Top 40
Prep plan
Updated weekly · Last refresh Aug 30
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data consultancy AI Engineer Interview Questions

The questions to prepare for a data consultancy AI Engineer interview. Questions from real interview reports rank first. Updated weekly.

40questions
~6htotal time
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1
System DesignStart here. 9 questions · ~74 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel Servingddata consultancy
Design a Multi Agent Coordination SystemHard

Design the infrastructure for a multi-agent system where agents communicate, coordinate work, and recover from non-deterministic failures.

Feature StoreModel ServingRecommendation Systemsddata consultancy
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2
Model Evaluation3 questions · ~25 min
Monitor Model Performance Over TimeMedium

Approach for continuously monitoring a deployed model and keeping performance stable as data changes.

CalibrationAccuracyThreshold Tuningddata consultancy
Validate Real-World Model PerformanceHard

How to validate a model's real-world performance beyond offline metrics, with calibration and threshold decisions tied to production outcomes.

Cross-ValidationCalibrationAUC-ROCddata consultancy
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3
Generative AI & LLMs6 questions · ~50 min
Evaluate an LLM SystemMedium

Explain how to evaluate a generative model using offline and online methods, with attention to hallucination, product metrics, and experiment design.

HallucinationPrompt EngineeringLLM Evaluationddata consultancy
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4
Machine Learning4 questions · ~33 min
Debugging a Failing ML ModelMedium

Use a structured process to debug model performance issues across data, features, validation, and error patterns.

Feature EngineeringModel EvaluationSupervised Learningddata consultancy
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5
Coding5 questions · ~41 min
Optimize Python for Large DatasetsMedium

Tests performance engineering skills for data pipelines, including profiling and optimization strategies.

performance optimizationlarge datasetspythonddata consultancy
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6
Behavioral & Leadership11 questions · ~91 min
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7
More topics2 questions · ~17 min
Embeddings and Vector SearchMedium

Tests understanding of embeddings, similarity search, and how they support retrieval in AI systems.

Vector Searchddata consultancy
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