Secured back end program for a sports site. with sign up & login users with profile

looking for a developer to do a secured back end program for our company site exclusive use only for our small company staffs to be use for our regular events. We require a developer to use php language. list of pages to do : (DISREGARD THE DESIGN (cSS) just make it as simple as plain #ddd & #000 1. sign up form system - with mobile phone confirmation 2. login form - forgot password form - using mobile phone to receive codes 3. posting form and commenting - like and follow 4. uploading avatar picture and cover photo. 5. updating details. 6. automatic points to be added in profile - when gained points from games.