Urgent 72-Hour QA Bug Hunt for Restaurant SaaS Platform — QR, POS, KDS, Payments, Invoices, Roles

I need fast, practical QA testing for a restaurant SaaS platform called OotaOS. This is a rapid defect-discovery sprint, not a long corporate QA project. I already have structured QA workbooks, test scenarios, expected calculations, roles, modules, and defect templates... (Budget: ₹1500 - ₹12500 INR, Jobs: Payment Gateway Integration, Payment Processing, Regression Testing, Risk Management, SaaS, Software Testing, Test Automation, Test Plan Writing, Usability Testing, Website Testing)