Selenium courses can help you learn automated testing, web application testing, and test script development. You can build skills in writing effective test cases, debugging scripts, and integrating testing with continuous integration/continuous deployment (CI/CD) pipelines. Many courses introduce tools like Selenium WebDriver, TestNG, and JUnit, that support executing tests and managing test results. You'll also explore concepts like page object models and cross-browser testing, equipping you to ensure software quality across various platforms.