Covers JVM memory, garbage collection, transactions, normalization, query tuning, indexing strategies, concurrency control, connection pooling, deadlocks, caching, HashMap collision handling, equals-hashCode contract, and solving problems like duplicate detection, grouping, and data aggregation efficiently.

The first round in the interview process was consisting of two sections one aptitude along with technical questions followed by a coding round with three coding questions which were at medium to easy difficulty finally it ended with a psychometric behavioural quiz.