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CleverTap Java Developer Interview Questions and Answers

Updated 23 Sep 2024

CleverTap Java Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Coding questions three

Round 2 - Technical 

(2 Questions)

  • Q1. Question on java and springboot
  • Q2. One DSA question

Interview questions from similar companies

I applied via Referral

Interview Preparation Tips

Round: Test
Experience: Questions are asked on basic Programming(sorting ,trees) , networking and some aptitude
Tips: Spending some time on networking for preparation can help to clear the test ( as they are mostly like knowledge checking Questions)
Duration: 45 minutes
Total Questions: 30

Round: Test
Experience: Only 2 Questions time will be sufficient .i was asked to write the pseudo code
1) on Dynamic programming
2) Graphs
Tips: explain your code by writing in your own language at the end of your pseudo code
Duration: 60 minutes
Total Questions: 2

Skills:
College Name: IIT Kanpur

Interview Questionnaire 

3 Questions

  • Q1. N a line where words are separated by spaces, , and capitalize first letter of the reversed word. Other letters of the word should be in small. Input : “how are you?” → Output: “Woh Era ?uoy”
  • Ans. 

    The program capitalizes the first letter of each reversed word in a sentence.

    • Split the sentence into an array of words using space as a delimiter.

    • Reverse each word in the array and capitalize the first letter.

    • Join the modified words back into a sentence.

  • Answered by AI
  • Q2. He second question reduced to finding maximum weight matching in a bipartite graph. Not many people would have done this (maybe none)
  • Q3. There are 2 sets of countries. One set will donate clothes (something of this sort) and anotherset will accept clothes. A country can be in only 1 of the sets. The amount of clothes donated is also given. ...

Interview Preparation Tips

Round: Test
Experience: There were about 20 MCQs (30 minutes) to be done after the coding section. MCQs were totally nonsense. Can be done in 10 mins.For coding section 60 mins.  It was hosted on Hackerrank.
Duration: 90 minutes
Total Questions: 2

Round: Technical Interview
Experience: After this, selected candidates were interviewed that consists of 4 rounds and discussion was mostly on your CV and data structure problems.

General Tips: Be honest with your interviewer. If you are not comfortable in 1 topic, tell your interviewer honestly. Do well in other areas. Look for hints from the interviewer if you get stuck. They want to see how you approach a problem.
Skills: Algortihm, Data structure
College Name: IIT DELHI

I was interviewed before Mar 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

  • Q1. 

    Level Order Traversal Problem Statement

    Given a binary tree of integers, return the level order traversal of the binary tree.

    Input:

    The first line contains an integer 'T', representing the number of te...
  • Ans. 

    Return the level order traversal of a binary tree given in level order with null nodes represented by -1.

    • Create a queue to store nodes for level order traversal

    • Start with the root node and add it to the queue

    • While the queue is not empty, dequeue a node, print its value, and enqueue its children

    • Repeat until all nodes are traversed in level order

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 45 minutes
Round difficulty - Easy

  • Q1. What is a deadlock in DBMS, and can you explain the concepts of join and query?
  • Ans. 

    A deadlock in DBMS occurs when two or more transactions are waiting for each other to release locks, causing them to be stuck indefinitely.

    • Deadlock is a situation where two or more transactions are unable to proceed because each is waiting for the other to release locks.

    • To prevent deadlocks, DBMS uses techniques like deadlock detection and prevention algorithms.

    • Joins in DBMS are used to combine rows from two or more ta...

  • Answered by AI
Round 3 - Coding Test 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Medium

  • Q1. Design a system for Twitter, outlining the key components and architecture involved.
  • Ans. 

    Design a system for Twitter

    • Key components: user profiles, tweets, hashtags, timelines

    • Architecture: microservices, load balancers, databases, caching

    • Scalability: sharding, replication, CDN

    • Real-time processing: streaming APIs, push notifications

  • Answered by AI
Round 4 - Coding Test 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Medium

  • Q1. 

    Maximum Subarray Sum Queries

    You are provided with an array of ‘N’ integers and ‘Q’ queries. Each query requires calculating the maximum subarray sum in a specified range of the array.

    Input:

    The first ...
  • Ans. 

    Implement a function to calculate maximum subarray sum queries in a given range of an array.

    • Iterate through each query and calculate the maximum subarray sum within the specified range using Kadane's algorithm.

    • Keep track of the maximum sum found so far and update it as needed.

    • Return the maximum subarray sum for each query in the test case.

