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KocharTech Mern Full Stack Developer Interview Questions, Process, and Tips

Updated 15 Jul 2024

KocharTech Mern Full Stack Developer Interview Experiences

1 interview found

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

(6 Questions)

  • Q1. Variables in javascript
  • Ans. 

    Variables in JavaScript are used to store data values.

    • Variables are declared using the 'var', 'let', or 'const' keywords.

    • Variables can store different types of data such as numbers, strings, arrays, objects, etc.

    • Variables can be reassigned with new values.

    • Variables are case-sensitive.

    • Example: var x = 5; let name = 'John'; const PI = 3.14;

  • Answered by AI
  • Q2. Event loop how works
  • Ans. 

    The event loop is a mechanism in JavaScript that allows for asynchronous operations to be executed in a non-blocking way.

    • Event loop is responsible for handling asynchronous operations in JavaScript.

    • It continuously checks the call stack and the callback queue to see if there are any functions that need to be executed.

    • If the call stack is empty, the event loop will take a function from the callback queue and push it onto...

  • Answered by AI
  • Q3. Virtual dom explaination
  • Q4. Controlled component
  • Q5. Event emmiter in nodejs
  • Ans. 

    Event emitter in Node.js is a module that allows objects to emit and listen for events.

    • Event emitter is a built-in module in Node.js

    • It allows objects to emit named events that cause Function objects to be called

    • Example: const EventEmitter = require('events');

    • Example: const myEmitter = new EventEmitter();

  • Answered by AI
  • Q6. How aggregation works on mongodb
  • Ans. 

    Aggregation in MongoDB is a framework for performing data processing operations on documents within a collection.

    • Aggregation pipeline stages allow for data transformation, filtering, sorting, grouping, and more

    • Operators like $match, $group, $project, $sort, $limit, $skip are commonly used in aggregation

    • Aggregation results can be output to a new collection, returned inline, or used for further processing

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Related to where do you see your self in 5 years
  • Q2. Agile process implementation

Skills evaluated in this interview

Interview questions from similar companies

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

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

Round 1 - Technical 

(2 Questions)

  • Q1. Tell me about yourself?
  • Ans. 

    I am a passionate Mern Full Stack Developer with experience in building web applications using React, Node.js, and MongoDB.

    • Experienced in developing responsive web applications using React, HTML, CSS, and JavaScript

    • Proficient in backend development with Node.js and Express

    • Skilled in database management with MongoDB

    • Familiar with version control systems like Git and deployment tools like Heroku

    • Strong problem-solving and

  • Answered by AI
  • Q2. Javascript basic coding outputs
Round 2 - HR 

(2 Questions)

  • Q1. Salary discussion
  • Q2. Job Re allacoation
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Duplicate value in a array
  • Ans. 

    Finding duplicate values in an array of strings

    • Iterate through the array and store each element in a hash set

    • If an element is already in the hash set, it is a duplicate

    • Return the duplicate values found

  • Answered by AI
Round 2 - Client Interview 

(2 Questions)

  • Q1. Generators In Javascript
  • Ans. 

    Generators in JavaScript are functions that can be paused and resumed, allowing for asynchronous programming.

    • Generators are defined using function* syntax.

    • They use the yield keyword to pause execution and return a value.

    • Generators can be iterated over using a for...of loop.

    • They are commonly used for asynchronous operations and managing state.

  • Answered by AI
  • Q2. Flatten a array without using inbuild functions
  • Ans. 

    Flatten an array without using inbuilt functions

    • Create a recursive function to iterate through the array elements

    • Check if each element is an array, if so, call the function recursively

    • Concatenate the elements into a new array

  • Answered by AI

Skills evaluated in this interview

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

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

Round 1 - Technical 

(1 Question)

  • Q1. Longest common substring in an array
  • Ans. 

    Find the longest common substring in an array of strings.

    • Iterate through each string in the array and compare with all other strings to find common substrings.

    • Keep track of the longest common substring found so far.

