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Robinhood Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 17 questions · ~147 min
Merge Overlapping Trade IntervalsEasy
Practice
Recently asked

Merge overlapping time intervals for trade activity using sorting and greedy scanning.

ArraysData WranglingSortingRobinhood
Processes vs Threads DifferencesEasy
Recently asked

Explain how processes and threads differ in memory, isolation, communication, and scheduling trade-offs.

Robinhood
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2
System Design17 questions · ~147 min
High-Throughput Distributed CounterHard
Recently asked

Tests your ability to design scalable, low-latency counting systems under heavy concurrency.

InfrastructureFeature StoreFeature DriftRobinhood
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3
Execution4 questions · ~34 min
Round-Robin Placement BottlenecksMedium
Recently asked

Tests your ability to identify scaling, locality, and operational bottlenecks in system architecture.

Trade-offsExecutionRisk AssessmentRobinhood
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4
Security & Infrastructure4 questions · ~34 min
Access Control With BadgesEasy

Tests basic understanding of physical access control processes.

access controlSecurityRobinhood
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5
Behavioral & Leadership5 questions · ~43 min
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6
More topics3 questions · ~26 min
SQL: Min and Max Per UserEasy
Practice

Use a LEFT JOIN and MIN/MAX aggregation to find each Robinhood user's first and last resource access times.

AggregationsRobinhood
Cron-Based Distributed Task SchedulerHard
Recently asked

Tests your system design skills for durability, scheduling, and reliable periodic execution.

SchedulingOrchestrationDependenciesRobinhood
Reliable E-Signing Notification RecoveryHard
Recently asked

Tests your ability to design for reliability and recovery using logs and database state.

Data QualityReconciliationOrchestrationRobinhood

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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
7-Day Rolling Active UsersMedium
Practice
Practice drill

Compute daily active users and a 7-day rolling average using a CTE, distinct counts, and window functions.

Window FunctionsDate FunctionsRunning TotalsMetaSpotifyMeta IT
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.