Google

4 rounds. First round, the question was very confusing, and the interviewer refused to explain it. Second was a hashtables-based question. Third was ML & system design. Fourth was on Googleyness.

There were 4 rounds focused on Data Structures and Algorithms (DSA). The topics covered included Stacks, Trees, Heaps, and Graphs. Time and space complexity were discussed in detail, with multiple follow-ups. Aim to solve LeetCode Medium and Hard

Phone interview and then a call with a coding test. Pay attention to code; you can find it at LeetCode, where examples are provided for the codes you can use.