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BookMyShow Front end Developer Interview Questions and Answers

Updated 22 Nov 2024

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Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - Technical 

(4 Questions)

  • Q1. What is react.js? Ans: React.js is javascript library used for building the UI components.
  • Ans. 

    React.js is a JavaScript library used for building user interfaces by creating reusable UI components.

    • React.js allows developers to create interactive user interfaces efficiently.

    • It uses a virtual DOM for optimal performance by updating only the necessary components.

    • React components can be reused across different parts of an application.

    • It follows a unidirectional data flow, making it easier to manage state and data.

    • Re...

  • Answered by AI
  • Q2. What is JavaScript? Ans: javaScript is type free language that means to declare the variable we don't any specific datatype and values. javascript is a dynamic type language.
  • Q3. Why javascript is Dynamic language? Ans: The type of variable is dynamically changed based on the its current value. that is the reason the javascript is treated as as dynamic language.
  • Ans. 

    JavaScript is considered a dynamic language because variables can change types based on their current value.

    • Variables in JavaScript can hold different types of values at different times

    • The type of a variable is determined at runtime, not at compile time

    • Dynamic typing allows for flexibility and ease of use in JavaScript programming

    • Example: a variable can start as a number and then be reassigned as a string

  • Answered by AI
  • Q4. How to run the jscode? Ans: In terminal type the node filename.js
Round 2 - HR 

(2 Questions)

  • Q1. Why should i hire you? Ans: you should hire me because of i have great skills on the frontend development. and improve the organizations standard with my work and skills.
  • Q2. What is salary expection per annum? Ans: upto 600000
  • Ans. 

    My salary expectation is up to 600,000 per annum based on my experience and skills.

    • Consider factors such as experience, skills, industry standards, and location when determining salary expectations.

    • Research average salaries for front end developers in your area to ensure your expectations are realistic.

    • Be prepared to negotiate and discuss other benefits in addition to salary.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Tracxn Front end Developer interview:
  • Html5
  • CSS3
  • React.Js
  • Bootstrap
  • Javascript
Interview preparation tips for other job seekers - no

Skills evaluated in this interview

I was interviewed in Aug 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 Minutes
Round difficulty - Easy

1 coding question which was quite easy. Some MCQ that includes basic questions related to html, css, javascript, oops, dbms and output.

  • Q1. 

    LRU Cache Design Question

    Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    1. get(key) - Return the value of the key if it exists in the cache; otherw...

  • Ans. 

    Design a Least Recently Used (LRU) cache data structure that supports get and put operations with a given capacity.

    • Implement a doubly linked list to keep track of the order of keys based on their recent usage.

    • Use a hashmap to store key-value pairs for quick access and updates.

    • When capacity is reached, evict the least recently used item before inserting a new one.

    • Update the order of keys in the linked list whenever a ke

  • Answered by AI
Round 2 - Coding Test 

(2 Questions)

Round duration - 90 Minutes
Round difficulty - Easy

easy round. Had some frontend questions related to html ,css, js , etc Explain Closures in JavaScript. In how many ways can we specify the CSS styles for the HTML element?

  • Q1. 

    String Palindrome Verification

    Given a string, your task is to determine if it is a palindrome considering only alphanumeric characters.

    Input:

    The input is a single string without any leading or trailing...
  • Ans. 

    Check if a given string is a palindrome considering only alphanumeric characters.

    • Remove non-alphanumeric characters from the input string.

    • Compare the string with its reverse to check for palindrome.

    • Handle edge cases like empty string or single character input.

    • Use two pointers approach for efficient comparison.

  • Answered by AI
  • Q2. DBMS Questions

    normalization, indexing

  • Ans. 

    Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity. Indexing is a technique to quickly retrieve data from a database.

    • Normalization helps in reducing data redundancy by breaking down tables into smaller, related tables.

    • Indexing is used to quickly retrieve data by creating indexes on columns in a table.

    • Normalization ensures data integrity by minimizing data dupli...

  • Answered by AI
Round 3 - Video Call 

(3 Questions)

Round duration - 120 Minutes
Round difficulty - Hard

late at 8.00 pm

  • Q1. 

    Priority CPU Scheduling Problem

    Given 'N' processes with their “burst times”, where the “arrival time” for all processes is ‘0’, and the ‘priority’ of each process, your task is to compute the “waiting ti...

  • Ans. 

