Full-Stack Booking Website Build

I need a complete booking platform built from the ground up—front end, back end, robust API layer, and an intuitive admin panel. The core flow is simple: visitors or registered users land on the site, pick a service, choose a specific date and time, confirm, and they’re done... (Budget: ₹600 - ₹1500 INR, Jobs: API Development, Full Stack Development, HTML, JavaScript, PHP, User Interface / IA, Web Development, Website Design)