Top 26
Prep plan
Updated weekly · Last refresh Sep 22

Chegg Data Engineer Interview Questions

The questions to prepare for a Chegg Data Engineer interview. Questions from real interview reports rank first. Updated daily.

26questions
~4htotal time
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1
CodingStart here. 3 questions · ~31 min
Merge Two Sorted Linked ListsEasy
Practice

Merge two sorted singly linked lists into one sorted list by relinking existing nodes.

RecursionLinked ListsSortingChegg
Shell Scripting on Remote ServersHard

Tests practical knowledge of remote execution and operational reliability.

shell scriptingsql queriesData ModelingChegg
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2
SQL & Data Manipulation10 questions + 1 drill · ~112 min
Second Highest Without AggregatesHard
Practice

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsChegg
Optimizing a Slow QueryHard

Tests your performance troubleshooting skills across query design and database behavior.

SubqueriesJoinsCTEsChegg
Difference Between WHERE and HAVING ClausesEasy

Explain the differences between WHERE and HAVING clauses in SQL and when to use each.

JoinsData WranglingAggregationsChegg
Find Active Chegg Study UsersEasy
Practice
Practice drill

Filter active Chegg Study users with more than 3 completed sessions using WHERE and ORDER BY.

JoinsData WranglingAggregationsChegg
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3
Pipelines11 questions · ~113 min
Prepare Training Data PipelineMedium

Outline a repeatable pipeline for cleaning, validating, and preparing a dataset for model training.

ETLData ModelingQualityChegg
Handle Incomplete Pipeline DataMedium

Approach for handling missing, inconsistent, and duplicate data in a pipeline without breaking downstream analytics.

Data WranglingETLQualityChegg
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityChegg
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4
More topics2 questions · ~20 min
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The finish line: interview-readyComplete all 26 questions plus 1 hands-on drill to finish this plan.