Agriya CakePHP Group Buying Script - Feature Adding

Agriya – GroupDeal script feature adding– CakePHP programmer needed. Would like to add some extended feature to the site: We need someone who already have experience to Agriya script or expert in cakephp. 1. Extend the multiple address feature of the script: (already have) - adding an option for the user to choose the redemption address - print the redemption address on the coupon - adding the address fields to the csv export 2. Extend the "sub deal" function (already have) - let the customer to choose all the available sub deals in the purchasing page - the script already provide the ability for the sub deals creation, we need to list them all in the purchase menu. And update the sales record and coupon generation accordingly. 3. Adding a shipping option when purchase - adding a radio button for user to select "shipping" - when shipping option is selected, corresponding charge is needed to be added - when shipping option is selected, displaying an address entering form. 4. let administrator to enable/disable the above features for each deal. also displaying the corresponding result to the csv and administrator panel. Any better suggestion to the above features are highly appreciated also. These are the features that we need currently. We still have other features need in future and wish to engage to some good developer to help us to full-fill merchant's request for extra features. The script is developed by Agriya and below is the demo of the script. You can see all the original features there. Demo : [login to view URL] user: admin pass: agriya