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Updated weekly · Last refresh Aug 30

Telus Digital AI Engineer Interview Questions

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

37questions
~6htotal time
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1
CodingStart here. 5 questions · ~49 min
Breadth-First SearchEasy
Practice

Implement BFS to traverse a graph level by level from a given start node.

QueueSearchingGraphsTelus Digital
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsTelus Digital
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2
Machine Learning3 questions · ~30 min
Handling Class Imbalance in ClassificationMedium

Explain practical ways to train and evaluate a classifier when the target classes are highly imbalanced.

model trainingSupervised LearningClass ImbalanceTelus Digital
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3
Pipelines4 questions · ~39 min
CI/CD Pipeline for AI ModelsMedium

Design a CI/CD pipeline for AI model deployment with automation, orchestration, infrastructure, and quality gates.

InfrastructureToolsQualityTelus Digital
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4
Generative AI & LLMs6 questions · ~59 min
Embeddings for Semantic SearchMedium

Tests your approach to embedding design, indexing, and retrieval quality for semantic search.

Vector SearchTelus Digital
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5
Behavioral & Leadership13 questions · ~128 min
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6
More topics6 questions · ~59 min
Choose a Classification ThresholdMedium

Choose a decision threshold for a classifier using precision, recall, calibration, and confusion matrix tradeoffs.

Confusion MatrixPrecisionThreshold TuningTelus Digital
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingTelus Digital
Evaluate NLP Beyond Exact MatchMedium

Tests your evaluation design for NLP quality using metrics aligned to user intent and semantics.

Evaluation TechniquesText ClassificationNLPTelus Digital
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