Marketplace website and mobile app for appointment booking startup

I am looking for a skilled freelancer to develop a marketplace website and mobile app that will enable users to book appointments for healthcare, beauty, wellness, and professional services. The platform should allow users to book appointments with specific service providers or any available provider. Additionally, the platform should feature payment processing, ratings, reviews, a business marketplace, and messaging between users and providers. The ideal freelancer for this job will have experience in developing similar marketplace platforms, as well as expertise in payment processing and app development.