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BrowserStack Senior Front end Developer Interview Questions and Answers

Updated 4 Oct 2022

BrowserStack Senior Front end Developer Interview Experiences

1 interview found

I applied via LinkedIn and was interviewed in Sep 2022. There were 2 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 - Technical 

(3 Questions)

  • Q1. Technical round is over a zoom call and drills down your JS knowledge
  • Q2. Different between const and object.freeze
  • Ans. 

    const is used to declare a variable with a constant value, while object.freeze is used to make an object immutable.

    • const is used to declare a variable with a constant value that cannot be reassigned

    • object.freeze is used to make an object immutable, preventing any changes to its properties

    • const can be used with primitive types and objects, while object.freeze is only applicable to objects

    • const does not prevent changes t...

  • Answered by AI
  • Q3. Typeof typeof undefined

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus of JavaScript fundamentals, performance and react js fundamentals. Practice polyfills

Skills evaluated in this interview

Interview questions from similar companies

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

I applied via Referral and was interviewed before Jan 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Medium DSA leet code

Round 2 - Technical 

(2 Questions)

  • Q1. Js closures, polyfills
  • Q2. React based questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. What are states and props in React?
  • Ans. 

    States and props are important concepts in React for managing and passing data between components.

    • States are mutable data that can be changed within a component

    • Props are read-only data passed from parent to child components

    • States are managed within a component using setState() method

    • Props are accessed using this.props in a component

  • Answered by AI
  • Q2. What is Virtual DOM
  • Ans. 

    Virtual DOM is a lightweight copy of the actual DOM that allows for efficient updates and rendering in web applications.

    • Virtual DOM is a concept used in frameworks like React to improve performance by minimizing direct manipulation of the actual DOM.

    • When changes are made to the virtual DOM, a comparison is done with the actual DOM to determine the minimal updates needed for rendering.

    • This process helps reduce the numbe...

  • Answered by AI
  • Q3. Build a fetch and filter component
  • Ans. 

    A fetch and filter component for data retrieval and manipulation

    • Use fetch API to retrieve data from an API endpoint

    • Implement a filter function to manipulate the retrieved data based on user input

    • Display the filtered data in the UI

  • Answered by AI
Round 2 - Coding Test 

Javascript and React snippets

Interview Preparation Tips

Topics to prepare for LTIMindtree Senior Front end Developer interview:
  • Async
  • Javascript
  • React.Js

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is Hositing
  • Ans. 

    Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during the compilation phase.

    • Variable declarations are hoisted but not their initializations

    • Function declarations are fully hoisted

    • Hoisting can lead to unexpected behavior if not understood properly

  • Answered by AI
  • Q2. What is closure
  • Ans. 

    Closure is the combination of a function bundled together with references to its surrounding state.

    • Closure allows a function to access variables from its outer scope even after the outer function has finished executing.

    • It is created whenever a function is defined within another function.

    • Closure helps in maintaining the state of a function and allows for data encapsulation.

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Jan 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Basic components communication
  • Q2. Forms based questions
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Assignment 

They asked JS basics and Promises, hoisting

Round 2 - Coding Test 

Just asked about my work culture, as I worked in startup and product based company, they except me work in Agile and how u will adopt to MNC / service based company culture

Interview Questionnaire 

1 Question

  • Q1. React life cycle

I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Hr

Interview Preparation Tips

Interview preparation tips for other job seekers - You should be true to what you are putting before the interviewer . Try to put your ideas Add something you did well in your career like in projects /research which you know very well and versed in concepts about it for open interview so that interviewer can get bandwidth where he can ask questions from. This is simply a key .

Interview Questionnaire 

1 Question

  • Q1. HTML, CSS, BOOTSTRAP, PHP. SQL

I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. C++ basic
  • Q2. Hh
  • Q3. Yy

Interview Preparation Tips

Interview preparation tips for other job seekers - Hh
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BrowserStack Interview FAQs

How many rounds are there in BrowserStack Senior Front end Developer interview?
BrowserStack interview process usually has 2 rounds. The most common rounds in the BrowserStack interview process are Resume Shortlist and Technical.
What are the top questions asked in BrowserStack Senior Front end Developer interview?

Some of the top questions asked at the BrowserStack Senior Front end Developer interview -

  1. Different between const and object.fre...read more
  2. Technical round is over a zoom call and drills down your JS knowle...read more
  3. Typeof typeof undefi...read more

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