    • Return the longest common substring at the end.

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Explain Virtual DOM in React
  • Ans. 

    Virtual DOM in React is a lightweight copy of the actual DOM, used for efficient updates and rendering.

    • Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.

    • When changes are made to the UI, React compares the Virtual DOM with the actual DOM to identify the differences.

    • React then updates only the necessary parts of the actual DOM, minimizing the number of DOM manipulations for better p...

  • Answered by AI
  • Q2. How to optimise a React application
  • Ans. 

    Optimising a React application involves code splitting, lazy loading, using memoization, reducing unnecessary re-renders, and optimizing network requests.

    • Implement code splitting to load only necessary code for each route or component.

    • Use lazy loading to load components only when they are needed, reducing initial load time.

    • Utilize memoization techniques like useMemo and useCallback to prevent unnecessary re-renders.

    • Avo...

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Cache implementation in spring boot
  • Ans. 

    Spring Boot provides support for caching through annotations like @Cacheable, @CacheEvict, @CachePut.

    • Use @EnableCaching annotation to enable caching in Spring Boot application

    • Use @Cacheable annotation to cache the result of a method

    • Use @CacheEvict annotation to remove entries from the cache

    • Use @CachePut annotation to update the cache without interfering with the method execution

  • Answered by AI
  • Q2. Few coding questions

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

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

(1 Question)

  • Q1. 1)Core java concepts - encapsulation, inheritance, polymorphism, Abstration 2)Option class methods 3) Objcet methods 4)Java method reference. 5) Design Patterns
Round 3 - Technical 

(1 Question)

  • Q1. Design Patten, Rest APIs, Spring boot Configuration, Angular application testing strategy, AOT and JIT Diff

Interview Preparation Tips

Interview preparation tips for other job seekers - Total waste of time -
I completed 2 technical rounds and HR discussion with Rishita shimpi for pune location they discuss salary and joining date but didn't release offer letter. at the joining date movement they didn't respond so totally waste of time.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(2 Questions)

  • Q1. Tell me about yourself?
  • Ans. 

    I am a passionate Mern Full Stack Developer with experience in building web applications using React, Node.js, and MongoDB.

    • Experienced in developing responsive web applications using React, HTML, CSS, and JavaScript

    • Proficient in backend development with Node.js and Express

    • Skilled in database management with MongoDB

    • Familiar with version control systems like Git and deployment tools like Heroku

    • Strong problem-solving and

  • Answered by AI
  • Q2. Javascript basic coding outputs
Round 2 - HR 

(2 Questions)

  • Q1. Salary discussion
  • Q2. Job Re allacoation
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Based on technical stuffs
  • Q2. Given one system test

Interview Preparation Tips

Interview preparation tips for other job seekers - Try it some times you get through, interviewers are not more experience people. Even after clearing coding round they rejects for theoretical question which anyone can learn and clear.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Dependecy injection
  • Q2. Components of dot net framework
  • Ans. 

    The components of the .NET framework include Common Language Runtime (CLR), Base Class Library (BCL), and Framework Class Library (FCL).

    • Common Language Runtime (CLR) - manages code execution and provides services such as memory management and exception handling

    • Base Class Library (BCL) - provides a set of reusable classes, interfaces, and value types

    • Framework Class Library (FCL) - a collection of reusable classes, inter...

  • Answered by AI
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Coding Test 

SOLID, API Security, Git commands, Node.js basics

KocharTech Interview FAQs

How many rounds are there in KocharTech Mern Full Stack Developer interview?
KocharTech interview process usually has 2 rounds. The most common rounds in the KocharTech interview process are Technical and HR.
What are the top questions asked in KocharTech Mern Full Stack Developer interview?

Some of the top questions asked at the KocharTech Mern Full Stack Developer interview -

  1. How aggregation works on mong...read more
  2. event loop how wo...read more
  3. variables in javascr...read more

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KocharTech Mern Full Stack Developer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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