Update Fitness Social Network application

Looking for experienced Full-Stack Developer to update my Universifit application. You will be provided with the existing code and the wireframe will be provided to you. I need to do the following: 1) creating events 2) challenging users 3) making the application run faster 4) launch it on my server. 5) work per design specifications. Converting PSD from design prototype into functional page using HTML CSS JS and other frameworks 6) Fix signup page using omniauth 7) Signup form for profile including attributes gym you belong to and sport activities 8) Ability for a user to have calendar with dates to fit another user schedule. (the code is working but need to fix the UI). 9) Ability to challenge another user that you followed based on category that user worked-out. Post a challenge such as pushups or running. Challenge another user is to send request to challenge user based on category such as 100 pushups challenges or 3 miles run challenge and much more per category requested. In fitness challenge you nominate a person for a challenge competition 10) Add activity event form and edit event group events training events, challenges and competitions creating teams for training and compete 11) Creating workout form with category of cause you sponsor, I dedicate my workout for... 12) Ability to post on feed written or image and share via Facebook or twitter 13) Search bar to search gyms based on Zipcode and state friends and trainers name 14) Find fitness partner for users who are in gym and fitting their calendar with the user availability 15) Chat engine Thank You