I need a professional website tester for wordpress and codeignitor application

General information for the website: We are an educational website. we have some courses on site and test Kind of development: Customization of existing website Description of requirements/features: We are looking to hire a developer who can work 2-3 hours daily and test functionality of website. If he finds some error then report us and resolve it. Functionality to be tested is: - UI/UX of site is working fine and on all the screens sizes - update website theme, plugins and wordpress and again check for all the functionality. - check questions and everything else in test application in codeignitor. - anything that is out of pace needs to be corrected immediately. Specific technologies required: wordpress, codeignitor