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Updated weekly · Last refresh Oct 17

Scribd Machine Learning Engineer Interview Questions

The questions to prepare for a Scribd Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
~11htotal time
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1
CodingStart here. 30 questions · ~410 min
Check Tree SymmetryEasy
Practice

Determine whether a Scribd topic tree is symmetric using mirrored binary-tree traversal.

Scribd
Cheapest Recent RecommendationMedium
Practice

Use a monotonic stack to find the most recent earlier recommendation priced below each Scribd item.

Array ManipulationScribd
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2
Model Evaluation4 questions · ~55 min
Assess Offline NDCG Impact on User Reading TimeMedium

Evaluate whether a 5% increase in NDCG correlates with a rise in user reading time for a content recommendation system.

PrecisionAccuracyRecallScribd
Evaluate a Recommendation SystemMedium

Evaluate whether a recommendation system is improving engagement and ranking quality, not just offline metrics.

PrecisionAccuracyRecallScribd
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3
Machine Learning11 questions · ~150 min
Evaluate Dense Retrieval vs. BM25 for Document SearchMedium

Compare dense retrieval models and BM25 for document search efficiency and effectiveness, focusing on trade-offs in performance and interpretability.

Feature EngineeringSupervised LearningScribd
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4
Pipelines3 questions · ~41 min
Feature Store for Batch vs StreamingHard

Assesses system design for reliable feature generation, consistency, and low-latency serving.

ETLOrchestrationData ModelingScribd
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5
More topics2 questions · ~27 min
Explain TF-IDF for Text FeaturesEasy

Explain TF-IDF and where it helps in text classification and search.

Text ClassificationTF-IDFTokenizationScribd
Central Limit Theorem ImportanceHard

Explain how sample means become approximately normal and why this supports inference from samples.

DistributionsCentral Limit Theoremstatistics fundamentalsScribd
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