Top 15
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~2h total · Updated weekly · Last refresh Aug 9

Opendoor Applied Scientist Interview Questions

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

Deciding With Incomplete Data
Medium

Tests how a candidate makes an ownership-minded decision when data is missing, balancing speed, risk, and stakeholder alignment.

CommunicationOwnershipDealing With Ambiguity
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Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance Tradeoff
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Improving User Retention
Medium

Tests your ability to diagnose retention drivers and translate analysis into measurable actions.

Cross-ValidationFeature EngineeringSupervised Learning
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Identify Most Important Features
Medium

Tests your approach to feature importance and model interpretability.

Cross-ValidationEnsemble MethodsFeature Engineering
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Building a Pricing Model
Medium

Tests your ability to define targets, features, evaluation, and deployment considerations for pricing.

Feature EngineeringRegressionSupervised Learning
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Designing Website Experiment
Medium

Tests your experimental design, metrics, and statistical reasoning for product decisions.

ExperimentationHypothesis TestingA/B Testing
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Handling Missing Data
Easy

Tests practical data cleaning decisions and impact on downstream analysis quality.

Data WranglingCase WhenAggregations
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