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INCREFF Data Engineer Interview Questions and Answers

Updated 3 Jan 2022

INCREFF Data Engineer Interview Experiences

1 interview found

I appeared for an interview in Dec 2021.

Interview Questionnaire 

1 Question

  • Q1. SQL ( easy to moderate difficulty ), how different operators work, work experience based questions, conceptual questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - While solving the given question, try to explain what you are thinking, it helps.

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Internshala and was interviewed in Dec 2023. There were 2 interview rounds.

Round 1 - Coding Test 

Easy to medium, can solve with leetcode medium

Round 2 - One-on-one 

(2 Questions)

  • Q1. Number of islands count
  • Ans. 

    Count the number of islands in a grid of '1's and '0's

    • Iterate through the grid and for each '1' encountered, perform a depth-first search to mark all connected '1's as visited

    • Increment the island count for each new island found

    • Ensure to handle boundary cases and check for visited nodes

  • Answered by AI
  • Q2. First and last index of a particular element in an array
  • Ans. 

    Find the first and last index of a specific element in an array of strings.

    • Iterate through the array and keep track of the index of the first and last occurrence of the element.

    • Return the first and last index once the iteration is complete.

    • Example: Array ['apple', 'banana', 'apple', 'orange'], element 'apple' - First index: 0, Last index: 2.

  • Answered by AI

Skills evaluated in this interview

I applied via LinkedIn and was interviewed before Aug 2021. 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 

(4 Questions)

  • Q1. Advance Excel (Vlookup, Index, Countifs, sumifs and others)
  • Q2. Python Basics (data frame, data types, lamda, series etc)
  • Q3. SQL Functions (joins, limits, partitions, orders by and group by)
  • Q4. 3rd round was managerial round, where mostly non-technicial questions asked.

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be confident, while answering the questions and you don't have to know all the questions rightly. It's okay if you don't know some.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Telegram and was interviewed in Dec 2023. There were 2 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. What is the job culture of zopsmart
  • Ans. 

    The job culture at Zopsmart is collaborative, innovative, and fast-paced.

    • Collaborative work environment where team members support and help each other

    • Emphasis on innovation and creativity in problem-solving

    • Fast-paced atmosphere with opportunities for growth and learning

    • Open communication and feedback encouraged

    • Diverse and inclusive workplace culture

  • Answered by AI
Round 2 - Coding Test 

Medium level leetcode problem

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
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.

Round 1 - Assignment 

Implement phone directory search system

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare low level design
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

A general apti round

Round 2 - Assignment 

Data analysis assignment

Round 3 - Technical 

(1 Question)

  • Q1. Sql questions askes
Round 4 - One-on-one 

(1 Question)

  • Q1. Product sense round
Round 5 - HR 

(1 Question)

  • Q1. Culture fit round
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 Dec 2023. There was 1 interview round.

Round 1 - Coding Test 

Questions can be found on Leetcode

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

(1 Question)

  • Q1. Dsa question regarding linked list and hashmap

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

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INCREFF Data Engineer Salary
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₹10.8 L/yr - ₹13 L/yr
10% more than the average Data Engineer Salary in India
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