    Implement Priority CPU Scheduling algorithm to compute waiting time and turn-around time for processes.

    • Implement a function that takes in burst times, priorities, and number of processes as input

    • Sort the processes based on priority, with lower process ID as tiebreaker

    • Calculate waiting time and turn-around time for each process based on the scheduling algorithm

  • Answered by AI
  • Q2. Can you explain the concept of data spooling in operating systems?
  • Ans. 

    Data spooling is a process where data is temporarily stored in a buffer before being sent to an output device.

    • Data spooling helps in managing the flow of data between different devices by storing it temporarily.

    • It allows for efficient processing of data by decoupling the input/output operations.

    • Examples of data spooling include print spooling, where print jobs are stored in a queue before being sent to the printer.

  • Answered by AI
  • Q3. What is the difference between inheritance and generalization in the context of database management systems?
  • Ans. 

    Inheritance is a relationship between a superclass and subclass, while generalization is a relationship between entities with common characteristics.

    • Inheritance involves a parent-child relationship where the child class inherits attributes and methods from the parent class.

    • Generalization involves grouping entities with common attributes into a higher-level entity.

    • Inheritance is a specific form of generalization in obje...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Frontend Developer in GurgaonEligibility criteriaabove 8 CGPAPaytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - DATA STRUCTURES, OOPS, DBMS, NETWORKING, ALGORITHMSTime required to prepare for the interview - 1 monthInterview preparation tips for other job seekers

Tip 1 : be confident
Tip 2 : make sure to talk less
Tip 3 : give precise answer

Application resume tips for other job seekers

Tip 1 : mention only relevant things
Tip 2 : be precise

Final outcome of the interviewRejected

Skills evaluated in this interview

I was interviewed in Dec 2017.

Interview Questionnaire 

3 Questions

  • Q1. You need to find the maximum water pond formed in bw the building
  • Ans. 

    To find the maximum water pond formed between buildings.

    • Identify the lowest point between the buildings.

    • Calculate the area of the pond using the distance between the buildings and the depth of the pond.

    • Consider any obstacles or uneven ground that may affect the pond's shape.

    • Use a surveying tool or satellite imagery to get accurate measurements.

    • Take into account any drainage systems or natural water flow that may affect

  • Answered by AI
  • Q2. On mars you have to place n robots and they are connected via GPS. now you need to move each robot such that the whole mars is visited and each robot visit the minimum area(meaning no overlapping of area)...
  • Q3. Design dictionary using trie....having operations of inserting a word, updating and deleting (needed to write full running code)
  • Ans. 

    Design a dictionary using trie with insert, update and delete operations.

    • Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word

    • For insert operation, traverse the trie and add nodes for each character in the word

    • For update operation, delete the existing word and insert the updated word

    • For delete operation, mark the end of word flag as false and delete the node if it ...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Simple questions
Duration: 1 hour 10 minutes
Total Questions: 3

College Name: IIT Guwahati

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 Preparation Tips

Round: Test
Experience: There were 3 Questions . One on String manipulation and two were on Binary Trees. All were easy but there was time constraint.
Tips: Practice as many question as possible.
Duration: 60 minutes
Total Questions: 3

Round: Technical Interview
Experience: I was given the problem to design a car pooling system complete with the required classes .. data structures which would be used ... how the database would look like etc..
Tips: General understanding of databases and OOP concepts would do.

Round: Technical Interview
Tips: Be thorough and have in-depth knowledge of each and every point of your resume.

College Name: BITS Pilani

Interview Questionnaire 

21 Questions

  • Q1. Discussion of previous written test questions
  • Q2. Find the odd repeating element from a set of repeating elements
  • Ans. 

    Find the odd repeating element from an array of strings

    • Use a hash table to count the frequency of each element

    • Iterate through the hash table to find the element with an odd count

  • Answered by AI
  • Q3. A 2D matrix is given which is row wise and column wise sorted. Find a particular element from it
  • Ans. 

    Finding an element in a sorted 2D matrix

    • Start from the top right corner or bottom left corner

    • Compare the target element with the current element

    • Move left or down if the target is smaller, else move right or up

    • Repeat until the target is found or all elements are checked

  • Answered by AI
  • Q4. SQL Query to find Nth highest salary from table
  • Ans. 

