Fully functional VPN service provider website - No milestones, all or nothing

Project Description: The following are the processes: ========================= ï Customer comes to the landing page ï Customer choose a service membership/subscription ï Customer checkout and pay ï Customer verify the email address and get a login link to customer area ï System automatically create the VPN access rights based on registered-email/pwd ï Customer logs into the backend (Account Management) ï Customer can download software, certificates ï Customer can connect with the same email/pwd simultaneously to VPNs X times/devices - X should be able to setup in Admin Area differently for different subscriptions ï Admin can create/delete/change subscription for customer ï Admin can create/delete/change VPN users or access user if not on VPN server System guidelines: ============== Multilingual, customer choose language in frontend and backend (for Admin English is enough) Multiple VPNs, customer should be able to login with the same certificates, email/pwd combination to different VPNs Central point of authentication and management What we provide you with ========================= Constant contact to the Product Manager: email, Skype, whatssapp, Google hangout, mobile phone Contact person which has understanding of the technology VPS servers in USA, France, Russia (for the first step, later own more servers for VPNs) ñ some you can used with VNC Partnership ========================= We will consider going into a long-term cooperation for the technical support & further development Documentation of the setup and the configuration of the different servers are required, pointing to special setup/config issues you encounter during the project - in English We prefer integrating existing open source solutions What we expect ========================= Offer a solution which is scaleable / we start with small setup 2-3 server after 2-3 weeks tests we will add 10-20 VPN servers Price offer Currently NOT in scope but coming later ñ so keep in mind during development ========================= Apps for iOS, Android, Win mobile, PC, Mac In-app registration In-app payment for subscriptions Change VPN location in app ñ new reconnect Regards, Your contact: NivAdditional Project Description: 11/12/2013 at 15:53 CET Please reply with specific systems / architecture how you are about the complete this task. General application about your qualification will be ignored, we are looking for a solution and then to make the contact, not the other way around Skills required: Database Administration, PHP, VPS, Web Hosting, WHMCS