Top 26
Prep plan
Updated weekly · Last refresh Oct 17

Roblox Machine Learning Engineer Interview Questions

The questions to prepare for a Roblox Machine Learning Engineer interview. Questions from real interview reports rank first. Updated daily.

26questions
~5htotal time
Track your progressSign up free to work through all 26 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 5 questions · ~56 min
Wildcard and Operator Query TokenizerMedium
Practice

Tokenize Roblox search queries into terms, wildcards, operators, parentheses, and quoted phrases in one linear scan.

CodingparsingStringsRoblox
Top K Popular Items in WindowHard
Practice

Maintain rolling interaction counts and return the top k Roblox items after each event.

aggregationfrequency countSliding WindowRoblox
Shortest Path in Player NetworkMedium
Practice

Use breadth-first search to find the shortest connection path between two Roblox players.

shortest pathbfsData StructuresRoblox
More Coding questions with a free account
2
System Design6 questions · ~68 min
Roblox Recommendation System DesignHard

Evaluates system design skills for building large-scale recommendation features on Roblox.

designRoblox
Search Ranking for ExperiencesHard

Tests your ability to design and evaluate ML ranking systems using behavioral signals and context.

ML RankingFeature StoreRetrievalRoblox
Real-Time Content ModerationHard

Tests your ability to design scalable ML systems for safety, including detection and operational concerns.

Stream ProcessingModel ServingRoblox
More System Design questions with a free account
3
Behavioral & Leadership13 questions · ~147 min
More Behavioral & Leadership questions with a free account
4
More topics2 questions · ~23 min
ML Project Architecture ChoicesHard

Explain a machine learning project from your resume, including architecture, model selection, evaluation, and production tradeoffs.

model selectionmodel choiceModel EvaluationRoblox
ML Research-Focused Interview QuestionsMedium

Evaluates how you connect your research work to practical ML interview discussions.

researchRoblox

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 26 questions to finish this plan.