PHP/MySQL Developer / App Developer

Need highly skilled web developer to work on horse trail website and add new features and functionality. Website is already built. Need new functionality added:
- Lists of Favorite trails, completed trails, etc
- Ratings and reviews
- Online scheduling
- User dashboard
- Membership Levels
- E-commerce
- Integrate Online payment
and more

Website is built using PHP, MySQL primarily.

Bonus if you are also an App Developer to build app based on website but not required.

Must speak / write good English