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Updated weekly · Last refresh Oct 17

Zoom Video Communications Data Scientist Interview Questions

The questions to prepare for a Zoom Video Communications Data Scientist interview. Questions from real interview reports rank first. Updated daily.

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~4htotal time
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1
NLPStart here. 4 questions · ~34 min
Explain Transformer Architecture and Attention MechanismsHard

Discuss the architecture of Transformers, focusing on self-attention and its impact on NLP tasks.

Neural NetworksLanguage ModelsDeep LearningZoom Video Communications
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2
Machine Learning6 questions · ~51 min
Bias Variance and RegularizationMedium

Explain the bias-variance tradeoff mathematically and how L1 and L2 regularization change model complexity and weights.

Bias-Variance TradeoffRegularizationSupervised LearningZoom Video Communications
Math Behind Attention MechanismHard

Evaluates understanding of the underlying mathematics of attention mechanisms.

Deep LearningZoom Video Communications
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3
A/B Testing & Experimentation3 questions · ~25 min
Experimentation and CollaborationMedium

Evaluates experimentation mindset, collaboration style, and prioritization decisions tied to product learning.

ExperimentationcollaborationZoom Video Communications
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4
Behavioral & Leadership9 questions · ~76 min
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5
More topics6 questions · ~51 min
Week-over-Week Retention QueryHard
Practice

Calculate Asana Spa Smart Goals week-over-week retention by first-use cohort using CTEs, joins, and date aggregation.

Window FunctionsDate FunctionsAggregationsZoom Video Communications
Testing Zoom Quality Change SignificanceMedium

Tests ability to choose appropriate hypothesis tests for product metric changes at Zoom Video Communications.

Hypothesis TestingStatistical SignificanceP-ValuesZoom Video Communications
Diagnosing Engagement Drop After ReleaseMedium

Tests debugging and analytical reasoning to identify drivers of metric regressions after product changes.

Diagnosisrollout metricsEngagement MetricsZoom Video Communications
Product Metric for Meeting QualityMedium

Tests product thinking for defining measurable, reliable metrics tied to Zoom Video Communications outcomes.

Metricsuser valueProduct VisionZoom Video Communications
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
Rolling 7-Day Average Meeting DurationMedium
Practice
Practice drill

Calculate each Zoom account's rolling 7-day average meeting duration using date-based aggregation and window functions.

Window FunctionsDate Functionsnull handlingZoom Video Communications
3+ Purchases on First and Last DayMedium
Practice
Practice drill

Identify customers buying at least three books on both global sales boundary dates while excluding single-transaction customers.

Window FunctionsDate FunctionsJoinsMeta LogisticsMeta
The finish line: interview-readyComplete all 28 questions plus 2 hands-on drills to finish this plan.