Write test cases and user scenarios based on UI designs

I am looking for a skilled tester who can write test cases and user scenarios based on my UI designs. The main function of the UI design is user interaction. I have specific requirements and features that need to be included in the test cases and user scenarios. Additionally, I require test cases and user scenarios for both desktop and mobile platforms/devices. Ideal skills and experience for this job include expertise in UI testing, strong attention to detail, and experience in writing test cases and user scenarios.