Scale Engineer

Software Engineer

Software Engineer5LMedium to Hard

Arista Networks is seeking a talented and motivated Software Engineer (Level 5L) to join our dynamic team. This role involves designing, developing, and maintaining high-performance networking solutions. The ideal candidate will have a strong foundation in computer science principles, excellent problem-solving skills, and a passion for innovation.

Rounds·3

Timeline·~14d

Experience·5 - 8 yrs

Comp band·US$140000 - US$180000

Interview time·150 min

Evaluation

What they measure.

  • Technical proficiency in relevant programming languages (e.g., C++, Python, Go).
  • Understanding of data structures, algorithms, and complexity analysis.
  • System design and architectural thinking.
  • Problem-solving and analytical skills.
  • Communication and collaboration abilities.
  • Cultural fit and alignment with Arista's values.

Preparation

How to prepare.

Tips

  1. Review fundamental computer science concepts: data structures, algorithms, operating systems, networking.
  2. Practice coding problems on platforms like LeetCode, HackerRank, focusing on medium to hard difficulty.
  3. Study system design principles and common architectural patterns.
  4. Prepare to discuss your past projects in detail, highlighting your contributions and challenges.
  5. Research Arista Networks, its products, and its position in the industry.
  6. Understand common behavioral interview questions and prepare STAR method responses.
  7. Brush up on your chosen programming language(s) and their nuances.

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Data Structures and Algorithms Fundamentals

Weeks 1-2: Data Structures & Algorithms (Easy/Medium). Practice 20-30 LeetCode problems.

Weeks 1-2: Focus on core data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal). Practice implementing these from scratch and analyze their time and space complexity. Solve at least 20-30 problems on LeetCode (Easy/Medium).

Questions

Commonly asked.

  • Design a distributed caching system.
  • Implement a function to find the k-th largest element in an unsorted array.
  • Explain the difference between TCP and UDP.
  • How would you design a rate limiter?
  • Describe a time you had a conflict with a team member and how you resolved it.
  • What are the challenges in building a highly available system?
  • Write a function to reverse a linked list.
  • Discuss the trade-offs between monolithic and microservices architectures.
  • How do you handle large datasets in memory?
  • Tell me about a time you failed and what you learned from it.

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

Santa Clara, CA

Interview focus

Deep understanding of distributed systems and networking protocols.Experience with large-scale system design and architecture.Proficiency in cloud technologies and containerization.Ability to analyze and optimize system performance under load.

Common questions

  • Discuss a challenging project you worked on related to distributed systems.
  • How would you design a system to handle network traffic spikes?
  • Explain the trade-offs between different caching strategies.
  • Describe your experience with cloud-native architectures (e.g., Kubernetes, Docker).
  • What are the key considerations for building scalable and resilient microservices?

Tips

  • Thoroughly review distributed systems concepts and common design patterns.
  • Prepare to discuss specific examples of scaling challenges you've faced and how you addressed them.
  • Familiarize yourself with Arista's product portfolio and the networking industry.
  • Be ready to whiteboard complex system designs.

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.