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Updated weekly · Last refresh Oct 17

Zillow Data Analyst Interview Questions

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

15questions
~2htotal time
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1
SQL & Data ManipulationStart here. 4 questions + 3 drills · ~62 min
Handling Missing Values in ProductionMedium

Explain how to detect, classify, and safely handle missing values in PostgreSQL production datasets.

missing valuesdata cleaningproduction environmentZillow
Handling Variable SQL DifficultyMedium

Evaluates your SQL problem-solving strategy under changing complexity.

sqlZillow
Optimizing Slow SQL QueriesHard

Tests SQL performance tuning, indexing, query plans, and data modeling tradeoffs.

Performance Tuningdatabase managementZillow
SQL for Action SequencesMedium

Tests SQL windowing, event sequencing logic, and correct filtering for user journeys.

sql querydata extractionZillow
SQL and Preprocessing PracticeMedium
Practice
Practice drill

Create a reliable Zillow listings dataset by cleaning records and selecting each listing's latest valid status.

missing valuesdata preprocessingdata preparationZillow
Optimizing Poorly Performing SQLHard
Practice
Practice drill

Optimize a PostgreSQL reporting query by reducing scanned rows, preserving unmatched records, and selecting the latest related review efficiently.

database optimizationlarge datasetsperformancePPriority Technology Holdings, LLCZillowOne
SQL Month-over-Month GrowthMedium
Practice
Practice drill

Calculate monthly GoFundMe campaign counts and month-over-month growth using CTEs, date functions, joins, and aggregation.

Date Functionssql queryGoFundMeWWPP MediaEquipmentShare
2
Behavioral & Leadership8 questions · ~64 min
Delivering With a Cross-Functional TeamEasy

Tests teamwork in a delivery setting, including communication, ownership, and cross-functional collaboration under shared goals.

CommunicationLeadershipZillow
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3
More topics3 questions · ~24 min
Building a Data Pipeline From ScratchHard

Tests end-to-end pipeline design, reliability, data validation, and operational considerations.

project experiencedata pipelinedata engineeringZillow
Measuring Zillow App Feature SuccessMedium

Tests product metrics selection, experiment thinking, and linking outcomes to user behavior.

Metricsuser engagementZillow
Validating Dashboard AccuracyMedium

Tests data quality checks, reconciliation, metric definitions, and validation rigor.

data validationreportingZillow

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