Top 19
Prep plan
Updated weekly · Last refresh Aug 30

Alibaba Group Applied Scientist Interview Questions

The questions to prepare for a Alibaba Group Applied Scientist interview. Questions from real interview reports rank first. Updated weekly.

19questions
~3htotal time
Track your progressSign up free to work through all 19 questions and resume where you left off.
Start practicing free →
1
Machine LearningStart here. 3 questions · ~25 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 TradeoffAlibaba Group
Handling Missing Values in MLEasy

Explain practical strategies for handling missing values in a supervised learning workflow, from diagnosis to modeling and validation.

Cross-ValidationFeature EngineeringRegularizationAlibaba Group
More Machine Learning questions with a free account
2
System Design5 questions · ~42 min
Designing a B2B AI Search EngineHard

Tests system design skills for retrieval, ranking, indexing, and end-to-end search quality.

ML RankingRetrievalRecommendation SystemsAlibaba Group
More System Design questions with a free account
3
Coding3 questions · ~25 min
Data Manipulation Coding ChallengeHard

Tests your practical coding skills for data-centric problem solving.

Hash TablesDynamic ProgrammingArraysAlibaba Group
Optimizing an AlgorithmMedium

Tests performance engineering skills and reasoning about time and space trade-offs for Alloy Holdings workloads.

Hash TablesArraysGreedyAlibaba Group
More Coding questions with a free account
4
Behavioral & Leadership5 questions · ~42 min
More Behavioral & Leadership questions with a free account
5
More topics3 questions · ~25 min
Model Performance EvaluationEasy

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

PrecisionAccuracyRecallAlibaba Group
Implementing a Large Language ModelMedium

Tests your applied experience building and troubleshooting large language model systems at scale.

Language ModelsFeature EngineeringDeep LearningAlibaba Group
State of the Art NLP AlgorithmsMedium

Tests your breadth of modern NLP methods and ability to reason about when to use them.

Language ModelsText ClassificationNamed Entity RecognitionAlibaba Group

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
The finish line: interview-readyComplete all 19 questions to finish this plan.