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Roblox Interview Questions

The questions to prepare for Roblox interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

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1
CodingStart here. 4 questions · ~39 min
LRU Cache for Fast RetrievalMedium
Practice

Implement an LRU cache using a hash map and doubly linked list to support O(1) get and put operations.

Hash TablesSearchingSortingRoblox
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2
SQL & Data Manipulation4 questions + 1 drill · ~49 min
Daily IP Takedown Resolution RateEasy
Practice

Calculate daily Roblox IP takedown resolution rates using a LEFT JOIN, conditional aggregation, and date filtering.

sql queryData AnalysisRoblox
Analyze Decision Impact by RegionEasy
Practice
Practice drill

Use joins, CASE WHEN, and date filtering to compare outcome rates before and after a decision.

Data WranglingDiagnosisAggregationsHarbourVest Partners
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3
Execution4 questions · ~39 min
Balance Debt and Feature DeliveryMedium
Recently asked

Explain how you prioritize technical debt versus feature work while aligning stakeholders and protecting delivery speed.

Trade-offsScope ManagementPrioritizationRoblox
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4
Metrics4 questions · ~39 min
Define Success for a ProjectEasy
Recently asked

Define what success means for a project using clear KPIs, a north star, and supporting metrics.

KPIsSuccess CriteriaDiagnosisRoblox
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5
Product Sense4 questions · ~39 min
Designing for Accessibility at ScaleMedium

Approach for building accessibility into product design through user needs, research, use cases, and measurable outcomes.

User NeedsPain PointsUse CasesRoblox
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6
A/B Testing & Experimentation3 questions · ~30 min
Common Pitfalls in Experiment ResultsHard
Recently asked

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchRoblox
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7
More topics27 questions · ~266 min
Design an LLM Serving PlatformHard

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

Cold StartFeature StoreModel ServingRoblox
Explain ETL in Data EngineeringEasy
Recently asked

Explain the ETL process, why it matters, and how it fits into a practical data pipeline.

ETLOrchestrationQualityRoblox
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.