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Updated weekly · Last refresh Oct 17

Robinhood Software Engineer Interview Questions

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

50questions
~11htotal time
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1
CodingStart here. 16 questions · ~219 min
Service Dependency LoadHard
Practice

Use DFS memoization on a service dependency DAG to compute recursive worst-case loads and return sorted service results.

dfsData StructuresAlgorithmsRobinhood
Price-Timestamp AggregationHard
Practice

Parse sorted price ticks and aggregate them into fixed ten-unit intervals with carry-forward values for gaps.

aggregationArrayscsv parsingRobinhood
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2
System Design16 questions · ~219 min
Prepare a System DiagramHard

Prepare and explain a simple system diagram for an ML project you worked on, including architecture, tradeoffs, and operational concerns.

Feature Driftdesignarchitecture patternsRobinhood
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3
Security & Infrastructure4 questions · ~55 min
Access Control With BadgesMedium
Recently asked

Explain badge authentication, authorization, door control, denial handling, and verification for secure room access.

access controlauthenticationHardwareRobinhood
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4
Execution4 questions · ~55 min
Leadership Time ControlMedium
Recently asked

Assesses prioritization, time management, and focus during system design interviews.

time managementLeadershipRobinhood
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5
Technical Fundamentals3 questions · ~41 min
CSS Layout DifferencesEasy
Recently asked

Tests front-end fundamentals and practical understanding of layout systems.

cssRobinhood
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6
Behavioral & Leadership4 questions · ~55 min
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7
More topics3 questions · ~41 min
SQL: Min and Max Per UserEasy
Practice
Recently asked

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
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Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
Data Quality for Business DashboardsHard
Practice
Practice drill

Create an account-level dashboard quality report that identifies invalid trades and calculates valid executed notional.

data accuracyData WranglingReconciliationRobinhood
Detect Duplicate Transactions in 5 MinutesHard
Practice
Practice drill

Use window functions and conditional aggregation to flag completed transactions that may duplicate one another within five minutes.

Window FunctionsLag/LeadtransactionsRevolutRobinhood
The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.