Dataford
Top 29
Prep plan
Updated weekly · Last refresh Aug 30

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 weekly.

29questions
~4htotal time
Track your progressSign up free to work through all 29 questions and resume where you left off.
Start practicing free →
1
Machine LearningStart here. 6 questions · ~48 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
More Machine Learning questions with a free account
2
NLP4 questions · ~32 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
Evaluating Topic ModelingMedium

Tests knowledge of evaluation approaches for unsupervised topic models.

Evaluation TechniquesNLPTopic ModelingZoom Video Communications
More NLP questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
A/B Testing & Experimentation3 questions · ~24 min
Setting Up an A/B TestMedium

Tests experimental design and statistical analysis for feature evaluation at Zoom Video Communications.

experiment designincremental liftprimary metricsZoom Video Communications
More A/B Testing & Experimentation questions with a free account
4
Behavioral & Leadership11 questions · ~88 min
More Behavioral & Leadership questions with a free account
5
More topics5 questions · ~40 min
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
Cohort Feature Adoption with SQLMedium

Tests ability to design SQL queries for cohort-based feature adoption analysis.

JoinsCohort AnalysisAggregationsZoom Video Communications
More questions with a free account
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
LeetCode Hard SQLHard
Practice
Practice drill

Use PostgreSQL CTEs and lateral joins to find text positions containing every required keyword exactly once.

CodingKpitKaiser Permanente
SQL Coding Question CountMedium
Practice
Practice drill

Count 0 and 1 sensor readings by Bosch building using a CTE, LEFT JOIN, and conditional aggregation.

CodingpythonBosch Building Technologies
LeetCode SQL PracticeEasy
Practice
Practice drill

Count unique normalized KPIT portal emails using PostgreSQL string functions and COUNT(DISTINCT).

Codingdata processingKaiser PermanenteKpit
The finish line: interview-readyComplete all 29 questions plus 3 hands-on drills to finish this plan.