Scale Engineer

Engineer

Software EngineerIC2Medium

This interview process is for a Software Engineer role at ServiceNow, specifically at the IC2 level. It is designed to assess a candidate's technical skills, problem-solving abilities, and cultural fit within the company.

Rounds·3

Timeline·~14d

Experience·2 - 5 yrs

Comp band·US$100000 - US$130000

Interview time·150 min

Evaluation

What they measure.

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

Preparation

How to prepare.

Tips

  1. Review fundamental data structures (arrays, linked lists, trees, graphs, hash maps) and algorithms (sorting, searching, dynamic programming, graph traversal).
  2. Practice coding problems on platforms like LeetCode, HackerRank, or similar.
  3. Study system design principles and common architectural patterns.
  4. Prepare for behavioral questions by reflecting on past experiences using the STAR method (Situation, Task, Action, Result).
  5. Research ServiceNow's products, culture, and values.
  6. Understand the specific technologies and programming languages mentioned in the job description.

Study plan

Fig · Study plan — 05 phases

01 / 05
01

Phase 01 of 05

Data Structures and Algorithms

Weeks 1-2: Data Structures & Algorithms Fundamentals. Practice implementations.

Weeks 1-2: Focus on core data structures and algorithms. Practice implementing and analyzing the time/space complexity of common algorithms. Cover topics like arrays, linked lists, stacks, queues, trees, and basic sorting/searching.

Questions

Commonly asked.

  • Given an array of integers, find the contiguous subarray with the largest sum.
  • Design a system to handle real-time notifications for a social media platform.
  • Tell me about a time you disagreed with a team member. How did you resolve it?
  • Explain the concept of RESTful APIs.
  • How would you optimize a slow database query?
  • Describe your experience with version control systems like Git.
  • What are the trade-offs between monolithic and microservices architectures?
  • How do you stay updated with new technologies?

Locations

Regional differences.

Fig · Regions — 02 locations

01 / 02

Location

San Francisco Bay Area

Interview focus

Strong emphasis on data structures and algorithms.Problem-solving and analytical thinking.Understanding of distributed systems concepts.

Common questions

  • How would you design a URL shortener service?
  • Explain the difference between SQL and NoSQL databases.
  • Describe a challenging technical problem you solved and how you approached it.

Tips

  • Be prepared to whiteboard complex algorithms.
  • Familiarize yourself with common system design patterns.
  • Practice explaining your thought process clearly.

Rounds

Round-by-round.

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

Med

Technical Interview (Coding) · 45 min · Software Engineer

This round focuses on assessing your core technical skills through coding challenges. You will be asked to solve one or two problems related to data structures and algorithms. The interviewer will evaluate your ability to understand the problem, devise an efficient solution, write clean code, and explain your thought process.

What they look for

Strong grasp of data structures and algorithmsLogical thinking and problem-solving skillsClean and efficient coding practices

Evaluation

  • Correctness of the solution
  • Efficiency of the solution (time and space complexity)
  • Clarity of code
  • Ability to explain the approach

Sample questions

  • Reverse a linked list.

    Data StructuresLinked ListsAlgorithms

  • Find the kth smallest element in a binary search tree.

    Data StructuresTreesBinary Search TreesAlgorithms

Prep for this round

  1. 01Practice coding on a whiteboard or a shared editor.
  2. 02Think out loud and explain your approach before coding.
  3. 03Consider edge cases and test your solution thoroughly.
  4. 04Be prepared to discuss time and space complexity.

Common rejection reasons

  • ×Inability to articulate thought process
  • ×Poor understanding of fundamental data structures
  • ×Inefficient or incorrect algorithmic solutions

DSA

Coding questions at ServiceNow.

Frequently reported on ServiceNow loops

View all at ServiceNow

Other guides

More at ServiceNow.