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Cogent E Services Node JS Developer Interview Questions and Answers

Updated 16 Aug 2024

Cogent E Services Node JS Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Bnine don’t havecany
  • Q2. No e don’t have no e
Round 2 - Aptitude Test 

None of the following above to

Round 3 - Technical 

(2 Questions)

  • Q1. None of the folks for you
  • Q2. None of the following
Round 4 - Coding Test 

None of the follicle questions

Round 5 - Coding Test 

None of the following above

Round 6 - Assignment 

None of the folk above yo

Interview Preparation Tips

Interview preparation tips for other job seekers - None of the following above idk

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is node.js
  • Q2. What is the event loop in Node.js?
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - Group Discussion 

Programming questions related to Python and React.

Round 2 - Group Discussion 

Programmatical problem related to Python and React

Round 3 - HR 

(1 Question)

  • Q1. Salary Discussion
Round 4 - Aptitude Test 

Programming Problems related to react and python.

Round 5 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, Memory Management, Multiprocessing, multithreading, GIL, React Components
Round 6 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy
Round 7 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy
Round 8 - Technical 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy
Round 9 - One-on-one 

(1 Question)

  • Q1. Object Oriented Programming, GIL, Multi threading, multiprocessing, React Component, Shallow Copy, Deep Copy, Django ORM, Class Inheritance

Interview Preparation Tips

Interview preparation tips for other job seekers - In the name of the client Round, the internal team will contact you to conduct interview calls known as Preparation Call Round before the Client Round, aimed at creating a positive impression for the client. Typically, no additional rounds follow the HR round, but they conducted five more rounds while merely reiterating the aforementioned details, which led me to cancel my own job application.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I was interviewed in Dec 2024.

Round 1 - Technical 

(7 Questions)

  • Q1. Started with introduction
  • Q2. Asked about projects
  • Q3. Asked Architecture related questions and design pattern related questions
  • Q4. If you have 1 million requests how will you manage that
  • Ans. 

    I would use load balancing, caching, and scaling techniques to manage the 1 million requests.

    • Implement load balancing to distribute requests evenly across multiple servers.

    • Utilize caching to store frequently accessed data and reduce response times.

    • Scale horizontally by adding more servers to handle the increased load.

    • Optimize code and database queries to improve performance.

    • Monitor system performance and make adjustmen

  • Answered by AI
  • Q5. React vs SAP UI5
  • Ans. 

    React is a popular JavaScript library for building user interfaces, while SAP UI5 is a framework for developing enterprise-ready web applications.

    • React is more flexible and widely used in the industry.

    • SAP UI5 is specifically designed for SAP applications and has built-in support for SAP technologies.

    • React has a larger community and ecosystem with more resources and libraries available.

    • SAP UI5 provides a consistent user...

  • Answered by AI
  • Q6. Node VS JAVA
  • Ans. 

    Node.js is a runtime environment for executing JavaScript code outside of a browser, while Java is a general-purpose programming language often used for building enterprise applications.

    • Node.js is single-threaded and event-driven, making it ideal for handling asynchronous operations like I/O operations.

    • Java is a statically typed language with a strong emphasis on object-oriented programming, making it suitable for larg...

  • Answered by AI
  • Q7. Multitenancy in sap btp
  • Ans. 

    Multitenancy in SAP BTP allows multiple customers to share the same application instance while keeping their data isolated.

    • Multitenancy allows multiple customers (tenants) to use the same application instance.

    • Each tenant's data is isolated and secure from other tenants.

    • Tenants can customize their own settings, branding, and configurations within the shared application.

    • SAP BTP provides tools and features to manage multi...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Arrays and strings - 90 mins

Round 2 - Coding Test 

Create Modules, railway reservation system - 60 mins

Round 3 - Technical 

(5 Questions)

  • Q1. Difference between hashmap and hasptable
  • Q2. Why typescript over javascript
  • Q3. Find the percentage of increace in the quantity of item after making it price 20% extra
  • Q4. What is normalization
  • Q5. Date and time api available
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(6 Questions)

  • Q1. How can we return multiple data with different data types from a function in .c#
  • Q2. How to Optimize Stored Procedure
  • Q3. How do you run Azure Functions Locally
  • Q4. API Rate Limiting
  • Q5. API Return Types
  • Q6. What is a Partial Class
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

LeetCode , hard questions on dynamic programming, graphs, and more.

Round 2 - Coding Test 

DSA, Cn, os, DBMS, ML

Round 3 - One-on-one 

(2 Questions)

  • Q1. Is relocation a possibility for this position?
  • Q2. Senior role is there
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

MCQ test consisting of 70 mcqs in 75 minutes from aptitude english and cs fundamentals. If cleared next paper 2 coding qs medium level

Round 2 - Technical 

(2 Questions)

  • Q1. Two sum leetcode problem
  • Q2. What problems you faced in your project
  • Ans. 

    I faced challenges with integrating third-party APIs and debugging complex logic.

    • Difficulty in understanding and implementing third-party APIs

    • Issues with data synchronization between different systems

    • Troubleshooting complex logic errors

    • Managing dependencies and version conflicts

    • Time constraints affecting problem-solving

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2024. There were 3 interview rounds.

Round 1 - Aptitude Test 

Quants, Reasoning and Verbal
Computer fundamental and pseudocode

Round 2 - Group Discussion 

15 mins with general topics

Round 3 - HR 

(2 Questions)

  • Q1. What do like in your college the most?
  • Ans. 

    I enjoyed the collaborative projects and hands-on learning experiences in my college.

    • Collaborating with classmates on coding projects

    • Hands-on experience with different programming languages

    • Engaging discussions in computer science classes

  • Answered by AI
  • Q2. Do you have any other offer?

Interview Preparation Tips

Interview preparation tips for other job seekers - Have a good communication skill ,that is enough
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Explain Encapsulation
  • Ans. 

    Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.

    • Encapsulation helps in hiding the internal state of an object and only exposing necessary functionalities.

    • It allows for better control over the data by preventing direct access from outside the class.

    • Encapsulation also helps in achieving data abstraction and information hiding.

    • Example: In a class representing a car, th...

  • Answered by AI
  • Q2. How to call rest API
  • Ans. 

    To call a REST API, you can use tools like Postman or code in languages like JavaScript or Python.

    • Use tools like Postman to make HTTP requests to the API endpoints

    • In programming languages like JavaScript, use libraries like Axios or Fetch to make API calls

    • Include necessary headers, parameters, and authentication tokens in the request

    • Handle the response data accordingly, whether it's JSON, XML, or other formats

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Sprig MVC, Spring boot and API

Skills evaluated in this interview

Cogent E Services Interview FAQs

How many rounds are there in Cogent E Services Node JS Developer interview?
Cogent E Services interview process usually has 6 rounds. The most common rounds in the Cogent E Services interview process are Technical, Coding Test and Aptitude Test.
What are the top questions asked in Cogent E Services Node JS Developer interview?

Some of the top questions asked at the Cogent E Services Node JS Developer interview -

  1. None of the follow...read more
  2. No e don’t have n...read more
  3. Bnine don’t havec...read more

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Cogent E Services Node JS Developer Interview Process

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Interview experience

5
  
Excellent
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