Custom Magento Multi Store Project

Hi,i am looking for a Web Developer, who could create for us a new structure - Magento Multi-Store. Currently we have a magento main store and would like to create stores with different root domains (url) and new ready themes. Thus, we wanna create the structure and install another 9 stores with my others 9 different domain names on 7 new ready themes | with one checkout, backend and admin panel. They may need some customization to make them work together. We have a budget of US$400,00 My main store is hosting on [login to view URL] | plan: power of freedom - with isolated Environment Basic reference from our hosting about the service - [login to view URL]