Top 50
Prep plan
Updated weekly · Last refresh Oct 17

CGI AI Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 8 questions · ~78 min
Palindrome Check With ConstraintsEasy
Practice

Check whether a string is a case-insensitive palindrome after removing non-alphanumeric characters with two pointers.

ArraysStringsTwo PointersCGI
Detect Anomalies in DataMedium
Practice

Detect anomalous Trend Micro Vision One telemetry values using the median absolute deviation method.

Hash TablesMathArraysCGI
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2
Generative AI & LLMs9 questions · ~88 min
Single vs Multi Agent SupportEasy

Compare single-agent and multi-agent designs for customer support, with attention to evaluation, safety, latency, and operational tradeoffs.

CGI
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3
Model Evaluation8 questions · ~78 min
Evaluate Model Bias RigorouslyMedium

Approach for evaluating whether a model is biased, including fairness metrics and statistical tests for group disparities.

PrecisionAccuracyRecallCGI
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4
NLP3 questions · ~29 min
Choose NLP Algorithms by TaskMedium

Explain how to choose practical NLP algorithms across tokenization, TF-IDF, embeddings, and text classification tasks.

Language ModelsTF-IDFTokenizationCGI
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5
System Design7 questions · ~68 min
Design Cold Start RecommendationsHard

Design a recommendation system strategy for new users and new items when interaction history is sparse or missing.

Cold StartFeature StoreRecommendation SystemsCGI
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6
Machine Learning6 questions · ~58 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffCGI
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7
More topics9 questions · ~88 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityCGI
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