Nagarro Senior Software Engineer Interview Questions, Process, and Tips

There were total 62 questions. 20 aptitude, 40 React MCQs and 2 JS based coding questions

Basic questions you can practice becoz time is less

Coding questions include simple moderate tough

Q1. It was tricky like Java hybris developer
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Q2. Questionz about hybris model the work I have done
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Round duration - 180 mins
Round difficulty - Medium

It was aptitude & english then coding round

Q1. 
Character Counting Challenge
Create a program that counts and prints the total number of specific character types from user input. Specifically, you need to count lowercase English alphabets, numeric digi...read more
Ans. 
Create a program to count lowercase alphabets, digits, and white spaces from user input until '$' is encountered.
• Read characters from input stream until '$' is encountered

• Count lowercase alphabets, digits, and white spaces separately

• Print the counts of each character type as three integers separated by spaces
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Round duration - 60 Minutes
Round difficulty - Easy

Online coding round 3 questions were there leetcode easy

Q1. 
Preorder Traversal Problem Statement
You are provided with the root node of a binary tree comprising N nodes. Your objective is to output its preorder traversal. Preorder traversal of a binary tree is per...read more
Ans. 
Implement a function to perform preorder traversal on a binary tree given the root node.
• Create a recursive function to traverse the tree in preorder fashion.

• Visit the root node, then recursively traverse left subtree, followed by right subtree.

• Store the visited nodes in an array and return the array as the result.

• Example: For the input tree [1, 2, 3, 4, -1, 5, 6, -1, 7, -1, -1, -1, -1, -1, -1], the preorder traversal o
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Round duration - 60 Minutes
Round difficulty - Easy

They tested my basic data structure knowledge

Q1. Can you explain the concept of static variables and classes in Object-Oriented Programming?
Ans. 
Static variables and classes in OOP are used to store data that is shared among all instances of a class.
• Static variables are shared among all instances of a class and retain their value throughout the program's execution.

• Static classes cannot be instantiated and are used to group related static members together.

• Example: In a class representing a bank account, a static variable could be used to store the total number o...read more
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Round duration - 60 Minutes
Round difficulty - Medium

It was more about technical knowledge and problem solving skills

Q1. Can you design a login page for Facebook?
Ans. 
I can design a login page for Facebook with user input fields for email/phone and password, a 'Login' button, and 'Forgot password?' link.
• Include user input fields for email/phone and password

• Add a 'Login' button for submitting credentials

• Include a 'Forgot password?' link for password recovery

• Design the page with Facebook branding and color scheme
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Round duration - 30 Minutes
Round difficulty - Easy

General question and CTC discussion

Q1. Can you discuss the CTC (Cost to Company) offered in this position?
Ans. 
The CTC offered for this position is competitive and includes salary, benefits, and bonuses.
• CTC includes salary, benefits, bonuses, and any other perks offered by the company.

• It is important to consider the overall compensation package, not just the base salary.

• Negotiation for a higher CTC may be possible based on experience and skills.

• Example: CTC for this position ranges from $100,000 to $120,000 per year.
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Round duration - 267 Minutes
Round difficulty - Medium

It was from home only. 12+180+75 minutes. I could solve the problems within given time and with all tests passed. I am not able to recall now , but based on OOPS, C# SQL , ADO. net, WPF , Design principle, I forgot the number of MCQs

Q1. 
String Transformation Problem
Given a string (STR) of length N, you are tasked to create a new string through the following method:
Select the smallest character from the first K characters of STR, remov...read more
Ans. 
The task is to transform a given string by selecting the smallest character from the first K characters and appending it to a new string until the original string becomes empty.
• Iterate through the string while there are characters remaining

• For each iteration, select the smallest character from the first K characters

• Remove the selected character from the original string and append it to the new string

• Repeat until the or...read more
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Q2. 
Make Unique Array Challenge
Your task is to determine the minimum number of elements that need to be removed from an array 'ARR' of size 'N' such that all the remaining elements are distinct. In simpler t...read more
Ans. 
Find the minimum number of elements to remove from an array to make all elements distinct.
• Iterate through the array and keep track of the frequency of each element using a hashmap.

• Count the number of elements that have a frequency greater than 1, as those need to be removed.

• Return the count of elements to be removed.
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Round duration - 45 minutes
Round difficulty - Medium

OOps, C#, WPF, SQL , Design Principles, etc