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Delivery Hero India Machine Learning Engineer Interview Questions

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

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1
Machine LearningStart here. 10 questions · ~87 min
Time Series Feature EngineeringMedium

Design lag, rolling, and calendar features for a forecasting problem with temporal dependence.

Feature EngineeringSupervised LearningTime SeriesDDelivery Hero India
Handling Imbalanced Fraud LabelsMedium

Explain how to train and evaluate models on highly imbalanced fraud data without relying on misleading accuracy.

Cross-ValidationFeature EngineeringSupervised LearningDDelivery Hero India
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2
System Design10 questions · ~87 min
Design a Cold Start RankerMedium

Design a recommendation and ranking system that handles cold start for both new users and new items without hurting feed quality.

Cold StartTwo-Tower ModelsRecommendation SystemsDDelivery Hero India
Design a Low Latency Inference PlatformHard

Design a low latency ML inference platform for high-frequency online predictions with strict response times and evolving model features.

high-frequency requestslatencysystem architectureDDelivery Hero India
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3
Coding4 questions · ~35 min
Compute a Metric From ScratchMedium
Practice

Calculate binary classification F1 score from predicted and actual labels without using ML libraries.

CodingArraysProgrammingDDelivery Hero India
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4
Behavioral & Leadership6 questions · ~52 min
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5
More topics4 questions · ~35 min
Monitor a Production ML PipelineMedium

Design telemetry and monitoring for a production ML pipeline to catch latency, failures, and data quality issues early.

monitoringtelemetryQualityDDelivery Hero India
Explain Transformers to StakeholdersMedium

Assesses your ability to communicate ML concepts clearly to nontechnical stakeholders.

stakeholder communicationDDelivery Hero India
Beyond Accuracy MetricsMedium

Tests metric selection, offline-online alignment, and evaluation methodology.

Accuracyperformance metricsModel EvaluationDDelivery Hero India
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