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Housing.com Front end Engineer Interview Questions, Process, and Tips

Updated 25 Jan 2022

Top Housing.com Front end Engineer Interview Questions and Answers

  • Q1. Pair Sum Problem Statement You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where eac ...read more
  • Q2. Can you explain the concepts of deep and shallow copy in JavaScript with examples?
  • Q3. What is the difference between absolute and fixed positioning in CSS?
View all 7 questions

Housing.com Front end Engineer Interview Experiences

2 interviews found

I was interviewed in May 2021.

Round 1 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Be prepared for JavaScript and web fundamentals . I have given most of the answer including DS question and interviewer is also very good , explained every answer which i don't know.

  • Q1. 

    Pair Sum Problem Statement

    You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.

    Note:
    ...
  • Ans. 

    Find pairs of elements in an array that sum up to a given value, sorted in a specific order.

    • Iterate through the array and use a hashmap to store the difference between the target sum and each element.

    • Check if the difference exists in the hashmap, if so, add the pair to the result list.

    • Sort the result list based on the criteria mentioned in the question.

    • Return the sorted list of pairs.

  • Answered by AI
  • Q2. What are closures in JavaScript?
  • Ans. 

    Closures in JavaScript are functions that have access to variables from their outer scope even after the outer function has finished executing.

    • Closures allow functions to access variables from their parent function's scope

    • They are created whenever a function is defined within another function

    • Closures can be used to create private variables and functions in JavaScript

  • Answered by AI
  • Q3. Can you write a polyfill for event delegation in JavaScript?
  • Ans. 

    Yes, event delegation can be achieved by attaching an event listener to a parent element and then checking the target element of the event.

    • Attach an event listener to a parent element that contains the child elements you want to delegate events to.

    • Check the target element of the event to determine if it matches the desired child element.

    • Perform the appropriate action based on the target element.

  • Answered by AI
  • Q4. Can you explain the concepts of deep and shallow copy in JavaScript with examples?
  • Ans. 

    Deep copy creates a new copy of an object/array with all nested values copied, while shallow copy creates a new object/array with references to the original nested values.

    • Deep copy creates a completely new copy of an object/array, including all nested values, while shallow copy only creates a new object/array with references to the original nested values.

    • In JavaScript, deep copy can be achieved using methods like JSON....

  • Answered by AI
Round 2 - Video Call 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions based on CSS and Web basics.

  • Q1. What is the difference between absolute and fixed positioning in CSS?
  • Ans. 

    Absolute positioning is relative to the nearest positioned ancestor, while fixed positioning is relative to the viewport.

    • Absolute positioning is relative to the nearest positioned ancestor.

    • Fixed positioning is relative to the viewport.

    • Absolute positioned elements are removed from the normal document flow.

    • Fixed positioned elements stay in the same position even when the page is scrolled.

  • Answered by AI
  • Q2. How does a browser render a webpage?
  • Ans. 

    A browser renders a webpage by parsing HTML, CSS, and JavaScript, constructing the DOM tree, rendering the layout, and painting the pixels on the screen.

    • Browser requests the HTML file from the server

    • Browser parses the HTML and constructs the DOM tree

    • Browser fetches external resources like CSS and JavaScript files

    • Browser applies CSS styles to the DOM elements and constructs the render tree

    • Browser executes JavaScript cod...

  • Answered by AI
  • Q3. What is webpack?
  • Ans. 

    Webpack is a module bundler for JavaScript applications.

    • Webpack takes modules with dependencies and generates static assets representing those modules.

    • It can handle various types of assets like JavaScript, CSS, and images.

    • Webpack allows for code splitting, lazy loading, and hot module replacement.

    • Common configuration options include entry, output, loaders, and plugins.

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR round with typical behavioral problems.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Delhi Technological University. Eligibility criteriaAbove 7 CGPAHousing.com interview preparation:Topics to prepare for the interview - Java script, Web Fundamentals, Data Structures, Algorithms, System Design, 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 applied via Referral and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. JavaScript - Closure, 2 question find the output based on question, pollyfill for event delegation, deep and shallow copy with example, and basic js question. CSS - basic css like diff between absolute and...

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview using referral, Be prepared for JavaScript and web fundamentals . I have given most of the answer including DS question and interviewer is also very good , explained every answer which i don't know.
Problem is with the HR of the company , she did not even care to provide the feedback and even rejection mail to me. I even Mail her to give at least feedback as interview went well but no response, why does this HR are always like this in most of the company better replace them with BOT in near future. HR like this make company reputation to negative.

