bulid an IOS app for booking babysitter using geolocation system

I need someone who can do school project an app for booking babysitter . the app interface must contain two section one of them for the parent and the other for the babysitter . the app will contain payment mothed . there is some features that need to be added as well. this is school project so please make sure that
next every code what the purpose of using it.
make sure the interface are clear.
also I need programmer that good with communicating