have visited that link before applying for this job.
We have many projects and constantly looking for good php-facebook developers.
Please first check that link and let us know what you think. (Please do not write a lengthy cover letter, you only need to answer that question to get an interview)