JOOMLA VIRTUEMART API

We need a developer in order to implement a virtuemart API. Version Joomla 2.5 version Virtuemart 2. We want to receive the orders and the products in a specific time limit e.g. every hour. The API for the orders will have to return the following fields: id,orderid,CustomerName,Email,Gender,OrderShippingMethod,OrderWeight,ShippingFirstName,ShippingLastName,ShippingTelephone,ShippingStreet,ShippingCity,ShippingRegion,ShippingPostCode,ShippingCountry,ShippingTrackingCodes,OrderPaymentMethod,BillingFirstName,BillingLastName,BillingTelephone,BillingStreet,BillingCity,BillingRegion,BillingPostCode,BillingCountry,OrderSubTotal,OrderShippingAmount,OrderDiscount,OrderTax,OrderGrandTotal,ProductID,ProductSKU,ProductName,ProductPrice,ProductQuantity,porudcttax,coupon_discount,Othernotes(orderstatus history, customer comments) The API for the products will have to return the following fields: ProductID, SKU, ProductName, Status, Manufacturer, Description, ShortDescription, ProductURL, ImageURL, Weight, ManageStock, StockAvailability, StockQuantity, Price, SpecialPrice, FinalPrice, TaxClass, CategoryID, Discount