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K12 Techno Services Front end Developer Interview Questions and Answers

Updated 21 Oct 2024

K12 Techno Services Front end Developer Interview Experiences

2 interviews found

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

I applied via Recruitment Consulltant

Round 1 - Technical 

(1 Question)

  • Q1. What is the difference between library and framework
  • Ans. 

    A library is a collection of functions or classes that can be called by an external program, while a framework is a set of rules and guidelines that help in creating an application.

    • Library is used for specific functionalities, while framework provides overall structure

    • In libraries, the flow of control is determined by the caller, while in frameworks, the flow of control is determined by the framework itself

    • Examples of ...

  • Answered by AI
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. Javascript questions
  • Q2. Have idea how to fetch Data from an API
  • Ans. 

    Yes, by using AJAX or Fetch API to make a request to the API endpoint and handle the response data.

    • Use AJAX or Fetch API to make a request to the API endpoint

    • Handle the response data by parsing it in JSON format

    • Display the fetched data on the front end as needed

  • Answered by AI
  • Q3. React Question basics not hard

Skills evaluated in this interview

Front end Developer Interview Questions Asked at Other Companies

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Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(2 Questions)

  • Q1. They have asked about my resume or working experience. how i implemented those features
  • Q2. Merge 2 array and sort in ascending order in JS, use Effect Hooks, Debouncing, Throttling, about API integration, how u fetched and make faster API call.

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well from your resume, i am given it on year feb 2024,for less than 3 year exp, practice JS interw question and hooks and React,js Question. mine was Face to face interview at noida,they called me with my laptop, the only drawback
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Very good all angular related question
  • Q2. Rxjs concepts subjects
  • Q3. Angular life cycle hooks
  • Q4. How to use fork join
  • Ans. 

    Fork join is a technique used in parallel programming to divide a task into smaller subtasks and then combine the results.

    • Fork join is commonly used in multi-threading or concurrent programming.

    • It allows multiple threads to work on different parts of a task simultaneously.

    • Once all the subtasks are completed, the results are combined to get the final result.

    • Fork join can improve performance by utilizing the available re...

  • Answered by AI
  • Q5. RESTand SPREAD operators

Skills evaluated in this interview

I applied via Indeed and was interviewed in Feb 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic questions in html,css,JavaScript

Interview Preparation Tips

Interview preparation tips for other job seekers - Try to learn basic important interview questions in html,css,JavaScript and better to have a project in hand using front end technology will be added advantage you will surely get placed in the company.the company has a very good atmosphere and i think it will be a good environment to learn and develop yourself.
Interview experience
2
Poor
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
No response

I applied via Walk-in and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. Asked about lazy loading ?
  • Q2. What do you mean by denouncing?
  • Ans. 

    Denouncing refers to publicly declaring something as wrong or evil.

    • Denouncing is the act of condemning or criticizing something publicly.

    • It is often done to express disapproval or to call attention to a wrongdoing.

    • Examples include denouncing acts of violence, discrimination, or corruption.

    • Denouncing can also be used in political contexts to criticize policies or actions of a government.

  • Answered by AI
  • Q3. How redux state are cleaned ?
  • Ans. 

    Redux state can be cleaned by dispatching an action to reset the state to its initial values.

    • Dispatching an action with type 'RESET_STATE'

    • Updating the reducer to return the initial state when 'RESET_STATE' action is dispatched

  • Answered by AI
  • Q4. Sorting the array
  • Q5. Make pagination and sorting coding questions.
Round 2 - Technical 

(4 Questions)

  • Q1. How Netflix video loading works it was of system design
  • Ans. 

    Netflix uses a content delivery network (CDN) to efficiently load videos based on user location and network conditions.

    • Netflix uses a distributed network of servers to store and deliver video content closer to users for faster loading times.

    • Content is cached on servers located in various regions to reduce latency and improve streaming quality.

    • Netflix employs adaptive bitrate streaming to adjust video quality based on a...

  • Answered by AI
  • Q2. How can we download csv file of more then 1000mb and show the data that is downloaded while downloading?
  • Ans. 

    To download a large CSV file (>1000mb) and show the data while downloading, use streaming and pagination techniques.

    • Implement streaming to download the file in chunks instead of all at once.

    • Use pagination to display the downloaded data in parts as it is being downloaded.

