Add Phone Verification and Event Calendar / Scheduler

Hello. I have an existing theme: [login to view URL] I am looking to add 1. A phone verification sms at profile sign up for both employer and candidate ( see example at [login to view URL] ) 2. An event calender / scheduler. This will be a calendar that the candidate can post available days to work.  ( see example at [login to view URL] )  Please let me know if you have any further questions. thank you