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Four rounds (DSA + SQL window, project + Spark, optimization, HR) with deep project knowledge and Spark tuning.
Cloud / platform
Azure; Spark, Hadoop, Kafka, on-prem
Reported difficulty
Not reported
DSA + SQL (window) → project + Spark coding → optimization → HR. Know your projects deeply; Spark optimization + SQL window functions are core; calm discussion style.
Answered questions on what Jio actually asks — each with the short answer, the answer that gets you rejected, and the follow-up.
Then build one and have it reviewed: design a daily orders pipeline or model a marketplace. No account.