I'm ready for this job. I have experience in build application with this requirements. I do similar application whit this functionality:
Powerful admin panel
Able to add sub administrators (administrators have full control of sub administrators options)
Manage Categories
Manage Stores
Manage Coupons
SEO Friendly
Newsletter System (people can subscribe and confirm subscription via email, also they are able to unsubscribe and confirm this via email). Administrators can choose if email confirmation is or not required.
Reviews System (people can write reviews about stores that you have). People can also rate stores when add reviews.
Suggestions (able to receive suggestions from visitors or store owners)
Manage Pages (add, edit, delete, publish-unpublish)
Manage Users (add, edit, delete, verify-unverify, ban, send email)
Manage Subscribers (edit, delete, verify-unverify, import, export)
Manage Online Sessions
Clicks Raport (see how visitors leave the website and where they go, graphic also)
If you interest of my propose please contact with me :)