Top 41
Prep plan
Updated weekly · Last refresh Aug 30

ERM AI Engineer Interview Questions

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

41questions
~6htotal time
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1
CodingStart here. 6 questions · ~56 min
Reverse Linked ListEasy
Practice

Reverse a singly linked list iteratively and recursively in Python.

RecursionLinked ListsbasicsERM
Find Two Sum IndicesEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysSortingERM
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2
Generative AI & LLMs5 questions · ~47 min
Reduce Hallucinations in LLM AnswersEasy

Explain LLM hallucination and give three practical ways to reduce it using grounding, prompting, and evaluation.

HallucinationPrompt EngineeringRAGERM
Design a Multi-Agent Research AssistantMedium

Design a grounded multi-agent assistant that plans, retrieves, and synthesizes answers under strict latency, cost, and hallucination limits.

Prompt EngineeringRAGLLM AgentsERM
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3
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
Choose Classification MetricsMedium

Choose the right classification metrics, and explain when precision, recall, and F1 score matter most.

F1 ScorePrecisionRecallERM
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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
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5
System Design4 questions · ~38 min
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingERM
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6
Behavioral & Leadership18 questions · ~169 min
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