Hello,
I'm ready to do the job. Please let me know your interest. My working experience summary as below.
I'm having 4+ years of working experience in Magento. My speciality is in Magento development and customization. My vast experience in magento is to develop theme package (PSD to HTML), frontend and backend extension and customization.
In my working experience I have make many modules that have functionality same like your job. I have been developed many modules based on event observer. There are many events in magento front end and back end. For example front end event for discount to special customer.
If you find me right person for this job, then I'm sure to deliver you this job in given time frame
With Magento, I'm having strong experience with core PHP, MySql, jQuery, Wordpress CMS.
Thanks