Front end Engineer Interview Questions Asked at Other Companies

asked in Housing.com
Q1. Pair Sum Problem Statement You are given an integer array 'ARR' o ... read more
asked in Housing.com
Q2. Can you explain the concepts of deep and shallow copy in JavaScri ... read more
asked in Housing.com
Q3. What is the difference between absolute and fixed positioning in ... read more
asked in Snapdeal
Q4. Write a code to find if the input date is today or tomorrow based ... read more
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Q5. Explain box model in css, and what is specificity in CSS. What ar ... read more

Interview questions from similar companies

Interview Questionnaire 

10 Questions

  • Q1. General question on database
  • Q2. Few algorithm based questions
  • Q3. Detailed discussion about my projects
  • Q4. Discussion on my projects
  • Q5. Three or four puzzles
  • Q6. Few dynamic programming problems
  • Q7. One sorting based questions
  • Q8. What is the most important thing you are taking with you from IIT Kgp?
  • Ans. 

    The importance of problem-solving skills and teamwork.

    • Developed problem-solving skills through challenging coursework and projects.

    • Collaborated with diverse teams to complete group projects.

    • Participated in hackathons and coding competitions to enhance skills.

    • Learned to manage time effectively and prioritize tasks.

    • Developed a strong work ethic and dedication to excellence.

  • Answered by AI
  • Q9. What do you know about commonfloor?
  • Ans. 

    CommonFloor is a real estate platform that helps people find and rent/buy properties.

    • CommonFloor was founded in 2007 and is based in Bangalore, India.

    • It offers a range of services including property listings, property management, and home loans.

    • The platform has over 5 million registered users and lists properties in over 200 cities in India.

    • In 2016, CommonFloor was acquired by Quikr, another Indian online classifieds p

  • Answered by AI
  • Q10. Detailed discussion on all my projects

Interview Preparation Tips

Round: Test
Experience: Multiple choice questions were not that difficult, mostly on database and operating system. Coding question was good and i think that made the whole difference , it was on graph theory (distance between two nodes).
Tips: In general prepare all the concepts of Dynamic programming for the tests during placements not only for commonfloor they are the most generally asked questions.
Duration: 60 minutes
Total Questions: 6

Round: Technical Interview
Experience: I stuck in one of the database question , but my knowledge on my project and algorithm was good , finally they remarked me with good technical knowledge.
Tips: Prepare your projects ,i think that is most vital part in your selection . I had friends who had good technical knowledge but didn't prepare there projects well they had to face failure at many places because of that.

Round: Technical Interview
Experience: This round of mine i think was flawless i answered every questions. Step by step discussion with the panel on every question presented my point well .
Tips: Try to discuss your every doubt with interviewer about the questions and even if don't know the answer try to solve the problem interviewer will help you .

Round: HR Interview
Experience: I didn't prepare the HR question so i was bit scared before the interview but i gone with the flow and answered all the questions as i actually felt . I had good knowledge on all my projects so i had no problem there.
Tips: Prepare the hr questions because i n many interviews it could have made the difference i was shortlisted in VISA and i think finally hr round made the difference. All the above rounds were elimination.

General Tips: Be focused every time , placement time in IIT can be very difficult . Don't get depressed if you don't get selected there are lot of companies.
Skills: Database, Algorithm, Operating System, C, C++ , JAVA
College Name: IIT KHARAGPUR
Funny Moments: I did not slept for 3 days because of the schedule , my three test gone bad because of that.

Skills evaluated in this interview

I was interviewed before Apr 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 45 minutes
Round difficulty - Easy

This was a test where 2 coding questions were to be solved in 45 minutes.

  • Q1. 

    Excel Column Number Conversion

    Given a column title as it appears in an Excel sheet, your task is to return its corresponding column number.

    Example:

    Input:
    S = "AB"
    Output:
    28
    Explanation:

    The seq...

  • Ans. 

    Convert Excel column title to corresponding column number.

    • Iterate through the characters in the input string from right to left

    • Calculate the value of each character based on its position and multiply by 26^index

    • Sum up the values to get the final column number

  • Answered by AI
  • Q2. 

    Check Permutation Problem

    Determine if two given strings, str1 and str2, are permutations of each other.

    Explanation:

    Two strings are permutations of each other if the characters of one string can be re...

  • Ans. 

    Check if two strings are permutations of each other.

    • Create character frequency maps for both strings.

    • Compare the frequency maps to check if they are permutations.

    • Handle edge cases like empty strings or strings of different lengths.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPropTiger interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, 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 was interviewed before Feb 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

It comprised of general aptitude questions and two coding questions. It was an offline test.

  • Q1. 

    N Queens Problem

    Given an integer N, find all possible placements of N queens on an N x N chessboard such that no two queens threaten each other.

    Explanation:

    A queen can attack another queen if they ar...

  • Ans. 

    The N Queens Problem involves finding all possible placements of N queens on an N x N chessboard where no two queens threaten each other.

    • Use backtracking algorithm to explore all possible configurations.

    • Keep track of rows, columns, and diagonals to ensure queens do not attack each other.

    • Generate and print valid configurations where queens are placed safely.

    • Consider constraints and time limit for efficient solution.

    • Exam...

  • 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 three pointers to keep track of the positions of 0s, 1s, and 2s in the array.

    • Iterate through the array and swap elements based on the values encountered.

