I'd suggest reading this: https://techinterviewhandbook.org/ https://techinterviewhandbook.org/ This is a good general website that I think covers the various

I'd suggest reading this: https://techinterviewhandbook.org/ https://techinterviewhandbook.org/ This is a good general website that I think covers the various stages, including what happens once people actually want to interview you. Don't worry about mastering anything, as a CS grad even if you think you've mastered something, you really haven't. I've been in the industry for 20 years and I still don't think I've mastered anything. Don't worry about that. You always have to learn their stack, their libraries, CI system, that's just par for the course.