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Udaan Software Engineer Interview Questions and Answers

Updated 16 Dec 2024

Udaan Software Engineer Interview Experiences

3 interviews found

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
4-6 weeks
Result
-

I applied via Company Website and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Coding Test 

Implement your own state management in React and integrate it into a React application.

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Create APIs for a Quiz platform
  • Ans. 

    Create APIs for a Quiz platform

    • Design RESTful APIs for creating, updating, deleting, and retrieving quizzes

    • Include endpoints for managing quiz questions, answers, and user responses

    • Implement authentication and authorization mechanisms for secure access

    • Utilize JSON format for data exchange between client and server

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Spring boot development well

Skills evaluated in this interview

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Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Jan 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Design and code a parking lot application

Round 2 - Technical 

(1 Question)

  • Q1. Past work and digging around that. few changes in past work and how to implement them.
Round 3 - Technical 

(1 Question)

  • Q1. How to ensure that there is no data corruption when data is being streamed and processed asynchronously
  • Ans. 

    To ensure no data corruption during asynchronous streaming and processing, use data validation, error handling, and checksums.

    • Implement data validation techniques to check the integrity of the streamed data.

    • Handle errors and exceptions properly to prevent data corruption.

    • Use checksums or hash functions to verify the integrity of the data.

    • Implement reliable communication protocols like TCP/IP to ensure data integrity.

    • Co...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your machine setup with IDE of your choice.
Keep a list of significant work you have done in the past. Keep all the details handy for them.

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Given a 2d matrix with some D doors and W walls, we need fill distance matrix with minimum distance to the nearest door
  • Ans. 

    Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.

    • Iterate through the matrix and find the doors

    • Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door

    • Update the distance matrix with the minimum distances

  • Answered by AI
  • Q2. Given a read-only array we want to find kth smallest element in unordered array with O(1) space
  • Ans. 

    Find kth smallest element in unordered array with O(1) space

    • Use the QuickSelect algorithm to partition the array and find the kth smallest element

    • Choose a pivot element and partition the array into two subarrays

    • Recursively partition the subarray that contains the kth smallest element

    • Repeat until the pivot element is the kth smallest element

    • Time complexity: O(n) average case, O(n^2) worst case

  • Answered by AI
  • Q3. Design question
  • Q4. Find friends of friend who already are not friends with you
  • Ans. 

    To find friends of friends who are not already friends with you, we can first find your friends and then their friends excluding yourself and your friends.

    • Get your list of friends

    • For each friend, get their list of friends

    • Exclude yourself and your friends from the final list of friends of friends

  • Answered by AI

Interview Preparation Tips

Round: Technical Interview
Experience: It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
Tips: Just walk the interviewer through the solution you're proposing.

Round: Other Interview
Experience: He started with a design question with how to stream an image such that all clients see the same image at the same time. You need to take care of delays, network problems. He kept on adding new elements like compression, streaming, utc time related issues, client rendering delays and so on.

Round: Other Interview
Experience: This was bar-raiser round.

Skills: Design, Algorithms And Data Structures, Graph Theory
College Name: IIT Madras

Skills evaluated in this interview

I appeared for an interview before Apr 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.

  • Q1. 

    Kth Largest Element Problem Statement

    Given an array of distinct positive integers and a number 'K', your task is to find the K'th largest element in the array.

    Example:

    Input:
    Array: [2,1,5,6,3,8], K ...
  • Ans. 

    Find the Kth largest element in an array of distinct positive integers.

    • Sort the array in non-increasing order

    • Return the Kth element from the sorted array

    • Handle multiple test cases

  • Answered by AI
  • Q2. 

    Orange Rotting Problem Statement

    Consider a grid containing oranges. Each cell in this grid can hold one of three integer values:

    • Value 0: Represents an empty cell.
    • Value 1: Represents a fresh orang...
  • Ans. 

    The task is to determine the minimum time required for all fresh oranges to become rotten in a grid.

    • Create a queue to store the rotten oranges and their time of rotting.

    • Iterate through the grid to find the initial rotten oranges and add them to the queue.

    • Perform BFS by popping each rotten orange from the queue, rot adjacent fresh oranges, and add them to the queue with updated time.

    • Continue until the queue is empty, ke...

  • Answered by AI
Round 2 - Face to Face 

Round duration - 45 minutes
Round difficulty - Easy

This was a design round.

Interview Preparation Tips

Eligibility criteriaAbove 8 CGPAUber interview preparation:Topics to prepare for the interview - Design, Algorithms And Data Structures, Graph Theory, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

I appeared for an interview in Sep 2016.

Interview Questionnaire 

9 Questions

  • Q1. Questions on DBMS like find the 2nd maximum salary of employee
  • Q2. A table was given and i need Normalize it
  • Q3.  join, groupby queries on a given table
  • Q4. Question related to Computer Networks like how internet works
  • Q5. What is web server and application server
  • Ans. 

    Web server handles HTTP requests and responses, while application server executes application logic.

    • Web server serves static content like HTML, CSS, JS files

    • Application server executes dynamic code like Java, Python, Ruby

    • Web server communicates with client, application server communicates with database

    • Examples of web servers: Apache, Nginx, IIS

    • Examples of application servers: Tomcat, JBoss, WebSphere

  • Answered by AI
  • Q6. Coding question to print a given pattern
  • Q7. Proper discussion on my projects that were mentioned in the resume. They usually ask to make class diagram, ER diagram of project etc.
  • Q8. Firstly HR asked to introduce yourself
  • Q9. Then he asked simple questions like why u want to join this company, my family background, asked about hobbies, academic achievements etc

Interview Preparation Tips

Round: Test
Experience: Two coding questions were given in the 1st round
1)find nodes at kth distance from root node
2)arrange a given array in min-max sequence
Duration: 1 hour
Total Questions: 2

College Name: Thapar University, Patiala

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Dec 2015. There were 5 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Reverse a linked list
  • Ans. 