    • Achieve sorting in a single scan over the array without using any extra space.

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

After having a technical discussion about my CV. He gave me two questions to code.

  • Q1. 

    Ninja and Substrings Problem Statement

    Ninja has to determine all the distinct substrings of size two that can be formed from a given string 'STR' comprising only lowercase alphabetic characters. These su...

  • Ans. 

    Find all unique contiguous substrings of size two from a given string.

    • Iterate through the string and extract substrings of size two

    • Use a set to store unique substrings

    • Return the set as an array of strings

  • Answered by AI
  • Q2. 

    Cycle Detection in a Singly Linked List

    Determine if a given singly linked list of integers forms a cycle or not.

    A cycle in a linked list occurs when a node's next points back to a previous node in the ...

  • Ans. 

    Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.

    • Traverse the linked list using two pointers, one moving one step at a time and the other moving two steps at a time.

    • If the two pointers meet at any point, there is a cycle in the linked list.

    • If one of the pointers reaches the end of the list (null), there is no cycle.

  • Answered by AI
Round 3 - HR 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

This was supposed to be the HR round but out of surprise the interviewer started by giving me a question to code. 
After I approached this question with the right solution he just asked about my family. After that he said to wait. After half an hour the results were announced. A total of three students were hired and I was amongst one of them.

  • Q1. 

    Balanced Parentheses Combinations

    Given an integer N representing the number of pairs of parentheses, find all the possible combinations of balanced parentheses using the given number of pairs.

    Explanati...

  • Ans. 

    Generate all possible combinations of balanced parentheses for a given number of pairs.

    • Use recursion to generate all possible combinations of balanced parentheses.

    • Keep track of the number of open and close parentheses used in each combination.

    • Return the valid combinations as an array of strings.

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAMagicbricks interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 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 interviewSelected

Skills evaluated in this interview

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

I applied via LinkedIn and was interviewed in Jan 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

It was 2 coding questions of medium level

Round 3 - Technical 

(2 Questions)

  • Q1. Longest substring with non repeating characters
  • Ans. 

    Find the longest substring in a given string that does not contain any repeating characters.

    • Use a sliding window approach to iterate through the string.

    • Keep track of the characters seen so far using a set.

    • Update the start and end indices of the window to find the longest substring.

    • Return the length of the longest substring.

  • Answered by AI
  • Q2. Candy problem. There is similar question in geeks for geeks

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep practising data structures and algorithms. Do some projects

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Launch modes on android
  • Ans. 

    Launch modes on Android determine how a new instance of an activity is associated with the current task.

    • Standard: Creates a new instance of the activity in the task's stack

    • SingleTop: If an instance of the activity already exists at the top of the stack, it will not be recreated

    • SingleTask: Activity is always at the root of the task and no other activities can be on top of it

    • SingleInstance: Similar to SingleTask, but the

  • Answered by AI
Round 3 - Case Study 

Questios based on Activity backstacks

Skills evaluated in this interview

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

I applied via Campus Placement and was interviewed before Aug 2022. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

There were 2 questions to test our basic coding knowledge.

Round 3 - One-on-one 

(1 Question)

  • Q1. Some basic introduction followed by sort 2 arrays into a single array.
Round 4 - One-on-one 

(1 Question)

  • Q1. Applications of various data structures.
  • Ans. 

    Data structures are used in various applications like search algorithms, storage systems, and graph algorithms.

    • Search algorithms like binary search use arrays and trees for efficient searching.

    • Storage systems use data structures like hash tables and linked lists for organizing and accessing data.

    • Graph algorithms like Dijkstra's algorithm use graphs and trees for solving complex problems.

  • Answered by AI
Round 5 - HR 

(1 Question)

  • Q1. Some basic hr questions like tell me about yourself, what do you know about magicbricks,where do you see yourself in 5 years etc

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. JavaScript question
Round 2 - Technical 

(1 Question)

  • Q1. Coding questions
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Coding Test 

Data structure - rainwater trapping

Round 3 - Technical 

(2 Questions)

  • Q1. OOPs concept, core java, sql
  • Q2. Car parking lot problem - system design
  • Ans. 

    Design a car parking lot system

    • Determine the size and capacity of the parking lot

    • Create a database to store information about available spots and occupied spots

    • Develop a system to track the entry and exit of vehicles

    • Implement a payment system for parking fees

    • Incorporate security measures such as CCTV cameras and security personnel

    • Provide a user-friendly interface for customers to locate available spots and make payment

  • Answered by AI
Round 4 - Technical 

(2 Questions)

  • Q1. Rapid fire questions
  • Q2. More java springboot

Interview Preparation Tips

Interview preparation tips for other job seekers - medium level difficulty in the interview here.

Skills evaluated in this interview

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Housing.com Interview FAQs

How to prepare for Housing.com Front end 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 Housing.com. The most common topics and skills that interviewers at Housing.com expect are CSS, GraphQL, HTML, Javascript and Redux.

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