One round of Technical Interviews with the questions pretty standard. Also had a round where a problem was given and the candidates were asked to identify the errors in the code.

5 rounds in total: except oa all 4 round are offline and very genuine process. Online assessment: dsa oriented 3 questions, 90 min, 1 easy, 1 med, 1 hard. Debug Round: bugged LRU cache should be debugged in 30 mins. (pen and paper) interview 1: dsa oriented, 1 hard dsa problem, complete intution, dry run, pseudo code, time and space complexity. (pen and paper) interview 2: system design round, asked to build a tracking app and complete architecture of it, how it works, database schema, authentication and authorization implementation, different scaling cases, networking protocols, how they work, few basic cs fundamentals, and few questions on resume.(pen and paper) hiring manager round: friendly round, few basic os fundamental questions, and few personal questions.