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Prep plan
Updated weekly · Last refresh Aug 30

Airwallex AI Engineer Interview Questions

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

32questions
~5htotal time
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1
CodingStart here. 8 questions · ~81 min
Decision Tree in PythonHard
Practice

Build a deterministic CART-style decision tree using Gini impurity and recursive binary splits.

RecursionArraysDecision TreesAirwallex
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsAirwallex
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2
Machine Learning4 questions · ~41 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 TradeoffAirwallex
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3
Model Evaluation3 questions · ~30 min
Model Performance EvaluationEasy

Tests your ability to select metrics, validation strategy, and interpret results for ML models.

PrecisionAccuracyRecallAirwallex
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4
Generative AI & LLMs5 questions · ~51 min
Improve RAG Answer QualityHard

Design and evaluate a RAG assistant over internal policy and delivery docs with strict latency, cost, and hallucination limits.

Prompt EngineeringRAGLLM EvaluationAirwallex
Evaluate an LLM SystemMedium

Explain how to evaluate a generative model using offline and online methods, with attention to hallucination, product metrics, and experiment design.

HallucinationPrompt EngineeringLLM EvaluationAirwallex
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5
Behavioral & Leadership9 questions · ~91 min
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6
More topics3 questions · ~30 min
Real-Time Dashboard Pipeline DesignHard

Approach for building near-real-time dashboard pipelines with streaming, orchestration, and data quality controls.

Stream ProcessingSchedulingDependenciesAirwallex
Recommend Financial Products From TransactionsHard

Tests end-to-end system design for personalized recommendations using transactional data.

Feature StoreRetrievalRecommendation SystemsAirwallex
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The finish line: interview-readyComplete all 32 questions to finish this plan.