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Unify Technologies Reactjs Developer Interview Questions and Answers

Updated 8 Jan 2025

Unify Technologies Reactjs Developer Interview Experiences

3 interviews found

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

(2 Questions)

  • Q1. Create a Todo list
  • Ans. 

    A simple Todo list application using Reactjs

    • Create a new React project using create-react-app

    • Implement a component for adding new tasks

    • Implement a component for displaying the list of tasks

    • Add functionality to mark tasks as completed

    • Style the Todo list using CSS or a UI library like Material-UI

  • Answered by AI
  • Q2. Add some buttons for delete
  • Ans. 

    To add buttons for delete, create a button component with a delete function.

    • Create a Button component with a delete function

    • Pass a unique identifier for each item to be deleted

    • Use onClick event to trigger the delete function

  • Answered by AI

I applied via Job Portal and was interviewed in Jul 2022. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Related to react and javascript , one counter app program

Interview Preparation Tips

Interview preparation tips for other job seekers - Javascript and react should be prepared thou roughly

Reactjs Developer Interview Questions Asked at Other Companies

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Q4. what is ES6 feature small coding on how let,var,const works javas ... read more
asked in Metafic
Q5. Write code for functional component to call an API and show a lis ... read more

I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Wht is is higher order component and can you write one ?
  • Ans. 

    Higher order component is a function that takes a component and returns a new component with additional functionality.

    • HOC is a design pattern in React

    • It allows code reuse, logic abstraction and composition

    • It can be used for cross-cutting concerns like authentication, logging, etc.

    • Example: WithAuth HOC that adds authentication logic to a component

    • Example: withRouter HOC that adds routing props to a component

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - They thoroughly assess your technical skills

Skills evaluated in this interview

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Interview questions from similar companies

Interview Questionnaire 

3 Questions

  • Q1. Basic JavaScript
  • Q2. Agail methology and scrum
  • Q3. Practical test. JavaScript, react
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 Jun 2024. There were 3 interview rounds.

Round 1 - Technical 

(3 Questions)

  • Q1. Basic question from React JS, Redux, Javascript, HTML and CSS.
  • Q2. Core concept like difference between virtual dom and real dom.
  • Q3. What is Redux and flow of Redux. Difference between context api and Redux.
Round 2 - Technical 

(2 Questions)

  • Q1. Project related questions like what had you done in previous project.
  • Q2. Some scenarios based questions.
Round 3 - HR 

(1 Question)

  • Q1. General HR questions.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Sep 2023.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic Javascript Questions
  • Q2. JS Array Questions

Interview Preparation Tips

Topics to prepare for LTIMindtree Reactjs Developer interview:
  • javascript
  • arrays
  • array functions

I applied via LinkedIn and was interviewed in Jun 2021. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. What is hoisting ?
  • Ans. 

    Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.

    • Variables declared with var are hoisted to the top of their scope

    • Function declarations are hoisted before variables

    • Function expressions are not hoisted

    • Hoisting can lead to unexpected behavior and bugs

  • Answered by AI
  • Q2. What is useEffect ?
  • Ans. 

    useEffect is a hook in React that allows you to perform side effects in functional components.

    • It replaces componentDidMount, componentDidUpdate, and componentWillUnmount.

    • It takes two arguments: a function that performs the side effect and an array of dependencies.

    • The function is called after every render, unless the dependencies haven't changed.

    • Common use cases include fetching data, setting up event listeners, and upd...

  • Answered by AI
  • Q3. What is function currying
  • Ans. 

    Function currying is a technique of transforming a function that takes multiple arguments into a sequence of functions that each take a single argument.

    • Currying allows partial application of a function.

    • It helps in creating reusable functions.

    • Curried functions are composable and can be easily combined to create new functions.

    • Currying can be achieved using closures or by using libraries like Lodash or Ramda.

    • Example: cons

  • Answered by AI
  • Q4. What is closures in js
  • Ans. 

    Closures are functions that have access to variables in their outer scope, even after the outer function has returned.

    • Closures are created when a function is defined inside another function.

    • The inner function has access to the outer function's variables and parameters.

    • Closures can be used to create private variables and methods.

    • Closures can also be used to create functions with pre-set arguments.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Only a single round which lasted for almost 30 min. It was relatively easy one with basic qns on javascript

Skills evaluated in this interview

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

(1 Question)

  • Q1. Questions related to Current Job Profile and previous experience

Interview Questionnaire 

3 Questions

  • Q1. What are the new features in react 16?
  • Ans. 

    React 16 introduced new features like React Fiber, Error Boundaries, Portals, and improved server-side rendering.

    • React Fiber is a new reconciliation engine that improves performance and enables incremental rendering.

    • Error Boundaries allow developers to catch and handle errors in components.

    • Portals provide a way to render children into a different DOM subtree.

    • Improved server-side rendering with support for streaming and...

  • Answered by AI
  • Q2. Why react hooks are use full?
  • Ans. 

    React hooks simplify state management and lifecycle methods in functional components.

    • Hooks allow functional components to have state and lifecycle methods

    • They reduce the need for class components and HOCs

    • Hooks make code more readable and easier to test

    • Examples of hooks include useState, useEffect, and useContext

  • Answered by AI
  • Q3. What is HOC components?
  • Ans. 

    HOC components are higher-order components in React that allow code reuse and logic sharing.

    • HOC components are functions that take a component and return a new component with additional functionality.

    • They are used to abstract common logic and behaviors into reusable components.

    • HOC components can be used for tasks like authentication, logging, and code reuse.

    • Example: a withAuth HOC component that adds authentication log

  • Answered by AI

Skills evaluated in this interview

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

(2 Questions)

  • Q1. What do you mean by redux and how to use redux
  • Ans. 

    Redux is a predictable state container for JavaScript apps. It helps manage the state of an application in a more organized way.

    • Redux is a state management tool commonly used with React to manage the state of an application.

    • It follows a unidirectional data flow, where the state is stored in a single store.

    • Actions are dispatched to update the state, and reducers specify how the state should change in response to actions...

  • Answered by AI
  • Q2. What is the use of Context Api in React
  • Ans. 

    Context API is used in React to pass data through the component tree without having to pass props down manually at every level.

    • Avoids prop drilling by providing a way to share values like themes, user data, etc. across the component tree.

    • Helps in managing global state in React applications.

    • Context API consists of Provider and Consumer components to provide and consume the context data.

    • Can be used for theming, localizat

  • Answered by AI

Skills evaluated in this interview

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Unify Technologies Interview FAQs

How many rounds are there in Unify Technologies Reactjs Developer interview?
Unify Technologies interview process usually has 1 rounds. The most common rounds in the Unify Technologies interview process are Technical.
How to prepare for Unify Technologies Reactjs 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 Unify Technologies. The most common topics and skills that interviewers at Unify Technologies expect are Javascript, Redux, Typescript, CSS and CSS3.
What are the top questions asked in Unify Technologies Reactjs Developer interview?

Some of the top questions asked at the Unify Technologies Reactjs Developer interview -

  1. Wht is is higher order component and can you write on...read more
  2. add some buttons for del...read more
  3. create a Todo l...read more

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Unify Technologies Reactjs Developer Interview Process

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1 Interview rounds

  • Technical Round
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