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Updated weekly · Last refresh Aug 30

Navi Interview Questions

The questions to prepare for Navi interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
SQL & Data ManipulationStart here. 5 questions + 2 drills · ~71 min
2
Coding5 questions · ~51 min
Count Islands in a GridEasy
Practice

Use DFS on a matrix-as-graph to count connected components of land cells.

MatrixGraphsNavi
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3
Metrics5 questions · ~51 min
Diagnose a Metric Drop After LaunchMedium

Investigate why a key KPI moved the wrong way after a product change and separate signal from noise.

Lagging IndicatorsLeading IndicatorsDiagnosisNavi
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4
Execution5 questions · ~51 min
Roadmap With Competing PrioritiesHard

Build and execute an engineering roadmap when product, reliability, and platform priorities compete for the same team capacity.

RoadmappingScope ManagementPrioritizationNavi
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5
System Design4 questions · ~40 min
Design a Personalized Product RecommenderHard

Design an end-to-end product recommendation system for a large e-commerce marketplace with strict latency and freshness needs.

Feature StoreFeature DriftModel ServingNavi
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6
Machine Learning4 questions · ~40 min
Random Forest vs Gradient BoostingMedium

Compare Random Forest and Gradient Boosting, then choose the right ensemble for a supervised learning task.

Ensemble MethodsBias-Variance TradeoffSupervised LearningNavi
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7
More topics22 questions · ~222 min
Interpreting Significance in ExperimentsMedium

Explain statistical significance in experiments and how p-values and confidence intervals guide interpretation.

Confidence IntervalsStatistical SignificanceP-ValuesNavi
Choosing Randomization Unit for UI TestMedium

Choose the right randomization unit for a customer-facing experiment and explain how that choice affects metrics, power, and validity.

ExperimentationGuardrail MetricsA/B TestingNavi
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.