Online Sweet Shop Billing System

I need a web-based billing solution tailored for my sweet shop so that every invoice is generated automatically without manual effort. The system must live entirely online—no desktop installs—so I can log in from any browser, add new products or customers, and watch invoices issue themselves... (Budget: ₹1500 - ₹12500 INR, Jobs: Django, JavaScript, Laravel, MySQL, Node.js, PHP, Software Architecture, Web Development)