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J&F Mean Stack Developer Interview Questions and Answers

Updated 22 Oct 2021

J&F Mean Stack Developer Interview Experiences

1 interview found

I applied via Recruitment Consultant and was interviewed in Sep 2021. There were 7 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. What is routing guard in Angular?
  • Ans. 

    Routing guard is a feature in Angular that allows to control access to certain routes based on certain conditions.

    • Routing guard can be used to prevent unauthorized access to certain routes.

    • It can be used to check if the user is authenticated or not before allowing access to a route.

    • There are two types of routing guards in Angular: CanActivate and CanActivateChild.

    • CanActivate is used to guard a single route while CanAct...

  • Answered by AI
  • Q2. What is scope in JavaScript?
  • Ans. 

    Scope determines the accessibility of variables and functions in JavaScript.

    • Variables declared with var keyword have function scope.

    • Variables declared with let and const keywords have block scope.

    • Global variables have global scope.

    • Functions can access variables in their own scope and any outer scope.

    • Closure allows inner functions to access variables in their outer function's scope.

  • Answered by AI
  • Q3. How does the centralized workflow work?
  • Ans. 

    Centralized workflow involves a single repository for code and a linear flow of changes.

    • All changes are made to a single repository

    • Changes are reviewed and approved before being merged

    • Changes are merged in a linear flow

    • Allows for easier collaboration and tracking of changes

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It was quite tough but hence you have the chance to crack it.

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Telle about yourself
  • Ans. 

    I am a passionate software developer with experience in Java, Python, and web development.

    • Experienced in Java, Python, and web development technologies

    • Strong problem-solving skills

    • Familiar with Agile methodologies

    • Worked on projects involving database management systems

    • Continuous learner and always looking to improve

  • Answered by AI
  • Q2. Deep knowledge in node js
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 Mar 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic level of Q asked based on math ,english and programming

Round 2 - Coding Test 

Easy to medium level 7 Q asked and minimum 4 is compulsory for crack next round

Round 3 - One-on-one 

(1 Question)

  • Q1. It was like personal interview asked about familiy background and all

I applied via Naukri.com

Interview Questionnaire 

2 Questions

  • Q1. Open personal email in some remote desktop
  • Q2. Never ever do it.

Interview Preparation Tips

Interview preparation tips for other job seekers - Scammers Alert : Online technical test conducted by 3rd party (BIM Era) is terrible.
They ask us to connect to their remote desktop via AnyDesk and ask us to login and open our personal email id in the remote desktop.

Even LnT HR asserts on doing the same. - PRIVACY RIPPED.

As for the LnT team is considered, I would like to ask if LnT company policies provides permission for their employees, if they can login with their work credentials and open work email outside company provided computers on some random Remote Desktops.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Be strong at basics mostly questions come on same

Round 2 - Coding Test 

Basic coding related to oops and some basic programms

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

Noramal basic algorithm and ,fetch api

Round 2 - Technical 

(1 Question)

  • Q1. React alll basic question,redux,class component,functional component
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

30 mins 20 questions

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. List, tuple Decorators
  • Q2. What is the process for removing duplicates from a list?
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. What is java script
  • Ans. 

    JavaScript is a high-level, interpreted programming language used for creating interactive websites and web applications.

    • JavaScript is commonly used for client-side web development.

    • It can be used to add interactivity to websites, such as form validation, animations, and dynamic content.

    • JavaScript can also be used for server-side development with Node.js.

    • Examples of JavaScript frameworks/libraries include React, Angular

  • Answered by AI
  • Q2. What is HTML and why we use it?
  • Ans. 

    HTML is a markup language used for creating and structuring web pages.

    • HTML stands for HyperText Markup Language.

    • It is used to create the structure of web pages by using tags.

    • Tags are enclosed in angle brackets, like <tag>.

    • Example: <h1>This is a heading</h1>

    • HTML elements can include text, images, links, and more.

  • Answered by AI
Round 2 - Case Study 

Diploma in computer science

Interview experience
5
Excellent
Difficulty level
-
Process Duration
More than 8 weeks
Result
-

I applied via Naukri.com

Round 1 - HR 

(1 Question)

  • Q1. Introducing and personality
Round 2 - Group Discussion 

Technical questions about the Revit and MEP

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J&F Interview FAQs

What are the top questions asked in J&F Mean Stack Developer interview?

Some of the top questions asked at the J&F Mean Stack Developer interview -

  1. What is routing guard in Angul...read more
  2. How does the centralized workflow wo...read more
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