LinkedIn Backend Engineer Interview Questions

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

19questions

~3htotal time

Track your progressSign up free to work through all 19 questions and resume where you left off.

CodingStart here. 5 questions · ~40 min

Assesses your approach to reproducing, diagnosing, and fixing concurrency bugs.

Isolate Bottleneck Under ConcurrencyMedium

Tests your ability to identify and validate bottlenecks using profiling and measurement.

performance optimizationDebuggingconcurrency

Object-Oriented Design CodingMedium

Tests your ability to apply OOD principles and adapt during iterative coding discussions.

Coding

Maintain Legacy Module SafelyMedium

Assesses your practices for managing technical debt and keeping legacy code extensible.

code maintainabilitylegacy systems

More Coding questions with a free account

Behavioral & Leadership11 questions · ~88 min

Resolving Conflict With a PeerMedium

Tests conflict resolution with a peer, including communication, influence without authority, and ownership of a shared outcome.

Conflict ResolutionStakeholder ManagementCommunication

More Behavioral & Leadership questions with a free account

More topics3 questions · ~24 min

Evaluates your incident debugging workflow and how you use signals to restore performance.

Peak-Traffic Latency BottleneckMedium

Evaluates your reasoning about system behavior and where latency is introduced.

latencyservice architectureperformance optimization

Caching Trade-offs in ConcurrencyMedium

Assesses your understanding of cache correctness, performance, and operational risks at scale.

Trade-offscaching

Create a free account to unlock this list and practice real interview questions.

The finish line: interview-readyComplete all 19 questions to finish this plan.