Secure Web-Portal for Internet based service

Secure Web-Portal for Internet based service To be designed using Smarty templating engine with multi-language support. Features include: User Login accounts and details Internal (private to the portal) Domain registrations and management Internal (again private to the portal) email account setup and management Sales Agents: setup and management including sales commissions Promotional Coupons: create and manage Product pricing and management Partnership (between email accounts) setup and management Identify potential partners (upload user contacts / address book / customers / suppliers) Exchange rates (USD and Euros) Payment Gateway including taking payments automatically when they fall due This site or a version of the site should be accessible from portable devices like web enabled mobile phone and other PDA devices. Only essential options will be required and not the whole site. Access to the back-end database will be via an API (probably .xml based). The site, including graphics / logos, must reflect quality, security and professionalism. For background information for the project, download [login to view URL] For more detailed description of the portal, download [login to view URL] [login to view URL] shows pretty much what is involved but this is a completely new service being setup from scratch and not everything is finalised. I want someone who will work with me to deliver a very high quality web-portal.