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 weekly.

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Remove Nodes by Value in List

Medium

Tests pointer manipulation, edge-case handling, and safe linked-list mutation in C/C++.

Linked ListsData Structures

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Tree Traversals and DFS vs BFS

Medium

Tests traversal implementation and evaluates algorithmic trade-offs in time and space complexity.

dfsbfstraversal

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BST Search and Path Existence

Medium

Tests ability to implement tree algorithms and reason about traversal-based correctness.

Data Structures

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Linux IPC Choice and Trade-offsMedium

Evaluates system-level reasoning about IPC mechanisms and performance trade-offs relevant to networking software.

Communicationipclinux

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Struct Padding and sizeof

Medium

Assesses understanding of low-level memory layout and its impact on correctness and interoperability.

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Race Conditions and Deadlock Fix

Hard

Assesses concurrent programming skills, including synchronization, deadlock avoidance, and safe refactoring.

deadlockconcurrency

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Generic C++ Stack Without STLMedium

Assesses data structure implementation skills and manual memory management in C++.

StackData Structuresc++

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Rate Limiting at Kernel Layer

Hard

Evaluates low-level system design for controlling traffic and protecting Arista Networks data-plane performance.

system designNetworkingrate limiting

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