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Updated weekly · Last refresh Sep 10

GitHub Software Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 19 questions · ~173 min
Write a NodeJS AddonHard
Practice

Match repository paths against CODEOWNERS-style globs using segment dynamic programming and deterministic precedence rules.

GitHub
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked ListsGitHub
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2
Execution9 questions · ~82 min
Design a Scalable ApplicationEasy

Explain how you would design a scalable application, including trade-offs, risks, stakeholder needs, and how you define success.

Trade-offsRisk AssessmentScope ManagementGitHub
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3
System Design9 questions · ~82 min
Domain-Driven Design OverviewMedium

Evaluates your understanding of DDD concepts and when to apply them in software design.

architectureGitHub
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4
Behavioral & Leadership5 questions · ~46 min
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5
More topics8 questions · ~73 min
Design Real-Time Feature PipelineHard

Design a real-time feature pipeline processing 120K events/sec into low-latency feature tables and warehouse models with replay and quality controls.

InfrastructureStream ProcessingOrchestrationGitHub
API Endpoints, JSON, and CachingMedium

Assesses your ability to implement and optimize API behavior with correct data handling and caching.

apicachingGitHub
Production-Ready Security MeasuresHard

Evaluates your security mindset and practical knowledge of OWASP-aligned protections.

GitHub
Python vs Java DifferencesEasy

Assesses your understanding of language tradeoffs and engineering fundamentals.

comparisonprogramming languagesGitHub
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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
Detect Consecutive Losing StreaksMedium
Practice
Practice drill

Identify bet365 users with consecutive losing bets above a risk threshold using ordered streak grouping.

abuse trackingData Manipulationsql querybet365
Filter Active Users for CSVEasy
Practice
Practice drill

Use an INNER JOIN and email pattern filtering to export active Moveworks users with .test addresses.

apiMoveworks.Ai
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.