Traditional Cultural Web App Development

I'm seeking a developer to create a traditional and cultural web app from scratch. The app should facilitate:

- Pandit booking system
- Puja items listing
- Reviews and ratings

Key Requirements:
- Support for three user roles: Admin, Pandit, User/Customer
- SEO optimization
- Responsive design
- Payment gateway integration

The project will require thorough discussions at each step before moving forward. Ideal skills and experience include:

- Expertise in web app development
- Strong design skills for traditional and cultural aesthetics
- Experience with SEO and payment integrations
- Ability to create a user-friendly interface

Please ensure your bid aligns with my budget constraints.