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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
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Apr 2022. There were 4 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 tips
Round 2 - Group Discussion 

Knowledge of listening

Round 3 - Technical 

(3 Questions)

  • Q1. Skills related and knowledge base
  • Q2. Skills need for Softwares and platform
  • Ans. 

    Skills required for software development depend on the platform and technology used.

    • Proficiency in programming languages such as Java, Python, C++, etc.

    • Knowledge of software development methodologies like Agile, Waterfall, etc.

    • Familiarity with software development tools like Git, JIRA, etc.

    • Understanding of database management systems like MySQL, Oracle, etc.

    • Ability to work with different operating systems like Windows,...

  • Answered by AI
  • Q3. Area of specialization.
  • Ans. 

    My area of specialization is web development with expertise in front-end technologies like React and Angular.

    • Expertise in front-end technologies like React and Angular

    • Proficient in back-end technologies like Node.js and Express

    • Experience in developing responsive and mobile-first web applications

    • Familiarity with database technologies like MongoDB and MySQL

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Location and salary negotiation

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jul 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. All questions were related to what was mentioned in JD.
  • Q2. Interview went for 1 hour and it was taken by 3 people. One manager and 2 technical persons.

Interview Preparation Tips

Interview preparation tips for other job seekers - Not so difficult. Prepare well what is mentioned in JD. Notice period in this company is 1 day during probation.
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Reverse the string
  • Ans. 

    Reverse a given string

    • Use a loop to iterate through the characters of the string

    • Append each character to a new string in reverse order

    • Return the reversed string

  • Answered by AI
  • Q2. Merge sort on infinite linklist
  • Ans. 

    Merge sort cannot be directly applied to an infinite linked list due to its divide and conquer nature.

    • Merge sort requires dividing the list into smaller sublists, which is not possible with an infinite linked list.

    • One approach is to break the infinite linked list into finite chunks, sort each chunk using merge sort, and then merge the sorted chunks.

    • Another approach is to use a different sorting algorithm that can handl...

  • Answered by AI
  • Q3. Operating systems
  • Q4. System designing
  • Q5. Object oriented programming

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
-
Round 1 - Coding Test 

Algorithm to create a Linked List.

Round 2 - Technical 

(1 Question)

  • Q1. Project and past exprience related interview

I applied via Naukri.com and was interviewed before Jun 2021. 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 tips
Round 2 - Technical 

(1 Question)

  • Q1. Ask everything about Codes. Good codal knowledge required

Interview Preparation Tips

Interview preparation tips for other job seekers - Read all important codes before interview.
Interview experience
1
Bad
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. What is the SBC (Soil Bearing Capacity) of Adyar?
  • Ans. 

    The Soil Bearing Capacity of Adyar varies depending on the specific location and soil composition.

    • Soil bearing capacity is typically measured in terms of pressure per unit area that the soil can support without failure.

    • Factors affecting soil bearing capacity include soil type, moisture content, compaction, and depth.

    • For Adyar, the soil bearing capacity can range from 1000 to 5000 kN/m^2 depending on the specific locati

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Shear Force And Bending moment
  • Q2. Related to previous experience

I applied via Walk-in and was interviewed in May 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Regarding your project
  • Q2. Explaining the work you have done so far

Interview Preparation Tips

Interview preparation tips for other job seekers - Know your project very well. Work in American code is added benefit.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Dec 2022. 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 tips
Round 2 - HR 

(1 Question)

  • Q1. Probably HR ask about your Job Profile, ask to relocate the place, if you match with all the terms and conditions....they arrange the Virtual interview
Round 3 - Technical 

(2 Questions)

  • Q1. All basic conceptual topic of steel structure design....Base plate design fixed base..... American code study Questions...
  • Q2. Mostly ask about Earthquake load and wind load calculation as per American code.......What is sway non-sway frame....ask about Lateral Torsional buckling.

Interview Preparation Tips

Interview preparation tips for other job seekers - Study about American codes.....wind load and earthquake load calculation.... should have an Idea about structural member alignment it's orientation so to minimise instability of structure

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
  3. What is scope in JavaScri...read more

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