Enhance Homestay Prebuilt Site

I need a pre-built homestay website from Envato customized with the following features:

Required Functionalities:
- A calendar-based booking system
- User reviews section

Payment Integration:
- Google Pay (GPay)

Ideal Skills and Experience:
- Proficiency in website development
- Experience with Envato templates
- Strong knowledge of integrating booking systems and payment gateways, specifically GPay
- Ability to create a user-friendly review section

Looking for a freelancer who can efficiently implement these functionalities and ensure a smooth user experience. Please share your portfolio and relevant experience.

Check The Link for Prebuilt and Documentation:
1. Site Details - https://nuss.uxper.co/apartement/room-grid/
2. Type of Files - https://themeforest.net/item/nuss-hotel-booking-wordpress/32690873
3. Documentation - Click DOcument on Menu Bar - https://preview.themeforest.net/item/nuss-hotel-booking-wordpress/full_screen_preview/32690873?_ga=2.181759791.908936555.1752409050-1289604208.1752409050