Interview Tracks
Databricks
Architecture decisions, Delta Lake internals, Unity Catalog, performance tuning, and production-grade design questions.
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PySpark
Execution engine internals, shuffle optimization, joins, memory management, debugging, and large-scale ETL scenarios.
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Snowflake
Virtual warehouses, micro-partitions, time travel, cost optimization, and real-world SQL design challenges.
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Apache Airflow
DAGs, scheduling, operators, sensors, XComs, executors, monitoring, and production workflow orchestration.
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