    • Consider using libraries like PapaParse for parsing CSV data efficiently.

    • Show a progress bar or indicator to inform the user about the download status.

  • Answered by AI
  • Q3. Pattern question
  • Q4. React assingment

Interview Preparation Tips

Interview preparation tips for other job seekers - They will say one round and can take multiple rounds. Also some question is second round will be out of your mind like I mentioned above

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(2 Questions)

  • Q1. They have asked about my resume or working experience. how i implemented those features
  • Q2. Merge 2 array and sort in ascending order in JS, use Effect Hooks, Debouncing, Throttling, about API integration, how u fetched and make faster API call.

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well from your resume, i am given it on year feb 2024,for less than 3 year exp, practice JS interw question and hooks and React,js Question. mine was Face to face interview at noida,they called me with my laptop, the only drawback
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Jan 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 - Coding Test 

DSA, React, JavaScript, Rest API, Redux, VUE js,

Round 3 - Technical 

(2 Questions)

  • Q1. What is virtual DOM?
  • Ans. 

    Virtual DOM is a lightweight copy of the actual DOM used for efficient updates.

    • Virtual DOM is a concept used in React to improve performance.

    • It is a lightweight copy of the actual DOM.

    • It is used to minimize the number of updates needed to be made to the actual DOM.

    • When a change is made to the virtual DOM, React compares it with the previous version and only updates the necessary changes to the actual DOM.

    • This results i...

  • Answered by AI
  • Q2. What is Redux?How to implement Redux?
  • Ans. 

    Redux is a predictable state container for JavaScript apps.

    • Redux is a state management library for JavaScript applications.

    • It helps in managing the state of an application in a predictable way.

    • Redux follows a unidirectional data flow pattern.

    • To implement Redux, we need to define actions, reducers, and a store.

    • Actions are plain JavaScript objects that describe what happened.

    • Reducers specify how the application's state c...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Practice DSA more if you want to work in a product base company. Be confident, and take time to understand the question.

Skills evaluated in this interview

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

I applied via Company Website and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - Technical 

(5 Questions)

  • Q1. Very good all angular related question
  • Q2. Rxjs concepts subjects
  • Q3. Angular life cycle hooks
  • Q4. How to use fork join
  • Ans. 

    Fork join is a technique used in parallel programming to divide a task into smaller subtasks and then combine the results.

    • Fork join is commonly used in multi-threading or concurrent programming.

    • It allows multiple threads to work on different parts of a task simultaneously.

    • Once all the subtasks are completed, the results are combined to get the final result.

    • Fork join can improve performance by utilizing the available re...

  • Answered by AI
  • Q5. RESTand SPREAD operators

Skills evaluated in this interview

I applied via Indeed and was interviewed in Feb 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic questions in html,css,JavaScript

Interview Preparation Tips

Interview preparation tips for other job seekers - Try to learn basic important interview questions in html,css,JavaScript and better to have a project in hand using front end technology will be added advantage you will surely get placed in the company.the company has a very good atmosphere and i think it will be a good environment to learn and develop yourself.

K12 Techno Services Interview FAQs

How many rounds are there in K12 Techno Services Front end Developer interview?
K12 Techno Services interview process usually has 1 rounds. The most common rounds in the K12 Techno Services interview process are Technical.
How to prepare for K12 Techno Services Front end Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at K12 Techno Services. The most common topics and skills that interviewers at K12 Techno Services expect are Javascript, React.Js, HTML, CSS and Webpack.
What are the top questions asked in K12 Techno Services Front end Developer interview?

Some of the top questions asked at the K12 Techno Services Front end Developer interview -

  1. What is the difference between library and framew...read more
  2. Have idea how to fetch Data from an ...read more
  3. React Question basics not h...read more

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K12 Techno Services Front end Developer Interview Process

based on 2 interviews

Interview experience

3.5
  
Good
View more
K12 Techno Services Front end Developer Salary
based on 24 salaries
₹2.8 L/yr - ₹9 L/yr
12% more than the average Front end Developer Salary in India
View more details

K12 Techno Services Front end Developer Reviews and Ratings

based on 3 reviews

4.7/5

Rating in categories

4.7

Skill development

4.1

Work-life balance

4.1

Salary

4.1

Job security

4.1

Company culture

4.5

Promotions

4.7

Work satisfaction

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