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Chaayos Software Developer Interview Questions and Answers

Updated 21 Oct 2023

Chaayos Software Developer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Coding Test 

Coding question based on Linked List Arrays

Round 3 - One-on-one 

(1 Question)

  • Q1. DSA and DBMS were asked

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Laravel based questions
Round 2 - HR 

(1 Question)

  • Q1. Basic questions
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Arrays problems
  • Q2. Sliding window problem
  • Ans. 

    Sliding window problem involves finding a subarray of fixed size k with maximum sum.

    • Use a sliding window approach to iterate through the array and calculate the sum of each subarray of size k.

    • Keep track of the maximum sum encountered so far.

    • Move the window by one element at a time and update the sum accordingly.

    • Example: Given array [1, 3, -1, -3, 5, 3, 6, 7] and k = 3, the subarray with maximum sum is [5, 3, 6] with su

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Oct 2023. There were 2 interview rounds.

Round 1 - Coding Test 

2 coding questions from dsa. one quest was from trees ds

Round 2 - HR 

(2 Questions)

  • Q1. Why did you choose target
  • Q2. Minus points in you that you can share with us

I appeared for an interview before Sep 2020.

Round 1 - Assignment 

Round duration - 90 minutes
Round difficulty - Medium

Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This was the technical round, held around at 10 AM IST on Google Meet.
Firstly she greeted me and asked me to tell something about myself, to which I introduced myself, explaining my academic and some projects also.
After that we moved on to the Hackathon project, which was smart cart self-checkout system. I explained the project along with the code, wherever necessary.
Every word you say while explaining should be clear to you.I used Firebase and SQL while explaining my project, to which she asked some questions related to it, 
Then she moved to the DBMS part, types of joins,what is indexing, how to approach if you were to design a payment system.
At last she asked me some Data Structure questions, which were of medium complexity

  • Q1. 

    Remove the Kth Node from the End of a Linked List

    You are given a singly Linked List with 'N' nodes containing integer data and an integer 'K'. Your task is to delete the Kth node from the end of this Lin...

  • Ans. 

    Remove the Kth node from the end of a singly linked list given the position 'K'.

    • Traverse the list to find the length 'N' of the linked list.

    • Calculate the position of the node to be removed from the beginning as 'N - K + 1'.

    • Traverse the list again and remove the node at the calculated position.

  • Answered by AI
  • Q2. 

    House Robber Problem Statement

    Consider Mr. X, a professional robber who is planning to rob houses along a street. These houses are arranged in a circle, which means the first house is a neighbor to the l...

  • Ans. 

    House Robber problem where adjacent houses have connected security system, find maximum money Mr. X can rob without triggering security.

    • Use dynamic programming to keep track of maximum money robbed at each house.

    • At each house, decide whether to rob the current house or skip it based on maximum money robbed so far.

    • Handle the circular nature of houses by considering two cases: robbing the first house and not robbing the ...

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

The interviewer was very frank and cheerful. This was held at 2:30 PM IST on Google Meet.
He firstly greeted me and asked me how I was doing.
How was my previous round, any technical difficulties?
Then he asked me to introduce myself.
He started telling about his journey to Lowe's and his technical background.
Then he asked some HR related questions

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Dr. B.R. Ambedkar National Institute of Technology. Eligibility criteria7.5 CGPALowe's India interview preparation:Topics to prepare for the interview - Data structures and algorithms, OOPS, operating Systems,SQL, DBMS, Machine Learning.Time required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Practice DSA questions, interview questions as much as you can.(400 leetcode questions) + (1000+ geeksforgeeks score) is good approximation of your preparation.
Tip 2 : You should have a good internship experience or 1 or 2 good projects on Android/web-d or Machine Learning.You should be through with your projects and be able to tell further improvements for the future.
Tip 3 : Be CONFIDENT with what you say. Don't murmur or speak in the mouth.The interviewer wants to know your thought process.

Application resume tips for other job seekers

Tip 1 : Resume is the first impression of you.so it must be very eye-catching. write some decent (maybe 1 or 2 is enough) projects on resume.
Tip 2 : Should be through with each and every point you have written on your resume. people usually write 10- 15 skills on resume while confident in only 5.Please don't do it.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal

Round 1 - Coding Test 

Basic java question, design questions, 1 data structure question

Round 2 - One-on-one 

(3 Questions)

  • Q1. Asked puzzle and previous project experience
  • Q2. Monitor microservices using Spring actuator
  • Ans. 

