Create a Modern Online Booking Site

I'm looking for a skilled web developer who can create a site similar to Bookedby.com, using the most popular programming languages and packages. This website should be designed in a modern and clean style, and should include the following core functionalities:

- An online booking system
- User accounts
- API integration with Google and other services
- Database connectivity
- Integration with client website
- Payment processing

Need integration with 'Reserve by Google'. Experience in creating similar sites is needed. Please provide examples of your previous work in your bid. In your proposal, please specify the tools/languages you are going to use to develop the site and overview of the development plan.