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I applied online and took a HackerRank test. It had three questions, ranging from easy to medium difficulty, which can likely be found online. I passed the test and had an online technical interview within the month.

First round: Interview over call (behavioral questions). Second round: HackerRank exam. The interview over call was easy. They asked questions about my past work experience, as well as other behavioral and situational questions. HackerRank generate

3-4 rounds of interview, with the interviewer asking about basic topics like interrupts, deadlock, multiprogramming, multiprocessing, and multithreading. 4) Database questions, mostly query-related. In the HR round, they asked managerial questions