Arista Networks is seeking a highly skilled and motivated Software Engineer (Level 4H) to join our dynamic team. This role involves designing, developing, and maintaining cutting-edge networking solutions. The interview process is rigorous and designed to assess technical expertise, problem-solving abilities, and cultural fit.
Rounds·4
Timeline·~14d
Experience·5 - 8 yrs
Comp band·US$140000 - US$180000
Interview time·210 min
Evaluation
Preparation
Tips
Study plan
Fig · Study plan — 05 phases
01 / 05Phase 01 of 05
Weeks 1-2: Data Structures, Algorithms, Operating Systems fundamentals. Practice coding.
Weeks 1-2: Focus on core data structures (arrays, linked lists, trees, graphs, hash tables) and algorithms (sorting, searching, dynamic programming, graph traversal). Practice implementing these in C++ or Python. Review operating system concepts like processes, threads, memory management, and concurrency.
Phase 02 of 05
Weeks 3-4: Networking Protocols (TCP/IP, BGP, OSPF), Network Security.
Weeks 3-4: Deep dive into the TCP/IP protocol suite, including IP addressing, subnetting, TCP, UDP, HTTP, DNS. Study routing protocols like BGP and OSPF, understanding their mechanisms and use cases. Explore network security concepts.
Phase 03 of 05
Weeks 5-6: System Design, Distributed Systems, Scalability, Reliability.
Weeks 5-6: Practice system design problems. Focus on designing scalable, reliable, and maintainable systems. Consider aspects like load balancing, caching, database design, and distributed systems. Think about how these apply to networking solutions.
Phase 04 of 05
Weeks 7-8: Advanced Coding Practice (C++, Python), Arista Technologies.
Weeks 7-8: Refine your coding skills in C++ and Python. Work on coding challenges that mimic real-world problems. Prepare to explain your thought process and trade-offs. Review Arista's technology stack and recent innovations.
Phase 05 of 05
Week 9: Behavioral Questions, STAR Method, Company Culture.
Week 9: Focus on behavioral questions. Prepare specific examples from your past experience that demonstrate leadership, teamwork, problem-solving, and adaptability. Research Arista's company culture and values.
Questions
Locations
Fig · Regions — 02 locations
01 / 02Location
Interview focus
Common questions
Tips
Location
Interview focus
Common questions
Tips
Rounds
Expand a step for evaluation criteria, sample questions, and prep notes.
Data Structures And Algorithms Interview · 60 min · Software Engineer / Senior Software Engineer
This round focuses on your core computer science knowledge. You will be asked questions related to data structures, algorithms, and problem-solving. Expect to write code on a whiteboard or shared editor and explain your approach, time/space complexity, and potential optimizations. The interviewer will assess your ability to think critically and arrive at an efficient solution.
What they look for
Evaluation
Sample questions
Given a binary tree, find its inorder traversal.
Implement a function to reverse a linked list.
Find the shortest path in a weighted graph.
Given an array of integers, find two numbers that add up to a specific target.
Prep for this round
Common rejection reasons
System Design & Architecture · 60 min · Senior Software Engineer / Architect
This round evaluates your ability to design and architect software systems, particularly in the context of networking. You'll be presented with a high-level problem and asked to design a solution, considering aspects like scalability, reliability, performance, and maintainability. Expect to discuss various components, data flows, APIs, and potential bottlenecks.
What they look for
Evaluation
Sample questions
Design a distributed key-value store.
Design a rate limiter for an API.
How would you design a system to detect and mitigate DDoS attacks?
Design a real-time analytics pipeline for network traffic.
Prep for this round
Common rejection reasons
Technical Interview · 45 min · Senior Software Engineer / Engineering Manager
This round delves deeper into your technical background and experience. The interviewer will ask about your past projects, technical challenges you've faced, and how you've applied your skills. Expect questions related to specific technologies, programming languages, and networking concepts relevant to Arista's work.
What they look for
Evaluation
Sample questions
Describe a complex networking feature you designed and implemented.
What are the challenges of developing software for high-performance network hardware?
Discuss your experience with network automation using Python.
Explain the working of the BGP protocol in detail.
Prep for this round
Common rejection reasons
Managerial / Behavioral Interview · 45 min · Hiring Manager / Director of Engineering
This round is with the hiring manager to assess your overall fit for the team and the company. They will discuss your career goals, motivations, and how you approach teamwork and problem-solving. This is also an opportunity for you to ask questions about the team, projects, and company culture.
What they look for
Evaluation
Sample questions
Why are you interested in Arista Networks?
Describe a time you had to work with a difficult team member.
What are your strengths and weaknesses?
Where do you see yourself in 5 years?
Prep for this round
Common rejection reasons
DSA
Frequently reported on Arista Networks loops
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