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DataGrokr Interview Questions and Answers

Updated 17 Sep 2024

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6 interviews found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 17 Sep 2024

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

Spark related assignment

Round 2 - Technical 

(2 Questions)

  • Q1. SQL question like select and filter related topics
  • Q2. Python to sort numbers
  • Ans. 

    Use the sorted() function in Python to sort numbers in a list.

    • Use the sorted() function with the list of numbers as input.

    • sorted() function returns a new sorted list without modifying the original list.

    • You can use the reverse parameter in sorted() to sort in descending order.

    • Example: numbers = [3, 1, 4, 1, 5, 9, 2] sorted_numbers = sorted(numbers) print(sorted_numbers)

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Explain my experience
  • Ans. 

    I have experience working as a Data Engineer for 5 years in a tech company, where I was responsible for designing and implementing data pipelines, optimizing data storage and retrieval, and collaborating with cross-functional teams.

    • Designed and implemented data pipelines to extract, transform, and load data from various sources

    • Optimized data storage and retrieval processes to improve efficiency and performance

    • Collabora...

  • Answered by AI
  • Q2. Learning or study process
  • Ans. 

    Continuous learning through online courses, books, and hands-on projects.

    • Regularly enroll in online courses related to data engineering to stay updated on new technologies and best practices.

    • Read books and articles on data engineering to deepen understanding of concepts and techniques.

    • Work on hands-on projects to apply theoretical knowledge and gain practical experience.

    • Participate in data engineering communities and f...

  • Answered by AI

Skills evaluated in this interview

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Sep 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - Assignment 

You get an assignment with a deadline of 4-5 days. It's basically the SQL queries and Flask API. So the assignment will be evaluated on code quality and time taken for execution.

Round 3 - Technical 

(5 Questions)

  • Q1. In-depth SQL knowledge required.
  • Q2. Any one programming language you prefer and questions will be asked on it.
  • Q3. Print 1-50 using SQL (not from the table).
  • Ans. 

    Use recursive CTE to print numbers 1-50 in SQL

    • Use recursive Common Table Expression (CTE) to generate numbers from 1 to 50

    • Start with anchor member as 1 and recursively add 1 until reaching 50

    • Select the generated numbers from the CTE

  • Answered by AI
  • Q4. Study the assignment you did very well,questions will be on this as well.
  • Q5. Will be asked to explain about all your projects mentioned in resume, or even the skills u acquired.

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewers are helpful sometimes and they will really appreciate if ur doing well. You also get to talk to few of the employees before the interview. All they need is in-depth SQL and basic programming knowledge.

Skills evaluated in this interview

Data Engineer Intern Interview Questions asked at other Companies

Q1. what are window functions in sql
View answer (1)
Interview experience
4
Good
Difficulty level
Easy
Process Duration
-
Result
Not Selected
Round 1 - Assignment 

I attended interview for data engineer intern in March 2024. First round was written test which consisted of 30 questions of 50 marks, Out of which 27 questions are MCQ type and 3 questions are coding.
The coding questions are
1. Write program to find the Fibonacci series
2. Program to check if a linked list is palindrome or not
3. Query to find the Nth highest salary

Interview Preparation Tips

Topics to prepare for DataGrokr Data Engineer Intern interview:
  • SQL
  • Python
  • DSA

Data Engineer Intern Interview Questions asked at other Companies

Q1. what are window functions in sql
View answer (1)

I applied via Campus Placement

Round 1 - Assignment 

I was assigned a fairly straightforward data analysis task with a one-week deadline. For this task, we were required to learn Pyspark SQL.

Round 2 - Technical 

(1 Question)

  • Q1. In this round, they asked a lot of SQL-related questions. We are required to be quite proficient in SQL. It is preferable but not required to be familiar with cloud technologies for this round. Python at t...
Round 3 - Behavioral 

(1 Question)

  • Q1. It's simply a validation round. The manager asked about personal information related to my resume and assessed my skills and experience, such as why are you interested in this opportunity?

