Urgent User Testing for E-commerce Site

I'm in urgent need of a professional for user testing of my e-commerce site over the next 3 days.

Key Responsibilities:
- Conduct user testing with emphasis on the checkout process and mobile responsiveness
- Input and validate data from the current site, including content, orders, and metatags
- Perform some browser testing

Ideal Skills and Experience:
- Proven record in user testing, particularly for e-commerce sites
- Familiarity with data input and validation
- Experience with browser testing
- Excellent understanding of mobile responsiveness on smartphones

You must have immediate availability to take on this urgent request.

You must also be able and ready to do data input for content, orders, metatags etc from current site