Build a community website : housekeeping, childcar

Our goal is to have a website and smartphone applications (IOS and ANDROID) that can compete with the website that will be our biggest competitor: [URL visible pour les membres Pro]
Our site will be in English, Spanish, French, German, Italian. This is a community site related to personal services. It will allow the management of payments and payments between customers and stakeholders. Commercial management and the relationship with the various stakeholders. It"s necessary that you create the design. it's relatively a simple website. Codeigniter PHP
Technically, it will have to develop 2 iOS , 2 android, one backend , and promotion website separately . We have 2 ends : customers who want nannies and another people who want hire as baby care taker
Time limit : 8 weeks