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Doubtnut Data Science Engineer Interview Questions and Answers

Updated 18 Apr 2024

Doubtnut Data Science Engineer Interview Experiences

1 interview found

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-

I applied via Referral

Round 1 - Aptitude Test 

What is BST and it's types?

Round 2 - Coding Test 

Tell me the count of string

Interview Preparation Tips

Interview preparation tips for other job seekers - NA

Interview questions from similar companies

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

I applied via Naukri.com and was interviewed before Oct 2022. There were 4 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 - Assignment 

Implement login with Google SSO, show emails in a single place

Round 3 - One-on-one 

(4 Questions)

  • Q1. How to implement JWT
  • Ans. 

    JWT can be implemented by generating a token with user information and a secret key, then verifying the token using the same secret key.

    • Generate a JWT token with user information and a secret key

    • Include necessary claims like expiration time, issuer, etc.

    • Verify the JWT token using the same secret key

    • Handle token expiration and refresh if needed

  • Answered by AI
  • Q2. Please read about it on the internet, do take care of public and private key use
  • Q3. Middleware in express, how to create one?
  • Ans. 

    Middleware in Express is a function that has access to the request and response objects.

    • Create a middleware function using app.use() method in Express.

    • Middleware functions have access to the request object (req), the response object (res), and the next middleware function in the application's request-response cycle.

    • Example: app.use((req, res, next) => { console.log('This is a middleware function'); next(); });

  • Answered by AI
  • Q4. Read about it on the internet
Round 4 - One-on-one 

(6 Questions)

  • Q1. Discussed about guards in Angular
  • Q2. Read about it on the internet
  • Q3. How does lazy loading work in Angular
  • Ans. 

    Lazy loading in Angular delays loading of modules until they are needed

    • Lazy loading helps improve performance by only loading modules when they are required

    • It is achieved by using the loadChildren property in the route configuration

    • Lazy loaded modules are loaded asynchronously when the user navigates to the corresponding route

  • Answered by AI
  • Q4. Read about lazy loading in Angular
  • Q5. How to enable SSR in Angular
  • Ans. 

    Server-side rendering (SSR) in Angular can be enabled by using Angular Universal.

    • Install Angular Universal using Angular CLI

    • Create a new Angular Universal project

    • Update app.module.ts to include server-side rendering

    • Build and run the Angular Universal project

  • Answered by AI
  • Q6. Read about Angular Universal for this

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Angular concepts, DSA and Ruby on Rails concepts for the round

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Ok ok level one round

Round 2 - Coding Test 

Moderate level one round

Round 3 - HR 

(1 Question)

  • Q1. Easy level one round

I applied via Naukri.com and was interviewed in Jul 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 - Coding Test 

It was on hacker rank

Round 3 - Aptitude Test 

It was a aptitude test taken by me of the new and all the response and the of new

Interview Preparation Tips

Topics to prepare for Coding Ninjas Software Engineer interview:
  • MySQL
  • YourSql
  • Analytics
Interview preparation tips for other job seekers - if the coin and the new off the medium and new if you add me in the data and of the suer
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Coding test around front end using react

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

Basic aptitude questions

Round 2 - Coding Test 

Linked list, array, tree and graph questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well aptitude and coding
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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. Tell me about your self
  • Q2. What is your previous company experience

Interview Preparation Tips

Interview preparation tips for other job seekers - Without experience not join
Round 1 - One-on-one 

(2 Questions)

  • Q1. Question doesn't matter
  • Q2. Question doesn't really care
Round 2 - Aptitude Test 

Interview Preparation Tips

Interview preparation tips for other job seekers - I request you all never ever try to think to be a part of lido learning.. trust me it's a fraud company. All they want is money and they don't care about their employees. They have hire and fire policy. If lido would be last option for you never though of considering that.. just wait and search for better opportunity. Just have faith on urself you will get better in ur life without lido learning.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Dec 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Simple coading questions related to machine learning

Round 2 - HR 

(1 Question)

  • Q1. Discuss on salary
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Previous experiences
  • Q2. Future goals and ambition
Round 2 - One-on-one 

(2 Questions)

  • Q1. Sales related questions
  • Q2. Sales improvement strategy
  • Ans. 

    Implementing a structured sales training program and setting clear sales targets.

    • Develop a comprehensive sales training program to improve product knowledge and sales techniques.

    • Set specific and achievable sales targets for each sales executive to motivate and track performance.

    • Regularly review and provide feedback on sales performance to identify areas for improvement.

    • Implement a CRM system to track leads, opportuniti...

  • Answered by AI

Doubtnut Interview FAQs

How many rounds are there in Doubtnut Data Science Engineer interview?
Doubtnut interview process usually has 2 rounds. The most common rounds in the Doubtnut interview process are Aptitude Test and Coding Test.

Tell us how to improve this page.

Doubtnut Data Science Engineer Interview Process

based on 1 interview

Interview experience

2
  
Poor
View more

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