    SQL query to find Nth highest salary from table

    • Use ORDER BY and LIMIT clauses

    • Use subquery to get the Nth highest salary

    • Handle cases where there are less than N distinct salaries

  • Answered by AI
  • Q5. Another basic SQL query
  • Q6. Write a function that returns '3' when '4' is passed as an input and vice versa without using if-else condition
  • Ans. 

    Function to swap '3' and '4' without using if-else

    • Use XOR operator to swap the values

    • Convert the input to ASCII code and perform the swap

    • Use a lookup table to map the values

  • Answered by AI
  • Q7. Question on Suffix trees
  • Q8. Question on Tries
  • Q9. Question on Ternary search trees
  • Q10. Question on hash maps
  • Q11. Question on complexity of an algorithm
  • Q12. 3-4 SQL queries
  • Q13. Question on SQL joins
  • Q14. JAVA questions on static block,static function and static variables
  • Q15. JAVA questions on memory initialization and references
  • Q16. Puzzle on measuring exactly half a glass of water
  • Q17. Introduce yourself
  • Ans. 

    I am a software developer with experience in Java and Python.

    • Proficient in Java and Python programming languages

    • Experience in developing web applications using Spring framework

    • Familiarity with database management systems like MySQL and MongoDB

  • Answered by AI
  • Q18. Why PAYTM?
  • Ans. 

    PAYTM is a leading digital payment platform in India with a wide range of services.

    • PAYTM has a user-friendly interface and offers a seamless payment experience.

    • It provides a variety of services like mobile recharges, bill payments, and online shopping.

    • PAYTM has a strong focus on security and fraud prevention measures.

    • It has a large user base and is widely accepted by merchants across India.

    • PAYTM is constantly innovatin...

  • Answered by AI
  • Q19. Will you go for further studies?
  • Ans. 

    Yes, I am open to pursuing further studies in the future.

    • I believe in continuous learning and staying updated with the latest technologies.

    • Further studies can help me specialize in a particular field and enhance my skills.

    • I may consider pursuing a master's degree in computer science or a related field.

    • However, my immediate focus is on gaining practical experience and contributing to the organization.

  • Answered by AI
  • Q20. Why do you think has PAYTM grown so fast?
  • Ans. 

    PAYTM grew fast due to its innovative approach and early adoption of digital payments.

    • Early adoption of digital payments in India

    • Innovative approach with features like mobile recharges, bill payments, and cashback offers

    • Expansion into e-commerce and financial services

    • Strategic partnerships with major companies like Uber and Alibaba

  • Answered by AI
  • Q21. (looking at my CGPA of 9) You can get a better company. Then Why PAYTM only?

Interview Preparation Tips

Round: Test
Experience: there were 20 mcqs and 2 coding questions. It was a pen and paper test. We were given 1 hour to solve it. The mcqs were of average difficulty. The 2 coding questions were:
1. A variation of the standard Josephus Problem
2. Find the 'x' largest elements from 'n' input elements without using sorting.
Tips: They focus on algorithms not on complete solutions. Do not leave any question unattempted. If you do not know the exact approach then use Brute-Force approach.

Round: Technical Interview
Experience: The Interviewer was very nice. He was focussing on the approach used not on codes.
Tips: Be calm and think by basics :)

Round: Technical Interview
Experience: The interviewer asked high level data structures in this round. But again he saw the approach used and not exact solution
Tips: Don't give up. Tell whatever you know

Round: Technical Interview
Experience: JAVA questions were based on very detailed concepts. Study OOP properly.
Tips: Maintain your calm :)

Round: HR Interview
Experience: Overall the experience was nice and smooth.
Tips: If they allow you to ask them any question then ask them something about the company. They should find you interested in the company :)

General Tips: Just be cool. Show them you are enthusiastic to learn and work. While prepration focus on Basics and Algorithms. Prepare DBMS nicely too :)
Skill Tips: Have full knowledge about your projects
Skills: JAVA, Data Structures, Operating systems, Network Programming, DBMS
College Name: NIT Jalandhar
Motivation: PAYTM is a perfect mix for the dynamic startup culture and stability of a big organiztaion. PAYTM has an amazing work culture and excellent opportunities for growth

Skills evaluated in this interview

Interview Preparation Tips

Skills: Algorithm, Java, Data structure
College Name: na

I was interviewed before Sep 2020.

