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Joby Aviation Interview Questions

The questions to prepare for Joby Aviation interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
Technical FundamentalsStart here. 5 questions · ~44 min
Black-Box vs White-Box TestingEasy

Compare testing based on external behavior with testing guided by internal code structure and implementation.

CommunicationLeadershipsmoke testingJJoby Aviation
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2
Behavioral & Leadership15 questions · ~131 min
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3
More topics7 questions · ~61 min
Rolling Average with SQL Window FunctionsMedium
Practice

Use a PostgreSQL window function to calculate inclusive 30-day rolling sensor averages for active WSP monitoring assets.

Window FunctionssqlJJoby Aviation
Explaining P Values ClearlyEasy

Explain what a p-value means, how it relates to statistical significance, and how to describe it clearly to non-technical stakeholders.

CommunicationStatistical SignificanceP-ValuesJJoby Aviation
Compute A/B Test Sample SizeHard

Determine the sample size needed to detect a meaningful A/B test effect at a chosen significance level and power.

experiment designMDEStatistical SignificanceJJoby Aviation
Define Feature Success MetricsMedium

Framework for choosing a feature's primary success metric and guardrails before launch.

MetricsFeature PrioritizationProduct VisionJJoby Aviation
Mitigating Experimentation PitfallsHard

Identify major online experimentation pitfalls and explain practical mitigations for SRM, network effects, peeking, and novelty.

experiment designNetwork InterferenceNetwork EffectsJJoby Aviation
Optimize Large PostgreSQL Query PerformanceMedium

Explain how to tune slow PostgreSQL queries on multi-million-row tables using indexes, execution plans, joins, and partitioning.

Performance Tuningquery optimizationsqlJJoby Aviation
Handle Seasonality and ShocksHard

Explain how to separate recurring seasonal patterns from external shocks in historical time-series analysis.

RegressionseasonalityTime SeriesJJoby Aviation

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