Interview process level goes from basic to medium. Understanding of basic concept Most of the time recruiter try examine problem solving skill of candidate Simple coding questions will be asked , you can consider leetcode basic questions. My Interview was most of about the Projects I had mentioned in my resume and the interview round 1. Technical => 1.5 hr and 2. HR => 30 mins What to study ? C, C#, Object Oriented Programming , Basics of Multi-threading