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ServiceNow Senior Software Engineer Interview Questions and Answers for Experienced
ServiceNow Senior Software Engineer Interview Experiences for Experienced
4 interviews found
I appeared for an interview in Feb 2025, where I was asked the following questions.
- Q1. Group Anagrams DSA
- Q2. Add two large numbers DSA
- Ans.
Add two large numbers represented as strings or arrays of digits.
Use strings to represent large numbers, e.g., '12345678901234567890'.
Iterate from the least significant digit to the most significant.
Maintain a carry for sums greater than 9.
Example: Adding '123' and '456' results in '579'.
Handle different lengths by padding the shorter number with zeros.
Selected
I appeared for an interview in Aug 2023.
(1 Question)
- Q1. Presented me with an existing code containing the unit tests and actual code in python and asked me to debug and fix all the issues in code so that all unit test cases will pass
(1 Question)
- Q1. Its an architecuture/desing round, interviewed asked me about the architecture of one of service i have created in my previous company then he cross questioned on the architecture. Then he asked me if I w...
(1 Question)
- Q1. Its managerial round, the manager asked about my mentor skills like tell me cases where you have confilct with your mentees or lead or manager.
(2 Questions)
- Q1. Questions regarding DSA and java
- Q2. Find if Linked list is circular
- Ans.
Check if a linked list is circular by using two pointers moving at different speeds.
Initialize two pointers, slow and fast, both pointing to the head of the linked list.
Move slow pointer by one node and fast pointer by two nodes in each iteration.
If the fast pointer reaches the end of the list or meets the slow pointer, the list is circular.
(1 Question)
- Q1. One more round on DSA on stack queues and trees
Skills evaluated in this interview
I applied via Referral and was interviewed in Jul 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Sliding window problem in an Array(using 2 pointers) like Pythagorean triplets.
- Q2. Overlapping circular linked list problem.
- Ans.
Detect if two circular linked lists overlap
Traverse both lists and check if they have the same tail node
If they have different tail nodes, they do not overlap
If they have the same tail node, check if they intersect at any point
Use Floyd's cycle-finding algorithm to detect intersection point
Interview Preparation Tips
During preparations, its important to understand basics of different dataStructures and how to efficiently use it in your programs . For practicing interview problems, I referred leetcode and geeksforgeeks . Solving different kind of problems from these websites really helped me. Dynamic Programming is also an important area from where lot of problems are asked in interview.
Skills evaluated in this interview
ServiceNow interview questions for designations
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Senior Software Engineer Interview Questions & Answers
Automatic Data Processing (ADP)
Anonymous
posted on 31 Mar 2022
I applied via Naukri.com and was interviewed before Mar 2021. There were 2 interview rounds.
(1 Question)
- Q1. Basic c# questions , few logical and angular questions.
(1 Question)
- Q1. DB questions, design patterns, few architectural questions.
Interview Preparation Tips
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Data Structure related questions
(1 Question)
- Q1. Java related interview questions
Interview Preparation Tips
I applied via Approached by Company and was interviewed before Jun 2021. There were 2 interview rounds.
(1 Question)
- Q1. Advantage and disadvantage of framework.
- Ans.
Frameworks provide structure and pre-built components for software development, but can also limit flexibility and require learning curve.
Advantage: Provides structure and pre-built components for faster development
Advantage: Can improve code quality and maintainability
Disadvantage: Can limit flexibility and customization
Disadvantage: Requires learning curve and potential dependency issues
Example: ReactJS provides a fr...
(1 Question)
- Q1. What is Oops? Advantage and disadvantage
- Ans.
Oops stands for Object-Oriented Programming. It is a programming paradigm that uses objects to represent real-world entities.
Advantages: code reusability, modularity, encapsulation, inheritance, polymorphism
Disadvantages: complexity, steep learning curve, performance overhead
Example: creating a class 'Car' with properties like 'make', 'model', and 'year', and methods like 'start_engine' and 'stop_engine'
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before Dec 2022. There were 3 interview rounds.
(1 Question)
- Q1. They asked questions related your project and technical questions
You have to do programming test. This is based on logical question.
Selected
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
Basic DSA leet code.
Selected
I applied via Approached by Company and was interviewed before Dec 2023. There were 3 interview rounds.
DSA medium level questions
(2 Questions)
- Q1. JS based questions, event loop
- Q2. Tricky questions based on output - JS concepts
(2 Questions)
- Q1. Machine Coding round on JS, Html, Css
- Q2. Questions on performance optimization, security
Interview Preparation Tips
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ServiceNow Senior Software Engineer Interview Process for Experienced
based on 3 interviews
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Hyderabad / Secunderabad,
Ahmedabad
3-7 Yrs
Not Disclosed
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Software Engineer
427
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|  ₹12 L/yr - ₹45 L/yr |
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Senior Software Engineer
402
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| ₹16 L/yr - ₹60 L/yr |
|
Technical Support Engineer
134
salaries
| ₹8 L/yr - ₹24.5 L/yr |
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Content Data Analyst
91
salaries
| ₹2.8 L/yr - ₹4.1 L/yr |
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