Top 38
Prep plan
Updated weekly · Last refresh Oct 17

ERM AI Engineer Interview Questions

The questions to prepare for a ERM AI Engineer interview. Questions from real interview reports rank first. Updated daily.

38questions
~6htotal time
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1
CodingStart here. 6 questions · ~57 min
Basic Linear Regression FunctionEasy
Practice

Implement ordinary least squares to fit a line and predict values for new inputs.

RegressionMathArraysERM
Reverse Linked ListEasy
Practice

Reverse a singly linked list iteratively and recursively in Python.

RecursionLinked ListsbasicsERM
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2
Generative AI & LLMs5 questions · ~48 min
Explain Prompt Injection to CustomersHard

Design a safe LLM workflow that explains prompt injection to technical customers without hallucinating or overstating security guarantees.

Prompt EngineeringPrompt InjectionLLM EvaluationERM
Improve RAG Answer QualityHard

Design and evaluate a RAG assistant over internal policy and delivery docs with strict latency, cost, and hallucination limits.

Prompt EngineeringRAGLLM EvaluationERM
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3
System Design4 questions · ~38 min
Choose Online vs Batch ServingHard

Choose an architecture for model inference, comparing online and batch serving for a production ML system.

InfrastructureTrade-offsModel ServingERM
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4
Machine Learning4 questions · ~38 min
Preprocessing Data With Missing ValuesMedium

Explain how to preprocess missing data for a supervised learning task without introducing leakage or degrading model quality.

Cross-ValidationFeature EngineeringSupervised LearningERM
Describe an ML Project You BuiltMedium

Describe a machine learning project, from problem framing and feature work to model training and evaluation.

Cross-ValidationFeature EngineeringSupervised LearningERM
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5
Model Evaluation4 questions · ~38 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.

PrecisionAccuracyRecallERM
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6
Behavioral & Leadership15 questions · ~143 min
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