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Prep plan
Updated weekly · Last refresh Oct 17

Meta Site Reliability Engineer Interview Questions

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

42questions
~9htotal time
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1
CodingStart here. 12 questions · ~150 min
Dinosaur CSV Data IntegrationMedium
Practice

Join two dinosaur datasets and use stride, leg length, and stance to identify dinosaurs capable of running.

ArraysAlgorithmscsv parsingMeta
Shared Word Finder Across FilesMedium
Practice

Use per-file word sets and an inverted index to find words shared across multiple files.

deduplicationaggregationAlgorithmsMeta
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2
System Design9 questions · ~113 min
What Additional Metrics If System Frequently FailsMedium

Identify the additional system evidence needed to diagnose recurring outages beyond standard resource metrics.

distributed systemsanomaly detectionfailure modesMeta
Meta Scale File Distribution SystemHard

Design a low-cost, validated system to copy a nightly 2GB file from one node to N nodes using only SSH.

distributed systemscost constraintsdata transmissionMeta
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3
Execution6 questions · ~75 min
Debugging a Failing ChangeMedium

Diagnose why adding a hat breaks an existing cat-to-dog image conversion program in version 101 and plan a safe fix.

configuration managementautomated testingversion controlMeta
Handling High-Traffic ProblemsHard

Diagnose a production issue under heavy traffic and choose a reliable, cost-effective scaling approach.

alertingProblem Solvingfault toleranceMeta
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4
Technical Fundamentals4 questions · ~50 min
Stack vs Heap MemoryMedium

Assesses understanding of memory allocation models and lifetimes.

stack vs heapOperating SystemsMeta
Browser Networking and OS StackMedium

Tests understanding of the end-to-end network stack from user action to request/response.

NetworkingOperating Systemsweb technologiesMeta
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5
Behavioral & Leadership11 questions · ~138 min
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