Full-Stack Developer for Smart Café System

We are seeking an experienced Full-Stack Developer to create a Smart QR-Based Café Ordering & Business Analytics System. Project Overview The platform will allow café customers to scan a QR code, browse the menu, place orders, make online payments, and receive digital receipts. On the backend, café owners will have access to a dashboard for managing orders, customers, analytics, and marketing campaigns. Key Features: QR-based table ordering Digital menu management Customer registration and tracking UPI/Card payment integration Order management system Email receipt generation Admin dashboard Revenue and sales analytics Customer analytics and history Campaign management (Email/SMS) Mobile-responsive web application Tech Stack (Preferred) Frontend: React / Next.js Backend: Node.js, Java Spring Boot, or similar Database: PostgreSQL / MySQL Payment Integration Experience Required Cloud Deployment (AWS, GCP, or similar) Requirements Proven experience building SaaS or dashboard-based applications Experience with payment gateway integrations Strong UI/UX implementation skills Ability to deliver clean, scalable code Good communication and regular progress updates