If you are an automation test engineer and interested in software testing then learning Selenium is obviously the good choice for you since the scope for qualified Selenium test automation engineers is good and for a bright future in the IT field. Test automation market trends are increasing rapidly with extensive demand for Selenium. There are a lot of companies worldwide that rely on Selenium resources to check their needs such as Microsoft, Facebook, Google, Mozilla, LinkedIn, IBM, etc.
I would recommend this Selenium Training Course by Intellipaat to learn about selenium web driver scripts and its frameworks.
Also, watch this video on the career scope of Selenium Testing: