Mobile & Web QA Testing

I need an experienced manual tester to put our customer-facing mobile app and website through thorough functional, usability, and compatibility checks. The same test scenarios must run on both iOS and Android handsets, while the web version needs to behave identically in Chrome, Firefox, and Safari... (Budget: $30 - $250 USD, Jobs: JavaScript, Mobile App Testing, Software Testing, Test Plan Writing, Testing / QA, Usability Testing, Web Testing, Website Testing)