customizing Agriya GroupDeal 2.0

Hello, Looking for expert who can customize the GroupDeal 2.0 product ([login to view URL]) per the sample specifications below: 1) Adding additional fields/elements to the existing master modules. E.g. Adding a 'Description' field to the Cities master 2) Adding additional fields/elements to the existing functional modules. E.g. Adding a 'Short Description' field to the 'Add Deal' function 3) Changing labels of existing fields on the UI 4) Creating a set of new tables and updating the existing tables to include foreign key references from the new tables. This also includes the necessary coding to integrate such changes. E.g. create a new table named 'COMMUNITY' and including the COMMUNITY_ID field from the COMMUNITY table as a foreign key into the Merchants table. 4.1) Enabling Merchants module to associate a merchant with the COMMUNITY by the ability to select the COMMUNITY when adding a new merchant. 4.2) Ability to track / reports based on the newly added COMMUNITY. E.g. creating reports per COMMUNITY. Please respond back with details on your prior experience in customizing this product to the extent described above. Details of the customizations will be provided prior to finalizing the contract. Thanks