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Medium Interview Questions

The questions to prepare for Medium interviews, across all roles. Questions from real interview reports rank first. Updated weekly.

31questions
~5htotal time
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1
CodingStart here. 9 questions · ~80 min
Top N Word CountingMedium
Practice

Count normalized words in a Medium paragraph and return the top N using a frequency map and bounded heap.

string manipulationMedium
Tic-Tac-Toe Functional DesignEasy

Tests functional design, state management, and careful handling of game edge cases.

abstractionfunctionsoopMedium
Hangman Using Dictionary APIMedium

Tests code architecture, API integration, and modular helper design.

apifunctionsoopMedium
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2
Behavioral & Leadership17 questions · ~151 min
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3
More topics5 questions · ~44 min
High-Concurrency Applause SystemHard

Tests distributed systems design for concurrency, abuse prevention, and real-time consistency.

InfrastructureFeature StoreQualityMedium
Real-Time Post NotificationsHard

Tests event-driven architecture, scalability, and real-time delivery guarantees.

InfrastructureStream ProcessingAPIsMedium
High-Rise Elevator ControlHard

Tests system design thinking, scheduling algorithms, and clear interface boundaries.

Trade-offsRisk AssessmentScope ManagementMedium
Offline-Sync Reading ListHard

Tests data modeling, sync conflict handling, and large-scale service design.

InfrastructureData Modelingoffline syncMedium
Prototype a Utility AppMedium

Evaluates your ability to rapidly translate a problem into a usable UX/UI prototype.

prototypingMedium

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