Instant nearby spa and salons booking app web, ios and android

I am looking for a developer to create an instant nearby spa and salons booking app for web, iOS, and Android platforms.

Features:
- Appointment booking: Users should be able to book appointments with nearby spas and salons.
- User reviews and ratings: Users should be able to view and leave reviews and ratings for the spas and salons.
- Real-time availability: Users should be able to see the real-time availability of appointment slots.

Web Version:
- A web version of the application is required to cater to desktop users.

Payment Integration:
- Customers should be able to make payments within the app for their bookings.

Ideal Skills and Experience:
- Experience in developing mobile applications for both iOS and Android platforms.
- Proficiency in web development for creating a web version of the app.
- Knowledge of integrating payment gateways within mobile applications.
- Familiarity with location-based services and real-time availability features.

Please provide examples of similar projects you have worked on in the past.

Technical requirement:
- Expo / PWA
- Supports web and mobile notifications
- Supports real-time booking
- Supports chat (not required in 1st phase but for later)