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Updated weekly · Last refresh Oct 17

Microsoft Site Reliability Engineer Interview Questions

The questions to prepare for a Microsoft Site Reliability Engineer interview. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 9 questions · ~109 min
Max Latency per TimestampMedium
Practice

Aggregate repeated log timestamps with maximum latency values, then sort the results by timestamp.

aggregationArrayscsv parsingMicrosoft
Dutch National Flag Style SortMedium
Practice

Sort an array containing only 0, 1, and 2 in one pass using the Dutch national flag algorithm.

ArraysArray ManipulationAlgorithmsMicrosoft
Find Element in Sorted StringMedium
Practice

Return the index of target character in a sorted character sequence using linear scan or binary search.

binary searchArraysAlgorithmsMicrosoft
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2
Execution12 questions · ~145 min
Design a Highly Available URL ShortenerHard

Plan delivery of a highly available URL shortening service, covering architecture, rollout, failure recovery, and operational readiness.

high availabilitycloud scalingfault toleranceMicrosoft
Global Notification System DesignHard

Plan delivery of a reliable, scalable notification system for a global platform.

system designalertingfault toleranceMicrosoft
Automate Service DeploymentsHard

Design an automated deployment process that reduces downtime, validates service health, and supports rapid rollback.

CI/CDcanary releasesAutomationMicrosoft
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3
Behavioral & Leadership11 questions · ~133 min
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4
More topics2 questions · ~24 min
Consistency Models in Distributed DatabasesHard

Compare strong, eventual, causal, and session consistency, including latency, availability, correctness, and failure behavior.

tradeoffsdistributed systemsconsistencyMicrosoft
Consistency vs Availability Trade-offsHard

Explain how consistency and availability trade off in a distributed ML serving system.

latencydistributed systemsconsistencyMicrosoft

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