Interview Preparation Tips

Interview preparation tips for other job seekers - Know the company well and be clear about your role and the reasons to join

Data Engineering Intern Interview Questions asked at other Companies

Q1. LCA of Three Nodes Problem Statement You are given a Binary Tree with 'N' nodes where each node contains an integer value. Additionally, you have three integers, 'N1', 'N2', and 'N3'. Your task is to find the Lowest Common Ancestor (LCA) of... read more
View answer (1)

DataGrokr interview questions for popular designations

 Data Engineer

 (3)

 Data Engineer Intern

 (2)

 Data Engineering Intern

 (1)

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 16 May 2024

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

I applied via Internshala and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Basics must be absolutely strong.
  • Q2. Strong SQL and Python can help you crack interview.
Round 2 - Manegerial 

(1 Question)

  • Q1. Questions on behavioural aspects

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on basics, core CS fundamentals, and resume.

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 26 Feb 2023

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

I applied via Campus Placement and was interviewed before Feb 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 

Related to python, SQL and pyspark.

Round 3 - Technical 

(1 Question)

  • Q1. Assignment approach / Python / SQL most important / Basic DSA
Round 4 - HR 

(1 Question)

  • Q1. Normal conversation / Goals

Interview Preparation Tips

Topics to prepare for DataGrokr Data Engineer interview:
  • Python
  • SQL
  • DSA
  • Cloud
Interview preparation tips for other job seekers - Prepare python and SQL with basic understanding of DSA and little knowledge of cloud is plus point

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
View answer (1)

Jobs at DataGrokr

View all

Interview questions from similar companies

Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Python basic programming questions
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed in Mar 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. How to decide upon Spark cluster sizing?
  • Ans. 

    Spark cluster sizing depends on workload, data size, memory requirements, and processing speed.

    • Consider the size of the data being processed

    • Take into account the memory requirements of the Spark jobs

    • Factor in the processing speed needed for the workload

    • Scale the cluster based on the number of nodes and cores required

    • Monitor performance and adjust cluster size as needed

  • Answered by AI
  • Q2. Question on Spark internals
Round 2 - Case Study 

Implement a pipeline based on given conditions and data requirement

Round 3 - HR 

(1 Question)

  • Q1. There were no questions as such. They want me join on very next day when the HR discussion was over and started itimidating me with aggressive approach even without discussing the salary part and the benef...

Interview Preparation Tips

Interview preparation tips for other job seekers - I could clear both the rounds and salary discussion was the only thing left I decided not to join the company because of the way HR handled the process.
Based on the HR behaviour, I can say there is no respect for an employee/ candidate.
The behaviour was like as if I am at the mercy of the employer and I don't have any other company in this world.

Skills evaluated in this interview

I applied via LinkedIn and was interviewed in Aug 2020. There were 5 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. A program was given and asked to identify the number of stages.
  • Q2. In a word count spark program which command will run on driver and which will run on executor
  • Ans. 

    Commands that run on driver and executor in a word count Spark program.

    • The command to read the input file and create RDD will run on driver.

    • The command to split the lines and count the words will run on executor.

    • The command to aggregate the word counts and write the output will run on driver.

    • Driver sends tasks to executors and coordinates the overall job.

    • Executor processes the tasks assigned by the driver.

  • Answered by AI
  • Q3. SQL questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through the spark architecture and sql

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. More questions from Azure architecture and previous projects worked
  • Q2. Usecase related questions on Azure

Interview Preparation Tips

Interview preparation tips for other job seekers - Be cool, open minded and honest to the questions asked. Most importantly be very assertive and bold in your answers!

DataGrokr Interview FAQs

How many rounds are there in DataGrokr interview?
DataGrokr interview process usually has 2-3 rounds. The most common rounds in the DataGrokr interview process are Assignment, Technical and Resume Shortlist.
How to prepare for DataGrokr 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 DataGrokr. The most common topics and skills that interviewers at DataGrokr expect are AWS, Python, SQL, ETL and Spark.
What are the top questions asked in DataGrokr interview?

Some of the top questions asked at the DataGrokr interview -

  1. Print 1-50 using SQL (not from the tabl...read more
  2. Python to sort numb...read more
  3. Learning or study proc...read more

Tell us how to improve this page.

DataGrokr Interview Process

based on 7 interviews

Interview experience

3.9
  
Good
View more

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DataGrokr Reviews and Ratings

based on 16 reviews

3.5/5

Rating in categories

4.3

Skill development

3.4

Work-life balance

3.7

Salary

4.2

Job security

3.2

Company culture

3.6

Promotions

3.4

Work satisfaction

Explore 16 Reviews and Ratings
Lead Data Engineer (immediate Joiners preferred)

Bangalore / Bengaluru

7-8 Yrs

Not Disclosed

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