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Roblox Software Engineer Interview Questions

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

50questions
~10htotal time
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1
CodingStart here. 15 questions · ~181 min
Coding in Your Preferred LanguageEasy
Practice

Check whether every coding question used one of the candidate's chosen programming languages.

CodingArraysData StructuresRoblox
Find Zeros in 2x2 GridEasy
Practice

Scan a fixed 2x2 array and return the row-column coordinates of every zero.

Basic AlgorithmsArraysArray ManipulationRoblox
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2
System Design14 questions · ~169 min
Scalable Leaderboards for Concurrent PlayersHard

Design a highly available Zynga leaderboard service for millions of concurrent players.

high-frequency requestsdistributed systemsscalabilityRoblox
Distributed Rate LimitingHard

Design a distributed rate limiter that stays accurate under bursty traffic across many servers.

latencydistributed systemsrate limitingRoblox
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3
Execution14 questions · ~169 min
Career Goals and FitEasy

Answer a Round 1 question about career goals clearly and professionally.

Success CriteriaRoadmappingClarityRoblox
Factory Optimization and ProfitMedium

Assesses your problem-solving approach to optimization under constraints in game-like systems.

business strategyprofitabilityoptimizationRoblox
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4
Behavioral & Leadership4 questions · ~48 min
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5
More topics3 questions · ~36 min
CLOS Fabric and DDoSHard

Assesses networking and security fundamentals relevant to large-scale infrastructure.

NetworkingRoblox
CSV Ratings Threshold QueryMedium

Evaluates SQL/data manipulation skills for threshold computation from rating data.

Roblox
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL, Modeling, and Streaming DesignMedium
Practice
Practice drill

Design a relational streaming-event model and return each actor's latest processed event using a CTE and window function.

data managementsqldatabase designRoblox
Use Window FunctionsMedium
Practice
Recently asked
Practice drill

Demonstrate window functions by ranking active employees by salary within each department.

Window FunctionsData ManipulationRankingJohnson & JohnsonCRIFRegions
Running Total With Window FunctionsEasy
Practice
Recently asked
Practice drill

Calculate each user's running order total over time using a window function.

Window FunctionsDate FunctionsRunning TotalsBayerSparksoftWestern Digital
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.