Comcast Data Engineer Interview Questions
The questions to prepare for a Comcast Data Engineer interview. Questions from real interview reports rank first. Updated weekly.
Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
ComcastExplain how LAG and LEAD compare current rows to previous or next periods in time-series SQL analysis.
ComcastTests your ability to reason about self-referential relationships in SQL queries.
ComcastCompute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.
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Spotify
Meta ITAggregate monthly sales by product category and use LAG to calculate month-over-month changes.
Total Wine & More
Inc.
Benjamin MooreExplain the ETL process, why it matters, and how it fits into a practical data pipeline.
ComcastApproach for maintaining data quality and integrity across ETL pipelines.
ComcastApproach for building near-real-time dashboard pipelines with streaming, orchestration, and data quality controls.
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Tests your understanding of core Python data structures and their appropriate use.
ComcastTests your readiness with core Python concepts commonly used in data engineering tasks.
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