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Celebal Technologies Node JS Developer Interview Questions, Process, and Tips

Updated 9 Apr 2024

Top Celebal Technologies Node JS Developer Interview Questions and Answers

Celebal Technologies Node JS Developer Interview Experiences

2 interviews found

Node JS Developer Interview Questions & Answers

user image Pratham Kumar

posted on 9 Apr 2024

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

I applied via LinkedIn and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Difference between shallow copy and deep copy
  • Ans. 

    Shallow copy only copies the references of nested objects, while deep copy creates new copies of nested objects.

    • Shallow copy creates a new object, but does not create copies of nested objects. Changes in nested objects reflect in both original and shallow copied objects.

    • Deep copy creates a new object and also creates copies of nested objects. Changes in nested objects do not reflect in the original object.

  • Answered by AI
  • Q2. What is node js
  • Ans. 

    Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine that allows developers to run JavaScript on the server side.

    • Node.js is an open-source, cross-platform runtime environment for executing JavaScript code outside of a browser.

    • It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient for real-time applications.

    • Node.js is commonly used for building web servers, APIs, and mi...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Having good javascript knowledge

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in Apr 2022. 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 - Aptitude Test 

The questions were relatively easy.

Round 3 - Technical 

(3 Questions)

  • Q1. The process was very streamlined
  • Q2. 1. What is Node.js? Describe the inner workings of Node.js
  • Ans. 

    Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine, used for server-side and networking applications.

    • Node.js is an open-source, cross-platform runtime environment for executing JavaScript code outside of a browser.

    • It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.

    • Node.js allows developers to build scalable and high-performance applications.

    • It provides a rich set...

  • Answered by AI
  • Q3. 2. What are the main modules of Node.js? Explain in detail.
  • Ans. 

    The main modules of Node.js are HTTP, File System, Path, and Events.

    • HTTP module allows Node.js to transfer data over the HyperText Transfer Protocol (HTTP).

    • File System module enables interaction with the file system, allowing reading, writing, and manipulating files.

    • Path module provides utilities for working with file and directory paths.

    • Events module allows for event-driven programming, enabling the creation and handl

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Celebal Technologies Node JS Developer interview:
  • Node.Js
  • Javascript
Interview preparation tips for other job seekers - Just a little bit of preparation will get you through the interview.

Skills evaluated in this interview

Node JS Developer Interview Questions Asked at Other Companies

Q1. 2. What are the main modules of Node.js? Explain in detail.
Q2. What are joins in mysql ? what is middleware ? what is JWT ? Diff ... read more
Q3. 1. What is Node.js? Describe the inner workings of Node.js
asked in Infosys
Q4. How do you deploy your Nodejs application?
Q5. What are closures??promises??callback??asynchrnous programming??a ... read more

Interview questions from similar companies

I applied via Naukri.com and was interviewed before Aug 2020. There was 1 interview round.

Interview Questionnaire 

7 Questions

  • Q1. Q1)Strong OOPS concept.
  • Ans. 

    Strong OOPS concept is essential for Java developers to write efficient and maintainable code.

    • Understanding of classes, objects, inheritance, polymorphism, and encapsulation

    • Ability to design and implement complex systems using OOPS principles

    • Experience with design patterns and SOLID principles

    • Knowledge of interfaces, abstract classes, and access modifiers

    • Familiarity with UML diagrams for modeling software systems

  • Answered by AI
  • Q2. Q2) exception handling, multitasking
  • Q3. Q3) collection frameworks internal hierarchical
  • Q4. Q4)java server side strong debugging knowledge required it must for selection.
  • Q5. 5)you need to specific on your answer and to the point
  • Q6. 6)Java utility classes
  • Q7. Spring MVC and spring boot all basic automation and bean internal working knowledge

Interview Preparation Tips

Interview preparation tips for other job seekers - Please find good place and take interview with cool mind if you don't ahe any questions answer at time of interview don't take stress say politely i don't know that fine

Don't be harrree while answering the question


I applied via Company Website and was interviewed in Jul 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. What is java
  • Ans. 

    Java is a high-level programming language known for its platform independence and object-oriented approach.

    • Java is widely used for developing desktop, web, and mobile applications.

    • It is known for its write once, run anywhere (WORA) capability.

    • Java uses a virtual machine (JVM) to execute code, providing portability across different operating systems.

    • It supports multithreading, exception handling, and dynamic memory allo...

