Phone Data Visualization Web Application Improvement

I am looking for a talented full stack developer with expertise in phone advertisement website development using MERN stack
Must be excellent in both frontend and backend development
As a key member of our team, you will be responsible for designing, building our advertisement website from the ground up

1. Update ui/ux design of website
- change color like background, theme of whole page
- intuitive navigation menu that allows users to easily what they're looking for
- add a layout of phone products' listings
2. Updating Data according to latest Phone shop's trends
- Load large amounts of mobile data and saved data into NoSQL database
- Add a options such as grid view, details view
3. User Reviews and Ratings
- Display of user reviews and ratings of each ad to help build trust and credibility
-  Ability for users to leave reviews and ratings for ads they've purchased or interacted with
4. Notification System
- In-app notification system to keep users informed about new ads, price drops, or other important updates
- Option to customize notification preferences