Scale Engineer

Software Engineer

Software Engineer4LMedium to Hard

This interview process is for a Software Engineer position at Arista Networks, specifically for the 4L level. It is designed to assess a candidate's technical skills, problem-solving abilities, and cultural fit within the company.

Rounds·4

Timeline·~14d

Experience·4 - 7 yrs

Comp band·US$120000 - US$150000

Interview time·180 min

Evaluation

What they measure.

  • Problem-solving skills
  • Algorithmic thinking
  • Data structure knowledge
  • Code quality and efficiency
  • System design capabilities
  • Communication clarity
  • Teamwork and collaboration
  • Cultural fit

Preparation

How to prepare.

Tips

  1. Review fundamental computer science concepts: data structures, algorithms, operating systems, and networking.
  2. Practice coding problems on platforms like LeetCode, HackerRank, focusing on medium to hard difficulty.
  3. Understand system design principles and be able to discuss trade-offs.
  4. Prepare for behavioral questions using the STAR method (Situation, Task, Action, Result).
  5. Research Arista Networks, its products, and its company culture.
  6. Prepare questions to ask the interviewer about the role, team, and company.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms fundamentals.

Weeks 1-2: Focus on core data structures (Arrays, Linked Lists, Trees, Graphs, Hash Tables) and algorithms (Sorting, Searching, Dynamic Programming, Greedy Algorithms). Practice implementing these in your preferred language (C++, Java, Python).

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a system to store and retrieve user profiles for a social media platform.
  • Explain the difference between TCP and UDP.
  • Describe a time you had to debug a complex issue in a production environment.
  • How would you design a rate limiter for an API?
  • What are the trade-offs between monolithic and microservices architectures?
  • Tell me about a project you are particularly proud of.
  • How do you handle code reviews?
  • What is your experience with concurrency and multithreading?
  • If you were to join Arista, what would be your first priorities?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Remote

Interview focus

Adaptability to different work environments.Communication skills in a diverse team.Understanding of local market trends and technologies.

Common questions

  • Discuss a challenging project you worked on and how you overcame obstacles.
  • How do you handle tight deadlines and pressure?
  • Describe a time you disagreed with a team member and how you resolved it.

Tips

  • Research common tech stacks used in this region.
  • Be prepared to discuss your experience with remote collaboration tools.
  • Highlight any experience working with international teams.

Rounds

Round-by-round.

Expand a step for evaluation criteria, sample questions, and prep notes.

DSA

Coding questions at Arista Networks.

Frequently reported on Arista Networks loops

View all at Arista Networks

Other guides

More at Arista Networks.