Convert existing Magento shop

We are looking for: 1. A magento expert or magento dedicated team only. 2. With commitment to the project, we expect good communication. 3. Delivery on time. 4. The code must be clean and bug free. Convert existing Magento shop We are changing from a structure based on "configurable products" to a structure of "simple products customer options". We will need help to reconfigure the magento shop to display the new set of products. We need 100% compability throughout the whole shop. You will not need to migrate the products, only configure the shop for compability with the new set. All programming should be done according to Magento standards, meaning that everything should be upgrade proof if a new Magento version is installed. We require professional work with good coding standards and documentation in case another programmer needs to add to or alter the code. We expect that bidders will have good feedback. All the products from this project is the property of the Project Creator. Upon completion there will be no reference to this project in any way, such as portfolios or customer cases, unless explicitly agreed to by the Project Creator. Payment in full when the project is complete.