Visa

Overview of SQL process and queries with a sample dataset. Scenario-based questions. A detailed discussion about the scenario and the approach anyone should follow to arrive at a solution.

They have 3-4 rounds. There were 2-3 technical rounds and a hiring manager round. The first round was pure DSA. The second and third rounds were for SQL and Spark processing. Data structures was moderate in difficulty.

Initial phone screening with HR on fitment. Round 1: Exploratory round with director - describing details around technology used, projects, and fitment - 1 hour. Round 2: CodeSignal round - SQL scenario-based questions around window functions, MAX,