Build Web App: Auth & Payments

I need a modern, fast, and responsive web application that will serve as the foundation for a larger business platform. The first milestone is to implement three core features: secure user authentication, real-time notifications, and a seamless payment integration... (Budget: ₹1250 - ₹2500 INR, Jobs: HTML, JavaScript, MERN, Node.js, Payment Processing, PHP, Web Development, Website Design)