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Updated weekly · Last refresh Oct 17

Arista Networks Software Engineer Interview Questions

The questions to prepare for a Arista Networks Software Engineer interview. Questions from real interview reports rank first. Updated daily.

50questions
~11htotal time
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1
CodingStart here. 15 questions + 1 drill · ~207 min
2
System Design14 questions · ~183 min
High-Load Log SystemHard

Design distributed data structures and ML-assisted analytics for highest-traffic IPs and busiest servers.

high-frequency requestsdistributed systemsdata streamsArista Networks
Improve Website PerformanceHard

Design an ML-assisted system to measure, diagnose, and reduce lag in a production website.

latencyFeature Driftml inferenceArista Networks
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3
Security & Infrastructure14 questions · ~183 min
C++ Memory MappingHard
Recently asked

Explain Linux virtual memory mapping in C++, including mmap, protection flags, shared mappings, and secure operational use cases.

memory managementos internalsc++Arista Networks
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4
Behavioral & Leadership4 questions · ~52 min
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5
More topics3 questions · ~39 min
Break Down Large ProjectsMedium
Recently asked

Assesses planning, decomposition, and execution strategy for complex engineering work.

RoadmappingProject ManagementArista Networks
Virtual Memory AdvantagesMedium
Recently asked

Assesses OS fundamentals understanding and ability to explain practical benefits clearly.

virtual memoryDebuggingArista Networks
Parse CSV Like df With FiltersMedium
Recently asked

Assesses practical data wrangling skills with filtering, sorting, and reproducible output.

csv parsingArista Networks
Hands-on SQL practiceWrite and run real queries in the editor. 2 drills · ~20 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.