Top 40
Prep plan
Updated weekly · Last refresh Aug 30

Microsoft Backend Engineer Interview Questions

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

40questions
~6htotal time
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1
System DesignStart here. 12 questions · ~100 min
Consistency vs AvailabilityMedium

Assesses understanding of distributed systems trade-offs and design decision making.

distributed systemsconsistencyavailabilityMicrosoft
High-Concurrency Real-Time ServiceHard

Evaluates system design skills for low-latency, high-throughput real-time workloads.

system designMicrosoft
Backend Project LeadershipMedium

Evaluates leadership and system design judgment through real backend trade-offs.

Microsoft
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2
Coding11 questions · ~92 min
AI-Assisted Coding Tools ProficiencyMedium

Evaluates how you use AI coding tools while still producing correct, maintainable backend code.

Microsoft
Optimize for Memory and LatencyHard

Evaluates performance engineering skills under strict memory and latency requirements.

latencyMicrosoft
Medium LeetCode AlgorithmMedium

Evaluates algorithmic problem-solving and implementation skills on typical interview tasks.

leetcodeProblem SolvingMicrosoft
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3
Behavioral & Leadership16 questions · ~134 min
Pivoting Under Changing RequirementsMedium

Tests adaptability under changing requirements, with emphasis on prioritization, ambiguity management, and ownership during a technical pivot.

technical approachadaptabilityrequirements changeMicrosoft
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4
More topics1 question · ~8 min
Ads Ecosystem ExecutionMedium

Assesses understanding of end-to-end ad tech flows and how backend systems support them.

explanationMicrosoft

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