Scale Engineer

Software Engineer

Software Engineer4HHard

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

What they measure.

  • Technical depth and breadth in software engineering and networking.
  • Problem-solving and analytical skills.
  • System design and architectural thinking.
  • Coding proficiency and best practices.
  • Communication and collaboration skills.
  • Cultural fit and alignment with Arista's values.

Preparation

How to prepare.

Tips

  1. Thoroughly review fundamental computer science concepts (data structures, algorithms, operating systems).
  2. Deep dive into networking protocols (TCP/IP suite, routing protocols like BGP, OSPF).
  3. Practice system design problems, focusing on scalability, reliability, and performance.
  4. Sharpen your coding skills in C++ and/or Python, emphasizing clean code and efficiency.
  5. Understand Arista Networks' products, technologies, and market position.
  6. Prepare to discuss past projects and technical challenges in detail.
  7. Practice behavioral questions using the STAR method (Situation, Task, Action, Result).

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Foundational Computer Science

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.

Questions

Commonly asked.

  • Design a system to monitor network traffic for a large data center.
  • Explain the difference between TCP and UDP and when to use each.
  • How would you debug a performance issue in a high-throughput network device?
  • Describe a challenging technical problem you faced and how you solved it.
  • Write a function to find the k-th largest element in an unsorted array.
  • What are the trade-offs between monolithic and microservices architectures?
  • Discuss your experience with containerization technologies like Docker and Kubernetes.
  • How do you ensure the scalability and reliability of a distributed system?
  • Explain the concept of idempotency in API design.
  • What are the key principles of object-oriented programming?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Santa Clara, CA

Interview focus

Deep understanding of networking protocols (TCP/IP, BGP, OSPF).Experience with distributed systems and cloud technologies.Proficiency in C++ or Python for systems programming.Problem-solving and debugging skills in a network environment.

Common questions

  • Discuss a complex networking problem you solved.
  • How would you design a scalable distributed system for network monitoring?
  • Explain the intricacies of BGP routing.
  • Describe your experience with Python for network automation.

Tips

  • Brush up on advanced networking concepts and protocols.
  • Prepare to discuss large-scale system design challenges.
  • Be ready to demonstrate coding proficiency in C++ or Python.
  • Familiarize yourself with Arista's product portfolio and solutions.

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.