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Updated weekly · Last refresh Aug 30

Ernst & Young AI Engineer Interview Questions

The questions to prepare for a Ernst & Young AI Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
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1
Model EvaluationStart here. 9 questions · ~73 min
Measure AI Model PerformanceEasy

Explain how to evaluate an AI model using the right metrics and how metric choice depends on the business goal.

PrecisionAccuracyRecallErnst & Young
Monitor Production Model PerformanceHard

Approach for monitoring a model in production and spotting drift, threshold issues, and calibration loss.

PrecisionAccuracyRecallErnst & Young
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2
Generative AI & LLMs11 questions · ~89 min
Approach LLM Fine-Tuning for TasksMedium

Explain a practical approach to fine-tuning an LLM for a specific task, including data, evaluation, and hallucination risks.

Prompt EngineeringLLM EvaluationFine-TuningErnst & Young
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3
System Design9 questions · ~73 min
Design a Multi-Agent SystemHard
Recently asked

Tests system design for coordinating multiple agents and managing interactions and failure modes.

multi-agent systemsdesignErnst & Young
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4
Machine Learning7 questions · ~57 min
Core Components of AI AgentsMedium
Recently asked

Tests understanding of agent architecture and how components coordinate to complete tasks.

AI agentsErnst & Young
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5
Coding4 questions · ~32 min
Python Decorators for BackendEasy
Recently asked

Tests knowledge of Python decorators and their practical use in backend engineering.

decoratorspythonErnst & Young
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6
Pipelines5 questions · ~40 min
Retry Logic for Unstable APIsMedium
Recently asked

Tests ability to build resilient pipeline behavior with correct retry and failure handling.

Ernst & Young
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7
More topics5 questions · ~40 min
Embeddings and Vector Search (Alt)Medium
Recently asked

Tests understanding of embeddings and retrieval via vector similarity search.

Vector SearchErnst & Young
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