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Prep plan
Updated weekly · Last refresh Aug 30

Zillow Applied Scientist Interview Questions

The questions to prepare for a Zillow Applied Scientist interview. Questions from real interview reports rank first. Updated weekly.

30questions
~4htotal time
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1
Machine LearningStart here. 7 questions · ~56 min
Extreme Imbalance in Binary ClassificationMedium
Recently asked

Handle severe class imbalance in a binary deep learning model using sampling, weighted losses, and the right evaluation metrics.

Hyperparameter TuningDeep LearningClass ImbalanceZillow
L1 vs L2 RegularizationMedium
Recently asked

Explain how L1 and L2 regularization differ geometrically and probabilistically, grounded in a practical supervised learning example.

Feature EngineeringRegularizationSupervised LearningZillow
Transformers vs RNNs for SequencesMedium
Recently asked

Tests your understanding of sequence modeling differences and practical implications for ML architectures.

Neural NetworksDeep Learningmodel trainingZillow
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2
System Design6 questions · ~48 min
Zillow Home Recommendation EngineHard
Recently asked

Tests your ability to design ranking/recommendation systems and set up robust offline and online evaluation.

Feature StoreModel ServingRecommendation SystemsZillow
Cluster Similar Properties With ImagesHard
Recently asked

Tests your ability to combine multimodal features and design scalable clustering for real-world property data.

ClusteringFeature StoreDeep LearningZillow
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3
Coding4 questions · ~32 min
Spark/Pandas Feature Engineering Memory FixMedium
Recently asked

Tests data engineering and feature engineering optimization under memory constraints.

Data Structuressparkperformance analysisZillow
Route Planning for Open HousesHard
Recently asked

Tests algorithmic thinking for route optimization and handling constraints.

SearchingAlgorithmsGraphsZillow
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4
Behavioral & Leadership12 questions · ~97 min
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5
More topics1 question · ~8 min
Seasonality EstimationEasy

Evaluates your ability to choose and explain a straightforward time-series seasonality approach.

EstimationseasonalityZillow
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