    Reverse a linked list

    • Iteratively swap the next and previous pointers of each node

    • Use three pointers to keep track of the current, previous, and next nodes

    • Update the head pointer to the last node after reversing

  • Answered by AI
  • Q2. Object Oriented Programming
  • Q3. Database questions
  • Q4. What do you like about this company
  • Ans. 

    I appreciate the company's commitment to innovation and employee development.

    • Strong focus on innovation in software development

    • Opportunities for professional growth and development

    • Positive company culture and work environment

  • Answered by AI
  • Q5. Why do you want to work here
  • Ans. 

    I am impressed by the company's innovative projects and collaborative work environment.

    • Impressed by innovative projects

    • Desire to work in a collaborative environment

    • Excited about potential for growth and learning opportunities

  • Answered by AI
  • Q6. Long term goals

Interview Preparation Tips

Round: Test
Experience: Simple aptitude test where they filtered out 2/3 of the applicants (12-15 selected out of 30)
Duration: 1 hour
Total Questions: 40

Round: Technical Interview
Experience: General questions about you, your projects etc.
The linked list question, you can write in any language you like.
OOP concepts like how it is implemented in your favourite language.

Round: Technical Interview
Experience: Your thoughts on designing a database for a company that aggregates jobs from any available source.
The schema for the database and your reason for it.

Round: HR Interview
Experience: Standard HR questions

College Name: Shiv Nadar University, Dadri

Skills evaluated in this interview

I appeared for an interview before May 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 120 minutes
Round difficulty - Easy

It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium levels. Time was enough and no sectional time was present. 1-2 MCQs on SQL was also present.

  • Q1. 

    Boolean Matrix Transformation Challenge

    Given a 2-dimensional boolean matrix mat of size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi...

  • Ans. 

    Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.

    • Iterate through the matrix to find elements with value 1

    • Store the row and column indices of these elements

    • Update the entire row and column for each element found to be 1

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 minutes
Round difficulty - Easy

It was an online video interview round on HackerEarth with a simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class that required inheritance was asked by the interviewer to write. I was helped by the interviewer if I got stuck somewhere, Some questions on the implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in HyderabadEligibility criteriaAbove 7 CGPAUber interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic Programming, Aptitude , Programming Language.Time required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Clear basics
Tip 2 : Prepare well
Tip 3 : Do at-least 2 projects

Application resume tips for other job seekers

Tip 1 : Write only those things in resume in which you are 100% confident
Tip 2 : Write maximum projects you have and be ready to explain them thoroughly

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Data Structures
  • Q2. Algorithms knowledge

Interview Preparation Tips

Interview preparation tips for other job seekers - Study DSA and be thorough with projects.

I appeared for an interview before May 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 Minutes
Round difficulty - Medium

it was time bound coding test round. The questions were from array and string. There were 2 questions.

  • Q1. 

    K-Palindrome Problem Statement

    Determine whether a given string str can be considered a K-Palindrome.

    A string is considered a K-Palindrome if it can be transformed into a palindrome after removing up to...

  • Ans. 

    The problem is to determine whether a given string can be considered a K-Palindrome by removing up to 'k' characters.

    • Iterate through the string from both ends and check if characters match, if not increment removal count

    • If removal count is less than or equal to k, return True, else return False

    • Use dynamic programming to optimize the solution by storing subproblem results

  • Answered by AI
Round 2 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

in this round manager spoke to me and explained about project and joining date later hr spoke to me regarding on boarding process

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Software Engineer in HyderabadEligibility criteriaNo criteriaUber interview preparation:Topics to prepare for the interview - Data structure ,Problem Solving ,Algorithms , Java , Spring Framework , Design QuestionsTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Practise Data structures mostly (Array, String and Tree) , practise as much questions as you can.
Tip 2 : Have Good knowledge of Tech Stack you mention in your resume
Tip 3 : Have good understanding of projects mentioned in your resume.

Application resume tips for other job seekers

Tip 1 : Resume should be having one page or maximum two pages long
Tip 2 : Mention your role on each project.

Final outcome of the interviewSelected

Skills evaluated in this interview

Udaan Interview FAQs

How many rounds are there in Udaan Software Engineer interview?
Udaan interview process usually has 1-2 rounds. The most common rounds in the Udaan interview process are Technical and Coding Test.
How to prepare for Udaan Software Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Udaan. The most common topics and skills that interviewers at Udaan expect are B2B, Deployment, Javascript, Management and Mentoring.
What are the top questions asked in Udaan Software Engineer interview?

Some of the top questions asked at the Udaan Software Engineer interview -

  1. How to ensure that there is no data corruption when data is being streamed and ...read more
  2. create APIs for a Quiz platf...read more

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Udaan Software Engineer Interview Process

based on 3 interviews

Interview experience

4.7
  
Excellent
View more
Udaan Software Engineer Salary
based on 50 salaries
₹14 L/yr - ₹46.5 L/yr
221% more than the average Software Engineer Salary in India
View more details

Udaan Software Engineer Reviews and Ratings

based on 11 reviews

3.2/5

Rating in categories

3.5

Skill development

3.2

Work-life balance

4.1

Salary

2.6

Job security

3.2

Company culture

3.5

Promotions

3.4

Work satisfaction

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