Top 29
Prep plan
Updated weekly · Last refresh Aug 30

Qantas AI Engineer Interview Questions

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

29questions
~4htotal time
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1
System DesignStart here. 5 questions · ~41 min
2
Machine Learning4 questions · ~33 min
Feature Selection in Supervised LearningMedium

Explain a practical approach to feature selection, including filtering, embedded methods, and validation against overfitting.

Feature EngineeringDeep LearningSupervised LearningQantas
Supervised vs Unsupervised LearningEasy

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

Unsupervised LearningFeature EngineeringBias-Variance TradeoffQantas
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3
Model Evaluation3 questions · ~24 min
Choosing Model Evaluation TechniquesEasy

Explain how you evaluate models using the right metrics, validation strategy, and error analysis for the problem.

PrecisionAccuracyRecallQantas
Measure AI Success in Customer InteractionsMedium

How to judge whether AI-driven customer interaction solutions are working using model and business metrics.

PrecisionAccuracyRecallQantas
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4
Generative AI & LLMs5 questions · ~41 min
Design LLM Systems for Business UseMedium

Discuss how you designed an LLM system for a business use case, including evaluation, hallucination control, and cost latency tradeoffs.

Structured ExtractionPrompt EngineeringLLM EvaluationQantas
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5
Behavioral & Leadership9 questions · ~73 min
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6
More topics3 questions · ~24 min
Optimizing Code PerformanceMedium

Tests your ability to profile, identify bottlenecks, and apply performance improvements safely.

Hash TablesArraysSortingQantas
Data Pipeline Architecture FactorsMedium

Tests your ability to design data pipelines that support reliability, latency, and ML readiness.

ETLBatch ProcessingOrchestrationQantas
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The finish line: interview-readyComplete all 29 questions to finish this plan.