Android and IOS app like taskrabbit, handy or thumbtack

Looking for someone who can make a Android and IOS app like taskrabbit, handy or thumbtack, that allow push messages and updated content in real time (cms if posible), applicable previous work done since we are open to other options beside the one we selected already for the development. Technical proposal (open to other options beside the one we selected based on previous jobs done) For the development of the solution it is necessary to use tools that allow an agile work and that has support to scale according to the demand and tolerate any failure. The development of mobile and web solutions will use design patterns widely accepted for their proper functioning, agility and security for development. For the mobile application the MVVM pattern will be used and for the web part the MVC pattern will be used, using common technologies in both to maximize the use of the developed logic. The software components to be developed and implemented will be: Web Client Data App CMS Database Integrations Component Technology Description App Xamarin [login to view URL] CMS Laravel [login to view URL] Azure Functions Integrations [login to view URL] Database Azure SQL Database [login to view URL] The criteria chosen for the selection of technologies is the agility of development and reduction of costs in the production of the platform. ? Xamarin allows a substantial saving of up to 50% of the development and support costs. ? Azure Functions can involve up to 95% savings in infrastructure, in addition to offering support for scalability and error handling by default without the need for administration. Service guarantee ? Guarantee of operation will be provided for 3 months after the launch date in case of any failure presented by the application. ? A training session of 2 hours of use of the administration console will be provided. bidding start at $200 please sent info and examples of previous work done.