  • Answered by AI
  • Q2. 

    Sort 0 1 2 Problem Statement

    Given an integer array arr of size 'N' containing only 0s, 1s, and 2s, write an algorithm to sort the array.

    Input:

    The first line contains an integer 'T' representing the n...
  • Ans. 

    Sort an integer array containing only 0s, 1s, and 2s in linear time complexity.

    • Use a single scan over the array to sort it in-place.

    • Maintain three pointers for 0s, 1s, and 2s and swap elements accordingly.

    • Example: Input: [0, 2, 1, 2, 0], Output: [0, 0, 1, 2, 2]

  • Answered by AI
Round 5 - Coding Test 

Round duration - 20 Minutes
Round difficulty - Medium

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in ChennaiEligibility criteria7 CGPAFreshworks interview preparation:Topics to prepare for the interview - Algorithms, Data Structures, Dynamic Programming, OOPS, System DesignTime required to prepare for the interview - 2.5 MonthsInterview preparation tips for other job seekers

Tip 1 : Prepare DS and Algo
Tip 2 : Prepare Dynamic programming 

Application resume tips for other job seekers

Tip 1 : Good in DS and algo that will be help in the interview that is very neccassry
Tip 2 : Prepare DBMS

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Simple basic c programing questions

Interview Questionnaire 

1 Question

  • Q1. 1st round c mcq 2nd round short coding 3rd round advanced coding 4 and 5 technical hr and general hr
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Double-check your resume for any spelling mistakes. The recruiter may consider spelling mistakes as careless behavior or poor communication skills.
View all Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Explain basics of c#
  • Ans. 

    C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.

    • C# is an object-oriented language with features like classes, inheritance, and polymorphism.

    • It is strongly typed, meaning variables must be declared with a specific data type.

    • C# supports modern programming concepts like async/await for asynchronous programming.

    • It is commonly used for developing desktop, w...

  • Answered by AI
  • Q2. C# basics oops sql server

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare basics

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Website and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. What you do? Description with analysis
  • Ans. 

    I am a Java Developer responsible for designing, developing, and maintaining Java applications.

    • Design and develop Java applications

    • Write clean, efficient, and maintainable code

    • Collaborate with team members to troubleshoot and solve technical issues

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Java,sql,python
Round 3 - One-on-one 

(1 Question)

  • Q1. What is your goal
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was deciphering spoken language to subtitle for a complicated accented show

Round 2 - HR 

(2 Questions)

  • Q1. Why do you want to work here?
  • Ans. 

    I am passionate about the company's mission and values, and I believe my skills and experience align well with the opportunities here.

    • Passionate about company's mission and values

    • Skills and experience align well with opportunities

    • Excited about potential for growth and development

  • Answered by AI
  • Q2. What are you passionate about that made you apply for this job?
  • Ans. 

    I am passionate about using data analysis to drive business decisions and improve processes.

    • I have always been fascinated by the power of data to uncover insights and drive strategic decision-making.

    • I enjoy working with large datasets and using statistical tools to extract meaningful information.

    • I believe that data-driven decision-making is crucial for businesses to stay competitive in today's market.

    • For example, in my...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be good at the language you are applying for
Round 1 - Aptitude Test 

Java

Round 2 - Coding Test 

Program

Round 3 - Group Discussion 

All members

Round 4 - HR 

(2 Questions)

  • Q1. Tell me about yourself.
  • Q2. Any questions ask
Round 5 - Technical 

(2 Questions)

  • Q1. Project explain
  • Ans. 

    Developed a web-based inventory management system for a retail company.

    • Used Java, Spring Framework, and Hibernate for backend development.

    • Implemented a responsive UI using HTML, CSS, and JavaScript.

    • Integrated with third-party APIs for payment processing and shipping.

    • Implemented security measures such as encryption and user authentication.

    • Optimized database queries for faster performance.

    • Collaborated with a team of deve...

  • Answered by AI
  • Q2. No

Interview Preparation Tips

Interview preparation tips for other job seekers - Fresher sir
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CleverTap Interview FAQs

How many rounds are there in CleverTap Java Developer interview?
CleverTap interview process usually has 2 rounds. The most common rounds in the CleverTap interview process are Coding Test and Technical.
What are the top questions asked in CleverTap Java Developer interview?

Some of the top questions asked at the CleverTap Java Developer interview -

  1. Question on java and springb...read more
  2. One DSA quest...read more

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