CleverTap Senior Software Engineer Interview Questions and Answers

Q1. Why you choose Newt ?
Ans. 
I chose Newt because of its advanced features, user-friendly interface, and strong community support.
• Advanced features such as real-time collaboration and automated testing

• User-friendly interface that makes it easy to navigate and use

• Strong community support for troubleshooting and sharing best practices
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Q1. Mimic Dataframe Merge
Ans. 
Implement a function to mimic the functionality of merging two DataFrames in Python.
• Create a function that takes two DataFrames as input.

• Merge the two DataFrames based on a common column or index.

• Handle different types of joins like inner, outer, left, and right joins.

• Return the merged DataFrame as output.
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Q2. Improve above case by case
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1 hour - Find longest palindromic substring

Hacker rank test. Basic coding questions on arrays, list etc.

Q1. Interactive session. Theoritical questions on oops, multithreading, springboot, java8 and few coding questions.
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Q1. Design round. Questions on system design and best practices to be followed while developing any service. Few managerial questions as well.
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Q1. Profile related questions and salary discussion.
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Q1. Medium prepare well on data structure
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Q2. Find duplicate elements in array
Ans. 
Find duplicate elements in array
• Iterate through array and compare each element with all other elements

• Use a hash table to keep track of seen elements

• Sort the array and compare adjacent elements
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Q3. Remove duplicate elements in array
Ans. 
Remove duplicate elements in array
• Use a hash table to keep track of elements already seen

• Sort the array and remove adjacent duplicates

• Use a Set to store unique elements
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Q1. Based on api fetching and data optimazation
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Q1. Basic hr questions like inmovation creation difference
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Q1. With manager one to one discussion on projects
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2 Leetcode medium - LRU Cache and sliding window question

Q1. Design Whatsapp
Ans. 
Design a messaging app like Whatsapp
• Implement end-to-end encryption for secure messaging

• Allow users to send text messages, images, videos, and documents

• Include features like group chats, voice and video calls, status updates

• Provide option for users to share their location

• Develop a user-friendly interface with customizable settings
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Q1. Basics .net , c#, sql
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Q1. Current Project Details, Roles and some technical questions too
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Q1. Package Discussion and Other basic details
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Discussion about OOPS concepts and String related program

Program on Recursion and Array

Q1. Strength and Weakness
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Q2. Reason for joining with company
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Good technical round, you can manage, mainly Java questions used to come

Q1. HR round is also good package discussion will happen
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Q2. Company personal so kept secret
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