    Spring Actuator provides endpoints to monitor and manage microservices in a Spring Boot application.

    • Add Spring Boot Actuator dependency in pom.xml

    • Enable Actuator endpoints in application.properties or application.yml

    • Access Actuator endpoints like /actuator/health, /actuator/info, etc.

    • Customize Actuator endpoints using configuration properties

  • Answered by AI
  • Q3. How webflux works
  • Ans. 

    Webflux is a reactive programming framework for building non-blocking, event-driven applications on the JVM.

    • Webflux is part of the Spring Framework and provides support for reactive programming.

    • It allows developers to build asynchronous, non-blocking applications that can handle a large number of concurrent connections.

    • Webflux uses Project Reactor, a reactive library for building reactive applications.

    • It supports both ...

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
-
Result
No response
Round 1 - Coding Test 

The test was quite simple but the interviewer was not ready to accept the solution. Even with complete dry run and working output he denied the solution giving a very vague reason.

Round 2 - One-on-one 

(1 Question)

  • Q1. In this design round , they asked me to demonstrate how to build cowin app. Gave a complete overview including HLD and LLD for each showcased feature still got negative response.

Interview Preparation Tips

Interview preparation tips for other job seekers - My experience was bad due to the interview panel, no comments on how tesco works in general
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Coding round related to Android
Round 2 - System design 

(1 Question)

  • Q1. Current project in detail
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Why string arr immutable
  • Ans. 

    String arrays are immutable because they cannot be changed once created.

    • Strings in an array cannot be modified individually

    • Any changes to a string array result in a new array being created

    • Immutable arrays ensure data integrity and prevent unintended side effects

  • Answered by AI
  • Q2. How we can create a custom immutable class
  • Ans. 

    To create a custom immutable class, use final keyword for class, private final fields, and no setter methods.

    • Use the final keyword for the class to prevent inheritance

    • Declare all fields as private and final to prevent modification

    • Do not provide setter methods for the fields to maintain immutability

    • Provide getter methods to access the fields

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Oct 2024. There were 4 interview rounds.

Round 1 - Coding Test 

2 DSA questions and some MCQ on Java and Spring

Round 2 - Technical 

(2 Questions)

  • Q1. Longest palindromic substring
  • Ans. 

    A palindromic substring is a string that reads the same forwards and backwards.

    • Use dynamic programming to find the longest palindromic substring.

    • Start by considering each character as the center of a potential palindrome.

    • Expand outwards from each center to check for palindromes of odd and even lengths.

  • Answered by AI
  • Q2. Remove duplicates in place from a 1D array
  • Ans. 

    Remove duplicates from a 1D array of strings in place

    • Iterate through the array and use a HashSet to keep track of unique elements

    • Replace duplicates with null or an empty string to remove them in place

  • Answered by AI
Round 3 - Technical 

(3 Questions)

  • Q1. Project discussion
  • Q2. Search min element in a rotated sorted array with duplicate elements
  • Ans. 

    Search for the minimum element in a rotated sorted array with duplicate elements.

    • Use binary search to find the minimum element in the rotated sorted array.

    • Handle the case where duplicate elements are present by adjusting the search conditions.

    • Consider cases where the array is not rotated or contains only one element.

  • Answered by AI
  • Q3. Ways of declaring singleton class
  • Ans. 

    A singleton class is a class that can only have one instance created throughout the application.

    • Declare a private static instance variable of the class

    • Create a private constructor to prevent external instantiation

    • Provide a public static method to access the instance

  • Answered by AI
Round 4 - Technical 

(2 Questions)

  • Q1. Project discussion
  • Q2. Behavioural questions

Skills evaluated in this interview

Chaayos Interview FAQs

How many rounds are there in Chaayos Software Developer interview?
Chaayos interview process usually has 3 rounds. The most common rounds in the Chaayos interview process are One-on-one Round, Resume Shortlist and Coding Test.

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Chaayos Software Developer Interview Process

based on 1 interview

Interview experience

4
  
Good
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Chaayos Software Developer Salary
based on 10 salaries
₹7 L/yr - ₹15.2 L/yr
29% more than the average Software Developer Salary in India
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Chaayos Software Developer Reviews and Ratings

based on 6 reviews

3.4/5

Rating in categories

3.5

Skill development

2.5

Work-life balance

2.9

Salary

3.2

Job security

2.5

Company culture

2.9

Promotions

3.2

Work satisfaction

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