Top 50
Prep plan
Updated weekly · Last refresh Aug 30

LinkedIn Software Engineer Interview Questions

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

50questions
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1
CodingStart here. 12 questions · ~125 min
Merge Two Sorted Linked ListsEasy
Practice
Recently asked

Merge two sorted singly linked lists into one sorted list by relinking existing nodes.

RecursionLinked ListsSortingLinkedIn
Compute Nth Fibonacci NumberEasy
Practice
Recently asked

Compute the nth Fibonacci number using an iterative dynamic programming approach with O(n) time and O(1) space.

RecursionMathDynamic ProgrammingLinkedIn
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2
Execution12 questions · ~125 min
Quality Under Tight DeadlineMedium
Recently asked

Explain how you protect quality on a fixed-deadline engineering project by managing scope, risks, and release criteria.

Launch PlanningTrade-offsScope ManagementLinkedIn
Mentoring a Teammate Through DeliveryEasy
Recently asked

Describe how you mentored a colleague or strengthened team capability while still delivering on an important engineering project.

Risk AssessmentScope ManagementLinkedIn
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3
Pipelines3 questions · ~31 min
Real-Time Notification System DesignHard
Recently asked

Tests your ability to design event-driven systems with latency, ordering, and delivery guarantees.

InfrastructureStream ProcessingOrchestrationLinkedIn
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4
Security & Infrastructure8 questions · ~83 min
Router and Switch FundamentalsMedium

Evaluates foundational networking knowledge for routing and switching behavior.

NetworkingLinkedIn
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5
System Design11 questions · ~115 min
Distributed Inverted Search IndexHard

Evaluates system design for scalable indexing and search retrieval.

distributed systemsLinkedIn
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6
Behavioral & Leadership3 questions · ~31 min
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7
More topics1 question · ~10 min
Database Query OptimizationMedium
Recently asked

Tests your ability to improve query performance using indexing, plans, and schema choices.

SubqueriesJoinsAggregationsLinkedIn
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.