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Cognizant UI Developer Interview Questions and Answers

Updated 22 Nov 2024

Cognizant UI Developer Interview Experiences

3 interviews found

UI Developer Interview Questions & Answers

user image Anonymous

posted on 22 Nov 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Approached by Company and was interviewed before Nov 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. 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 task queue.

    • When the call stack is empty, the event loop moves tasks from the task queue to the call stack for execution.

    • Example: setTim...

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

    DOM stands for Document Object Model, a programming interface for web documents.

    • DOM is a tree-like structure that represents the elements of a web page.

    • It allows developers to manipulate the content, structure, and style of a web page using scripting languages like JavaScript.

    • DOM provides methods and properties to interact with HTML elements, such as selecting, adding, removing, or modifying them.

    • Example: document.getE...

  • Answered by AI

Skills evaluated in this interview

UI Developer Interview Questions & Answers

user image Anonymous

posted on 22 Jul 2021

Interview Questionnaire 

1 Question

  • Q1. Questions on routing concepts, advanced html,css and javascript

UI Developer Interview Questions Asked at Other Companies

Q1. Create 10 no. of Checkboxes in javascript and on-checked checkbox ... read more
Q2. What is Redux? Explain workflow of redux and uses of redux.
Q3. What is Call, Apply and Bind in javscript
Q4. Explain Higher order function and Higher order component?
Q5. What is meta tag? What is position What promise What is callback ... read more

UI Developer Interview Questions & Answers

user image Anonymous

posted on 14 May 2020

Interview Questionnaire 

2 Questions

  • Q1. I joined cognizant as a fresher, so jat be confident about one programing language and try to solve basic fundamental programming and oops concept along with sql knowledge
  • Q2. I was asked for the Armstrong that l did and about hierarchy and structure

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident that you are a learner and can be fit to any project.

Interview questions from similar companies

I appeared for an interview in Aug 2017.

Interview Preparation Tips

Round: Test
Experience: All questions related to HTML, CSS, Bootstrap, Javascript, JQuery and Angular jS
Duration: 30 minutes
Total Questions: 20

Round: Technical Interview
Experience: They ask all Technical Questions which are based on our skills mentioned in CV.

I applied via Walk-in and was interviewed in Mar 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. For loop fine the array value
  • Ans. 

    Using a for loop to find a specific value in an array of strings.

    • Use a for loop to iterate through the array

    • Check each element to see if it matches the desired value

    • Return the index of the matching element or -1 if not found

  • Answered by AI
  • Q2. For loop fine the array valu
  • Ans. 

    To find array values using for loop

    • Declare a variable to store the sum of array values

    • Use a for loop to iterate through the array

    • Access each element using array[index] syntax

    • Add the element value to the sum variable

    • Return the sum variable

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - no tips u try ,it and u try the best prize

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Nov 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Related JavaSript and react

Interview Preparation Tips

Interview preparation tips for other job seekers - It was good experience and given 2 technical PMO and HR

Interview Questionnaire 

4 Questions

  • Q1. How to handle performance issues in angular
  • Ans. 

    Performance issues in Angular can be handled by optimizing code, reducing HTTP requests, and using lazy loading.

    • Optimize code by using trackBy in ngFor loops

    • Reduce HTTP requests by using caching and pagination

    • Use lazy loading to load only necessary components

    • Use AOT compilation to reduce load time

    • Avoid using ngIf with heavy computations

    • Use ChangeDetectionStrategy.OnPush to reduce change detection cycles

  • Answered by AI
  • Q2. How to create and use custom directive
  • Ans. 

    Custom directives in AngularJS allow you to create reusable components.

    • Create a new directive using the directive() method

    • Specify the directive's behavior using the link() method

    • Use the directive in HTML using its name as an attribute

    • Pass data to the directive using attributes

    • Example:

  • Answered by AI
  • Q3. How angular works , architecture
  • Ans. 

    Angular is a JavaScript framework for building web applications with a modular architecture.

    • Angular uses a component-based architecture to build reusable UI components

    • It uses a declarative approach to define UI elements and their behavior

    • Angular provides a powerful set of tools for data binding, dependency injection, and routing

    • It follows the MVC (Model-View-Controller) pattern to separate concerns and improve maintain...

  • Answered by AI
  • Q4. ES6 features

Skills evaluated in this interview

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 Jan 2023. 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 - One-on-one 

(2 Questions)

  • Q1. What is lazy loading? What is routing and how to implement it? How to implement observables? What is promise? How to achieve asynchronous call in javascript?
  • Ans. 

    Lazy loading is a technique to defer loading of non-critical resources until they are needed.

    • Lazy loading improves page load time and performance.

    • It is commonly used for images, videos, and other media files.

    • Lazy loading can be implemented using JavaScript libraries like LazyLoad or by using the Intersection Observer API.

    • Lazy loading can also be implemented in frameworks like Angular and React.

  • Answered by AI
  • Q2. What is HTML5? What is css3? How to achieve media queries?
  • Ans. 

    HTML5 is the latest version of the HTML standard, CSS3 is the latest version of the CSS standard, and media queries are used in CSS to apply different styles based on device characteristics.

    • HTML5 is the fifth and latest version of the HTML standard used for structuring content on the web.

    • CSS3 is the latest version of the CSS standard used for styling web pages.

    • Media queries in CSS allow for responsive design by applyin...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Ne real and confident.
Have proper revision.
Be ready for proper explanation on your current role and responsibilities.

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Aug 2021. There were 3 interview rounds.

Round 1 - Technical 

(4 Questions)

  • Q1. About all lifecycle,hooks, virtual Dom questions on react js
  • Q2. Explain about Jwt and related token based questions.
  • Q3. Redux work flow kind of questions.
  • Q4. Java class , interface, abstraction kind of questions.
Round 2 - Coding Test 

JavaScript coding questions using map, filter, reduce.

React hooks coding example s.

Round 3 - One-on-one 

(3 Questions)

  • Q1. What were ur leaning in ur last project?
  • Q2. How was ur role and responsibilities. Questions about development process and testing methods.
  • Q3. Are u willing to learn new skills?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident. Tell answers honestly. Prepare well.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Angular core concepts and Js questions

Cognizant Interview FAQs

How many rounds are there in Cognizant UI Developer interview?
Cognizant interview process usually has 1 rounds. The most common rounds in the Cognizant interview process are One-on-one Round.
How to prepare for Cognizant UI 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 Cognizant. The most common topics and skills that interviewers at Cognizant expect are CSS, HTML, Javascript, UI Development and Angularjs.
What are the top questions asked in Cognizant UI Developer interview?

Some of the top questions asked at the Cognizant UI Developer interview -

  1. WHat is event lo...read more
  2. What is DO...read more
  3. I joined cognizant as a fresher, so jat be confident about one programing langu...read more

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Cognizant UI Developer Interview Process

based on 3 interviews

Interview experience

4.7
  
Excellent
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Cognizant UI Developer Salary
based on 329 salaries
₹4.6 L/yr - ₹17 L/yr
69% more than the average UI Developer Salary in India
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Cognizant UI Developer Reviews and Ratings

based on 22 reviews

3.9/5

Rating in categories

3.3

Skill development

3.7

Work-life balance

3.2

Salary

3.1

Job security

3.7

Company culture

2.9

Promotions

3.2

Work satisfaction

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