Manual QA Testing for Web App

I have a web application approaching release and I need a sharp eye to put every screen, form and user flow through its paces. The assignment is strictly manual testing and must be carried out on the latest versions of Google Chrome and Mozilla Firefox... (Budget: ₹750 - ₹1250 INR, Jobs: API Testing, Regression Testing, Software Testing, Test Plan Writing, Test Strategy Writing, Testing / QA)