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Updated weekly · Last refresh Oct 17

Grubhub Software Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 19 questions · ~185 min
Compute Courier Acceptance RateEasy
Practice

Aggregate courier reactions with a hash map to calculate each courier's accepted-order rate in one pass.

aggregationArraysData AnalysisGrubhub
Check Balanced ParenthesesEasy
Practice

Use a stack to determine whether every opening parenthesis has a correctly ordered closing parenthesis.

coding challengestring manipulationData StructuresGrubhub
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2
Execution6 questions · ~58 min
Add Features on AndroidMedium

Evaluates practical Android development workflow and UI integration skills.

androidGrubhub
Distributed Systems PreparationMedium

Evaluates your approach to building distributed systems fundamentals.

distributed systemsAlgorithmsGrubhub
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3
System Design18 questions · ~175 min
UML Diagram for ProblemMedium

Assesses your ability to model software design clearly using UML.

designGrubhub
Organize a Page in ReactMedium

Assesses your React component design and UI state management approach.

reactGrubhub
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4
Behavioral & Leadership5 questions · ~49 min
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5
More topics2 questions · ~19 min
On-Prem to Cloud Migration PlanHard

Evaluates end-to-end cloud migration planning across reliability, security, and cost.

data migrationClouddisaster recoveryGrubhub
Aggregate Menu Items PricingMedium

Evaluates your SQL and data manipulation approach for pricing and aggregation logic.

pricingGrubhub
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 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
Handling Missing DataEasy
Practice
Practice drill

Replace missing sales fields with defined defaults and return a consistently ordered dataset.

missing valuesdata cleaningnull handlingUniversity of MinnesotaThe Home DepotNationwide
Optimize a Slow SQL QueryHard
Practice
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.