Grade 4

Software EngineerSoftware Engineer 1Medium

This interview process is for a Software Engineer 1 (Grade 4) position at Cisco. It is designed to assess a candidate's foundational software engineering skills, problem-solving abilities, and cultural fit within the company.

Rounds·2

Timeline·~14d

Experience·0 - 2 yrs

Comp band·US$75000 - US$95000

Interview time·75 min

Evaluation

What they measure.

  • Problem-solving approach
  • Algorithmic thinking
  • Data structure knowledge
  • Coding proficiency
  • Communication skills
  • Teamwork and collaboration
  • Cultural fit

Preparation

How to prepare.

Tips

  1. Review fundamental computer science concepts, including data structures and algorithms.
  2. Practice coding problems regularly, focusing on explaining your thought process.
  3. Understand Cisco's products, services, and company culture.
  4. Prepare to discuss your resume, projects, and any internship experiences in detail.
  5. Research common behavioral interview questions and prepare STAR method responses.
  6. Be ready to ask thoughtful questions about the role, team, and company.

Study plan

Fig · Study plan — 04 phases

01 / 04
01

Phase 01 of 04

Data Structures

Weeks 1-2: Data Structures (Arrays, Lists, Trees, Graphs, Hash Tables). Practice implementations and complexity analysis.

Weeks 1-2: Focus on core data structures (arrays, linked lists, stacks, queues, trees, graphs, hash tables) and their common operations and complexities. Practice implementing them and solving problems involving them.

Questions

Commonly asked.

  • What is your favorite data structure and why?
  • Describe a time you faced a technical challenge and how you overcame it.
  • How would you design a URL shortening service?
  • Explain the difference between TCP and UDP.
  • Tell me about a project you are particularly proud of.
  • How do you handle disagreements within a team?
  • What are your strengths and weaknesses as a software engineer?
  • Write a function to reverse a linked list.
  • What is object-oriented programming?
  • How do you stay updated with new technologies?

Locations

Regional differences.

Fig · Regions — 03 locations

01 / 03

Location

North America

Interview focus

Understanding of core computer science principles.Ability to articulate technical concepts clearly.Enthusiasm for learning and growth.

Common questions

  • Tell me about a challenging project you worked on during your internship.
  • How do you approach debugging a complex issue?
  • Describe a time you had to learn a new technology quickly.

Tips

  • Be prepared to discuss your academic projects and any internship experience in detail.
  • Showcase your eagerness to learn and contribute to the team.
  • Research Cisco's values and how they align with your own.

Rounds

Round-by-round.

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

Med

Technical Interview (Coding) · 45 min · Software Engineer / Senior Software Engineer

This round focuses on assessing your core technical skills. You will be presented with one or two coding problems that require you to apply your knowledge of data structures and algorithms. The interviewer will evaluate your ability to understand the problem, devise a solution, implement it in code, and analyze its efficiency. You will be expected to communicate your thought process clearly throughout the interview.

What they look for

Clear and logical approach to problem-solving.Ability to write clean, efficient, and correct code.Understanding of time and space complexity.Effective communication of their solution.

Evaluation

  • Problem-solving skills
  • Algorithmic thinking
  • Data structure knowledge
  • Coding ability

Sample questions

  • Given an array of integers, find the contiguous subarray with the largest sum.

    ArrayDynamic Programming
  • Implement a function to check if a binary tree is a valid Binary Search Tree.

    TreeRecursionBinary Search Tree
  • Find the kth smallest element in a sorted matrix.

    MatrixHeapBinary Search

Prep for this round

  1. 01Practice coding problems on platforms like LeetCode, HackerRank, or Coderbyte.
  2. 02Focus on understanding the underlying data structures and algorithms.
  3. 03Be prepared to explain your solution's time and space complexity.
  4. 04Practice explaining your code and thought process out loud.

Common rejection reasons

  • ×Inability to articulate thought process.
  • ×Incorrect or inefficient solutions.
  • ×Lack of understanding of fundamental concepts.

DSA

Coding questions at Cisco.

Frequently reported on Cisco loops

Other guides

More at Cisco.