Top 27
Prep plan
Updated weekly · Last refresh Sep 21

Chewy Data Engineer Interview Questions

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

27questions
~5htotal time
Track your progressSign up free to work through all 27 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 6 questions · ~70 min
Employee vs Manager Salary QueryEasy
Practice

Use a self-join to find Chewy employees whose salaries exceed their direct managers’ salaries.

aggregationsqlChewy
Top Brands by StateMedium
Practice

Rank Chewy's top three pet food brands in each state by units sold during the last 30 days.

Window FunctionsJoinsAggregationsChewy
Revenue by Product CategoryEasy
Practice

Calculate Chewy order revenue for the previous quarter using joins, date filtering, and category aggregation.

JoinsGroup ByAggregationsChewy
More SQL & Data Manipulation questions with a free account
2
Coding4 questions · ~47 min
Extract Session IDs from JSON LogsMedium
Practice

Parse noisy JSON click logs and return unique matching Chewy session IDs in first-seen order.

Data WranglingStringsData StructuresChewy
Deduplicate Pet Profile RecordsEasy
Practice

Deduplicate Chewy pet profiles by pet name and owner ID using a hash set while preserving first-seen order.

Hash TablesStringsData StructuresChewy
More Coding questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Pipelines8 questions · ~93 min
Optimize Multi-Terabyte ETL PipelineMedium

Explain how you improved a slow ETL pipeline on multi-terabyte data, including bottleneck analysis, tuning choices, and validation.

ETL optimizationdata processingperformanceChewy
IaC for Pipeline InfrastructureMedium

Explain how you use IaC to provision and manage pipeline infrastructure consistently across environments.

InfrastructureOrchestrationDependenciesChewy
More Pipelines questions with a free account
4
Behavioral & Leadership8 questions · ~93 min
More Behavioral & Leadership questions with a free account
5
More topics1 question · ~12 min
Chewy Lakehouse System DesignHard

Evaluates system design tradeoffs for a lakehouse that supports both analytics and low-latency features.

architectureChewy
The finish line: interview-readyComplete all 27 questions to finish this plan.