Build Returns Portal and Amazon Email Portal for Existing CMS

We have a CMS Portal that we need to have updated. The job requirements are below. Must know how to create and edit a Database, PHP, MySQL, Ebay API are all required. Amazon 1. Take incoming emails to emails @ [login to view URL] and insert contents into database: a. Headers b. Subject c. Body d. Sender's email address e. Received time stamp 2. Create mechanism in our existing portal to view and search emails (by subject, sender/receiver, message text, etc) 3. View entire conversation history from customer 4. Send reply through the portal 5. Pull in sales history for the customer when the message is viewed a. Sales table can be searched by email address 6. Mechanism to create internal notes Flag emails Create Ability to load and save pre-written emails/messages Create Returns System to manage returns. Apply Returns link when order appears under search When clicked bring up order details. Select Item # Return Reason Request Return Label Offer Customer Coupon? Unknown, Return or Exchange Internal Notes Apply filters to determine which supplier the message goes to. Create message to send to appropriate supplier. Once sent, automatically put order in returns center under Initiated returns. Create section Initiate Returns, Issued Returns, Returns in Transit. Create Upload Tracking Link and link to UPS, USPS, and Fed Ex