Round 1 - Face to Face 

Round duration - 45 minutes
Round difficulty - Medium

I applied thorough LinkedIn and got a call from HR for the interview.
I went to their Noida Office.
First round was mainly focused on Javascript fundamentals.
Interviewer was also friendly.

Round 2 - Face to Face 

(2 Questions)

Round duration - 1 hour
Round difficulty - Medium

Second round was after 15 minutes of the first round. The focus of this round was DS & Algorithms.

  • Q1. 

    Find Subarray with Given Sum

    Given an array ARR of N integers and an integer S, determine if there exists a subarray (of positive length) within the given array such that the sum of its elements equals S....

  • Ans. 

    Given an array and a target sum, find a subarray that sums up to the target sum.

    • Iterate through the array while keeping track of the running sum and the starting index of the subarray.

    • Use a hashmap to store the running sum and its corresponding index.

    • If the running sum - target sum is found in the hashmap, it means a subarray with the target sum exists.

    • Return the starting and ending indices of the subarray or [-1, -1]

  • Answered by AI
  • Q2. 

    Minimum Number of Platforms Required

    You are provided with two arrays, AT and DT, representing the arrival and departure times of all trains arriving at a railway station.

    Your task is to determine the m...

  • Ans. 

    This question asks to find the minimum number of platforms required at a railway station so that no train needs to wait.

    • Sort the arrival and departure times arrays in ascending order.

    • Initialize a variable 'platforms' to 1 and 'maxPlatforms' to 1.

    • Iterate through the arrival and departure times arrays simultaneously.

    • If the current arrival time is less than or equal to the current departure time, increment 'platforms'.

    • If ...

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 30 minutes
Round difficulty - Easy

  • Q1. What JavaScript questions did he ask you during the managerial round, and can you describe the work culture of his team?
  • Ans. 

    The interviewer asked about JavaScript questions and the work culture of the team during the managerial round.

    • JavaScript questions related to closures, prototypes, event handling, and asynchronous programming may have been asked.

    • Work culture may involve collaboration, innovation, agile methodologies, and continuous learning.

    • Examples of work culture could include regular team meetings, code reviews, hackathons, and ment

  • Answered by AI
Round 4 - Face to Face 

Round duration - 15 minutes
Round difficulty - Easy

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in NoidaEligibility criteriaI applied for Frontend role so Javascript was needed.Paytm (One97 Communications Limited) interview preparation:Topics to prepare for the interview - JavaScript,React.js,Java,Node.js,DS & Algo,Time required to prepare for the interview - 1 monthInterview preparation tips for other job seekers

Tip 1 : Be strong at your basics.
Tip 2 : Don't hesitate to ask questions to interviewer.
Tip 3 : Prepare good for DS & Algo as most companies have a separate round for it.

Application resume tips for other job seekers

Tip 1: If possible make 1 page resume
Tip 2: Don't put too many things. Keep it simple. If you're a fresher and have good projects, do put them before your academic section.
Tip 3: Be ready to explain everything you have in your resume.

Final outcome of the interviewSelected

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 in Jun 2022. There were 3 interview rounds.

Round 1 - Coding Test 

Consists of 5 questions of DSA
1 Knapsack, 1 bitwise, 1 string , 1 basic mathematics, 1 dynamic programming

Round 2 - Technical 

(1 Question)

  • Q1. Based on Coding question and dbms and question based on resume.
Round 3 - Technical 

(1 Question)

  • Q1. Recursive approach for printing prime number It was taken by CTO of company

Interview Preparation Tips

Topics to prepare for Zolo Software Developer interview:
  • Data Structures
  • DBMS
  • OS
Interview preparation tips for other job seekers - Overall interview is easy and supportive you will get a lot of time to think your approach and explain your approach

BookMyShow Interview FAQs

How many rounds are there in BookMyShow Front end Developer interview?
BookMyShow interview process usually has 1 rounds. The most common rounds in the BookMyShow interview process are Technical.

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BookMyShow Front end Developer Interview Process

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Interview experience

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Excellent
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BookMyShow Front end Developer Salary
based on 6 salaries
₹10.2 L/yr - ₹23.9 L/yr
190% more than the average Front end Developer Salary in India
View more details

BookMyShow Front end Developer Reviews and Ratings

based on 2 reviews

4.0/5

Rating in categories

4.0

Skill development

3.5

Work-life balance

2.1

Salary

2.5

Job security

3.1

Company culture

3.0

Promotions

3.5

Work satisfaction

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