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Updated weekly · Last refresh Oct 17

Etsy Data Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 4 questions + 2 drills · ~59 min
Top Categories in 30 DaysMedium
Practice

Rank Etsy categories by completed units sold during a rolling 30-day window using joins, aggregation, and ranking.

Date Functionssql queryData AnalysisEtsy
Optimize Slow JoinHard

Tests query tuning and join optimization for large Etsy behavioral and purchase datasets.

Performance TuningJoinsquery optimizationEtsy
Cohort Growth Rate DifferencesMedium

Tests SQL techniques for cohort growth calculations and comparing cohort metrics.

sql queryEtsy
Deduplicate Large TransactionsMedium

Tests strategies for deduplication and data correctness in large Etsy transaction datasets.

data cleaningdata integrityEtsy
SQL for Top BuyersMedium
Practice
Practice drill

Task Etsy wants to identify its most active buyers using recent purchase activity. Write a SQL query to find the top 10% of active buyers based on purchase...

Window FunctionsDate FunctionsRankingEtsy
Build Monthly Retention Cohort TableHard
Practice
Practice drill

Build a monthly customer retention cohort table using CTEs, date math, and conditional aggregation.

Window FunctionsDate FunctionsAggregationsBoltDaveAffirm
2
More topics3 questions · ~29 min
Schema Evolution in PipelinesMedium

Tests approaches to manage schema changes without breaking downstream consumers in Etsy pipelines.

data pipelinedata managementschema evolutionEtsy
Real-Time Clickstream IngestionHard

Tests end-to-end design of real-time streaming ingestion for Etsy clickstream events.

data pipelineingestionEtsy
Leadership and Management BehaviorMedium

Assesses leadership, prioritization, and communication during high-pressure situations.

system designCodingManagementEtsy

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The finish line: interview-readyComplete all 7 questions plus 2 hands-on drills to finish this plan.