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Prep plan
Updated weekly · Last refresh Aug 30

Citi AI Engineer Interview Questions

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

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1
System DesignStart here. 9 questions · ~72 min
Design a Distributed AI Training PlatformHard

Design a distributed AI training platform that supports large-scale data processing, multi-node training, evaluation, and production model rollout.

Feature StoreRetrievalModel ServingCiti
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingCiti
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2
Machine Learning3 questions · ~24 min
Data Drift and RetrainingMedium

Tests ability to maintain ML performance over time with monitoring, retraining, and governance.

data driftproduction environmentCiti
Learning Types for Fraud DetectionMedium

Tests knowledge of ML paradigms and how they map to fraud detection use cases.

Unsupervised LearningSupervised LearningCiti
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3
Behavioral & Leadership4 questions · ~32 min
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4
More topics4 questions · ~32 min
Use Vector Databases with EmbeddingsHard

Explain how embeddings and vector databases fit into a retrieval pipeline for grounded AI responses.

Language ModelsText ClassificationWord EmbeddingsCiti
Ethics in Generative AI DeploymentMedium

Discuss the main ethical risks in deploying generative AI, including hallucination, misuse, privacy, and governance.

HallucinationPrompt InjectionLLM EvaluationCiti
Evaluating LLMs in FinanceHard

Tests skill in selecting metrics, test design, and validation for LLMs in finance.

performance metricsLLM EvaluationCiti
Transformer vs RNN ArchitectureMedium

Tests understanding of core LLM architectures and their practical implications versus RNNs.

Deep LearningCiti

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