Add office photos
Filter interviews by
Onetech Ventures Mern Full Stack Developer Interview Questions, Process, and Tips
Onetech Ventures Mern Full Stack Developer Interview Experiences
1 interview found
Sharayu Pawar
I applied via Company Website and was interviewed in Sep 2024. There was 1 interview round.
(7 Questions)
- Q1. Write a code to increment counter using redux store
- Ans.
Increment counter using Redux store in Mern Full Stack Developer interview
Create a Redux action to increment the counter
Define a Redux reducer to handle the action and update the state
Connect the component to the Redux store and dispatch the action
- Q2. Flow of redux store
- Ans.
Flow of redux store involves actions being dispatched, reducers updating the state, and components subscribing to the updated state.
Actions are dispatched by components or middleware
Reducers receive the actions and update the state immutably
Components subscribe to the updated state using mapStateToProps
- Q3. Difference between useMemo and useCallback
- Ans.
useMemo is used to memoize a value, while useCallback is used to memoize a function.
useMemo is used to memoize a value and recompute it only when its dependencies change.
useCallback is used to memoize a function and recompute it only when its dependencies change.
Example: useMemo can be used to memoize the result of a costly computation, while useCallback can be used to memoize a callback function passed to a child comp
- Q4. Difference between slice and splice
- Ans.
Slice is a method that returns a shallow copy of a portion of an array into a new array, while splice is a method that changes the contents of an array by removing or replacing existing elements.
Slice does not modify the original array, while splice does.
Slice takes two arguments - start and end index, while splice takes three arguments - start index, number of elements to remove, and optional elements to add.
Example: ...
- Q5. What is event loop?
- Ans.
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 allows for non-blocking execution of code by continuously checking the call stack and the callback queue.
Event loop processes tasks in a queue and executes them one by one.
Example: setTimeout() function in JavaScript uses eve...
- Q6. Is Node js multi threaded?
- Ans.
No, Node.js is single-threaded.
Node.js uses an event-driven, non-blocking I/O model which makes it single-threaded.
It utilizes the event loop to handle multiple requests efficiently.
However, Node.js can still leverage multi-core systems by spawning child processes.
- Q7. Can write code for authentication using JWT
- Ans.
Yes, I can write code for authentication using JWT.
Generate a JWT token upon successful login
Verify the JWT token on subsequent requests
Set expiration time for JWT tokens to enhance security
Interview Preparation Tips
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Full Stack Software Developer Interview Questions & Answers
Deloitte
Anonymous
posted on 27 Dec 2024
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(1 Question)
- Q1. Too much focus on theory questions. Like how would you link multiple middleware - write code for that
Full Stack Developer Interview Questions & Answers
EXL Service
deepak aggarwal
posted on 26 Dec 2024
(1 Question)
- Q1. Ask questions related to CSS, Javascript, React, Node and Cloud stuff
Full Stack Developer Interview Questions & Answers
Virtusa Consulting Services
Anonymous
posted on 12 Jan 2025
On campus aptitude test
(1 Question)
- Q1. About oops concepts and java questions
(1 Question)
- Q1. Discussion about location and why virtusa
I applied via Naukri.com and was interviewed in Oct 2024. There were 2 interview rounds.
Quantitative , figure ,mcq question based on tech stack and 2 coding question which are basic. 90 minute time limit.
(2 Questions)
- Q1. Angular question
- Q2. .net question and sql question
I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.
Regarding To My Full Stack
Regarding To My Full Stack
(2 Questions)
- Q1. What Is Python And Discuss With Some Questions
- Q2. In that Case Studies
(2 Questions)
- Q1. Hibernate internal working
- Q2. Group BY in DBMS
I was interviewed in Sep 2023.
(1 Question)
- Q1. Basic intro with work experience and skillset
(4 Questions)
- Q1. After a quick intro jumped into coding - it was an easy DSA question which unfortunately i wasn't able to solve in best time complexity. - find 2nd max element in an array (this was in JS language) you ca...
- Q2. Alot of questions on vanilla JS
- Q3. Asked if i know mongoDB as its a full stack dev role - which i didnt knew so i said not prepared as of now
- Q4. Asked React questions - higher order component, hooks, useeffect, prepare lifecycle methods thouroughly
Interview Preparation Tips
- React.Js
- Javascript
Full Stack Developer Interview Questions & Answers
Hexaware Technologies
Niranjan Potdar
posted on 15 Jul 2024
(2 Questions)
- Q1. Explain architecture of project
- Ans.
The project architecture follows a microservices design pattern with separate front-end and back-end components.
Utilizes microservices architecture for scalability and flexibility
Separate front-end and back-end components for modularity
May include technologies like Docker for containerization and Kubernetes for orchestration
- Q2. Async and await difference
- Ans.
Async and await are keywords in JavaScript used for handling asynchronous operations.
Async is used to define a function as asynchronous, allowing it to use the await keyword.
Await is used to pause the execution of an async function until a Promise is settled.
Async functions always return a Promise, which resolves with the value returned by the function.
Using async/await makes asynchronous code easier to read and write
(2 Questions)
- Q1. Background about me
- Q2. 2 DSA questions
Onetech Ventures Interview FAQs
Tell us how to improve this page.
Interview Questions for Popular Designations
- Full Stack Developer Interview Questions
- Full Stack Software Developer Interview Questions
- Java Full Stack Developer Interview Questions
- Full Stack Engineer Interview Questions
- Full Stack Web Developer Interview Questions
- Senior Full Stack Developer Interview Questions
- Php Full Stack Developer Interview Questions
- full stack .net developer Interview Questions
- Show more
Interview Questions from Similar Companies
|
Product Manager
5
salaries
|  ₹7.5 L/yr - ₹13 L/yr |
|
Software Development Engineer
4
salaries
| ₹5 L/yr - ₹6.6 L/yr |
|
Software Developer 1
4
salaries
| ₹4.5 L/yr - ₹8.5 L/yr |
|
Software Developer
3
salaries
| ₹4.8 L/yr - ₹5.6 L/yr |
|
Business Analyst
3
salaries
| ₹3.5 L/yr - ₹4 L/yr |
Sequoia Capital
Nexus Venture Partners
Matrix Partners
Kalaari Capital
- Home >
- Interviews >
- Onetech Ventures Interview Questions >
- Onetech Ventures Mern Full Stack Developer Interview Questions
