Data Engineer Interview
Practice interview questions for data engineer roles. Cover pipelines, ETL/ELT, data modeling, and reliability. Answer questions and receive feedback. Ideal for data engineering interview prep. First 2 questions are free with full feedback.
- Level Intermediate
- Questions 12
Try any track free — first 2 questions include full AI feedback. Subscribe to finish the track and unlock everything. Type or speak your answer — the first 2 questions include scoring and detailed AI feedback.
Sample data engineer interview interview questions
Preview 6 questions from this track in quiz order. In the full quiz you answer one at a time — type or speak — then get a score and feedback.
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How do you design a data pipeline?
What a strong answer includes
Sources, transformations, and destinations.
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What is the difference between ETL and ELT?
What a strong answer includes
Where transformation happens.
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How do you handle schema changes?
What a strong answer includes
Versioning or compatibility.
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Describe a data quality issue you fixed.
What a strong answer includes
Detection and remediation.
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How do you model data for analytics?
What a strong answer includes
Star schema or dimensional modeling.
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What tools have you used for data pipelines?
What a strong answer includes
Airflow, Spark, or similar.