Need an experienced MERN developer

Front-end:
- Multipage web site design
- User login page
- Online payment page
- Admin panel page
- User page after login with two types of roles
- Video streaming page after login page
- Provide graphics after user login page
Back-end:
- Process user login data and save them to database
- Process payment data
- Record user data into database
- Server code that provide and maintain more than 10k users connection simultaneously
Preferred Techonologies:
- Front-end: Html,css,js,React.js, Bootstrap
- Back-end: Node.js
- Database: MongoDB

If you read all and accept the max budget please write answer of this (4+2=?) so i can contact to you.

Thanks