The job duties of a Selenium tester involve testing software and applications using the Selenium automated testing tools. Your responsibilities in this career focus on quality assurance (QA). You may develop a script that facilitates automation, though some employers may expect you to test applications manually. You also perform regression testing to spot quality problems in existing applications. You can use Selenium to create a web framework that is easy to maintain. In this career, you locate and define issues, and some employers may expect you to provide advice or insights about how to fix the problems.