  • Answered by AI
  • Q2. What is inheritance
  • Ans. 

    Inheritance is a mechanism in object-oriented programming where a new class is created from an existing class.

    • Allows for code reuse and promotes code organization

    • The new class (subclass) inherits properties and methods from the existing class (superclass)

    • Subclass can add new properties and methods or override existing ones

    • Example: A Car class can inherit properties and methods from a Vehicle class

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - iam join this java developer

Skills evaluated in this interview

I applied via Referral and was interviewed in Nov 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Write a program for sum of numbers?
  • Ans. 

    A program to calculate the sum of numbers.

    • Create a variable to store the sum.

    • Iterate through the numbers and add each number to the sum.

    • Return the sum.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - We have to prepare even the basic questions , basic question also matters !

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. What's java?
  • Ans. 

    Java is a high-level, object-oriented programming language used to develop applications for various platforms.

    • Java is platform-independent and can run on any device with a Java Virtual Machine (JVM)

    • It is known for its security features and is commonly used for developing web applications, mobile apps, and enterprise software

    • Java code is compiled into bytecode, which can be executed on any platform that has a JVM instal...

  • Answered by AI
  • Q2. Why java?
  • Ans. 

    Java is a versatile, platform-independent language with a vast community and extensive libraries.

    • Java is object-oriented and easy to learn.

    • It has a vast community and extensive libraries.

    • It is platform-independent and can run on any device.

    • Java is secure and reliable.

    • It is used in various domains like web development, mobile app development, and enterprise applications.

    • Examples: Android apps, Spring framework, Hadoop,

  • Answered by AI

Skills evaluated in this interview

I applied via Walk-in and was interviewed before Jan 2021. There were 5 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. Are you want to work in Chetu Inc
  • Q2. First you complete your core Java then jdbc then servlet then JSP then spring
  • Q3. How to eligible for chetu inc
  • Q4. There are two ways to go chetu inc first is you complete two years experience then you will be eligible for interview in Chetu inc second way is chetu organize skill centre program you can join this pr...
  • Q5. Are you want to know about interview
  • Q6. Chetu Inc take CBT and interview

Interview Preparation Tips

Interview preparation tips for other job seekers - First you complete CBT questions then prepare interview questions keep confidant on yourself

Interview Questionnaire 

1 Question

  • Q1. Few questions on rest API, microservices, java 8 core questions, spring MVC, Hibernate

I applied via Naukri.com and was interviewed before Sep 2020. There was 1 interview round.

Interview Preparation Tips

Interview preparation tips for other job seekers - Java basic interview questions

Interview Questionnaire 

5 Questions

  • Q1. About java collection api
  • Q2. String in java
  • Ans. 

    String is a class in Java used to represent a sequence of characters.

    • Strings are immutable in Java

    • String objects can be created using string literals or the new keyword

    • String class provides various methods for manipulating strings such as substring, replace, etc.

  • Answered by AI
  • Q3. Restful webservices , spring MVC flow, spring data, security in rest API.
  • Q4. Java8 new features ,stream api, lambda expression,
  • Q5. JSON, HashMap and HashTable, design pattern

Skills evaluated in this interview

Celebal Technologies Interview FAQs

How many rounds are there in Celebal Technologies Node JS Developer interview?
Celebal Technologies interview process usually has 2 rounds. The most common rounds in the Celebal Technologies interview process are Technical, Aptitude Test and Resume Shortlist.
How to prepare for Celebal Technologies Node JS 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 Celebal Technologies. The most common topics and skills that interviewers at Celebal Technologies expect are Node.Js, Javascript, HTML, .Net and API.
What are the top questions asked in Celebal Technologies Node JS Developer interview?

Some of the top questions asked at the Celebal Technologies Node JS Developer interview -

  1. 2. What are the main modules of Node.js? Explain in deta...read more
  2. 1. What is Node.js? Describe the inner workings of Node...read more
  3. Difference between shallow copy and deep c...read more

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Celebal Technologies Node JS Developer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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Celebal Technologies Node JS Developer Salary
based on 7 salaries
₹5 L/yr - ₹6.5 L/yr
7% more than the average Node JS Developer Salary in India
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Celebal Technologies Node JS Developer Reviews and Ratings

based on 2 reviews

3.3/5

Rating in categories

3.0

Skill development

3.3

Work-life balance

1.7

Salary

3.0

Job security

2.3

Company culture

2.4

Promotions

3.0

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