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B

Blackrock

SDE

Interview Date

2024

Result

Not Specified

Difficulty

—

Rounds

—

Drive Type

On-Campus

Interview Date

2024

Result

Not Specified

Difficulty

—

Rounds

—

Drive Type

On-Campus

Topics asked

Operating Systems (deadlocksRAID)DBMS (SQL vs NoSQLkeysJOINsMongoDB)DSA (graph shortest pathstringshashing)

Detailed experience

Role: SDE

College: VIT

Interview Date: 2024

Interview Type: On-Campus

Result: Not Specified

Topics Asked: Operating Systems (deadlocks, RAID), DBMS (SQL vs NoSQL, keys, JOINs, MongoDB), DSA (graph shortest path, strings, hashing)

Experience:

On-campus SDE interview at BlackRock (VIT, 2024). The technical discussion spanned three areas. Operating systems questions covered deadlocks, RAID and general OS concepts. DBMS questions covered SQL vs NoSQL, foreign keys, primary vs unique keys, finding the second-highest record, JOIN types and MongoDB-related queries. The DSA portion included a graph shortest-path problem and several string problems — printing a string in reverse without built-in functions, in-place swapping, counting ASCII values and replacing with the largest value — along with hashing questions on counting character occurrences and finding the second-largest element.

Posted on - 20 Aug 2026