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NexTurn Data Engineer Interview Questions and Answers

Updated 15 Jul 2024

NexTurn Data Engineer Interview Experiences

2 interviews found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 15 Jul 2024

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

Easy and moderate level question

Round 2 - Group Discussion 

Given a relevant topic and discussion on it

Round 3 - HR 

(2 Questions)

  • Q1. Introducd yourself
  • Q2. Why do you want to join us

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 23 Oct 2023

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
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 Resume tips
Round 2 - Aptitude Test 

Reasoning and aptitude questions were asked

Round 3 - One-on-one 

(1 Question)

  • Q1. Interview was around python programming and team fitment

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Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. What is the architecture of Spark
  • Ans. 

    Spark has a master-slave architecture with a cluster manager and worker nodes.

    • Spark has a driver program that communicates with a cluster manager to allocate resources and schedule tasks.

    • The cluster manager can be standalone, Mesos, or YARN.

    • Worker nodes execute tasks and store data in memory or on disk.

    • Spark can also utilize external data sources like Hadoop Distributed File System (HDFS) or Amazon S3.

    • Spark supports va...

  • Answered by AI

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Question on sql and other stuff
Round 2 - Technical 

(1 Question)

  • Q1. Question on sql and other stuff
Round 3 - Technical 

(1 Question)

  • Q1. Question on sql and queries

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't join. I personally found it very unprofessional.
Round 1 - Technical 

(1 Question)

  • Q1. 1) What is internal mechanism in spark . 2) tungsten project in spark explanation 3) sql problem to check where last two transaction belongs to particular retail
  • Ans. 

    Questions related to Spark internals, Tungsten project, and SQL problem for retail transactions.

    • Spark's internal mechanism includes components like Spark Core, Spark SQL, Spark Streaming, and MLlib.

    • Tungsten project in Spark aims to improve the performance of Spark by optimizing memory usage and CPU utilization.

    • To solve the SQL problem, we can use a query to filter transactions for a particular retail and then use the '...

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. 1) scenario based question like , if a. job is launched with single executor will there be shuffling

Interview Preparation Tips

Interview preparation tips for other job seekers - look into spark architecture in details . how to assign executors and cores effeciently etc

Skills evaluated in this interview

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

I applied via Naukri.com and was interviewed before Mar 2023. There were 4 interview rounds.

Round 1 - Coding Test 

Hackerrank test with medium level DSA and SQL questions

Round 2 - Technical 

(3 Questions)

  • Q1. SQL joins and window functions
  • Q2. Big data optimisation techniques
  • Ans. 

    Big data optimisation techniques involve strategies to improve the performance and efficiency of processing large volumes of data.

    • Use of distributed computing frameworks like Hadoop and Spark to process data in parallel

    • Implementing data compression techniques to reduce storage requirements

    • Utilizing indexing and partitioning to optimize query performance

    • Applying data pruning and filtering to reduce unnecessary data proc...

  • Answered by AI
  • Q3. DSA Medium level
Round 3 - Technical 

(2 Questions)

  • Q1. Big data Eco system
  • Q2. SQL and Python related
Round 4 - Technical 

(1 Question)

  • Q1. Managerial round on a specific use case designing

Interview Preparation Tips

Interview preparation tips for other job seekers - For Big data related interviews, Be very good with spark optimisations and SQL

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jun 2023. There were 3 interview rounds.

Round 1 - Coding Test 

1 hr medium level DSA questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. DFS in tree Data Structure
  • Ans. 

    DFS (Depth First Search) is a traversal algorithm used in tree data structures to explore as far as possible along each branch before backtracking.

    • DFS starts at the root node and explores as far as possible along each branch before backtracking.

    • It uses a stack to keep track of nodes to visit next.

    • DFS can be implemented recursively or iteratively.

    • Example: In a binary tree, DFS would visit the left child of a node before

  • Answered by AI
  • Q2. SQL normalisation types and explanation
  • Ans. 

    SQL normalisation types include 1NF, 2NF, 3NF, BCNF, and 4NF, each with specific rules for eliminating data redundancy.

    • 1NF (First Normal Form) - Each column in a table must contain atomic values, and there should be no repeating groups.

    • 2NF (Second Normal Form) - Table should be in 1NF and all non-key attributes should be fully functionally dependent on the primary key.

    • 3NF (Third Normal Form) - Table should be in 2NF an...

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Preferred Location
  • Ans. 

    I am open to opportunities in various locations, depending on the job offer and company culture.

    • Open to relocation for the right opportunity

    • Prefer locations with good work-life balance

    • Interested in cities with strong tech communities

  • Answered by AI
  • Q2. About the company

Interview Preparation Tips

Interview preparation tips for other job seekers - This was an on-campus interview, everything was done in one day

Skills evaluated in this interview

I was interviewed in Nov 2020.

Interview Questionnaire 

1 Question

  • Q1. Design booking.com.

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare SQL complex queries.

I applied via Walk-in and was interviewed before Feb 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Interview mainly asked about spark architecture.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well with the basic

I applied via Recruitment Consultant and was interviewed before Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Cloud Data Warehousing
  • Q2. SQL, ETL related Questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Strong in SQL and ETL Basics
Contribute & help others!
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NexTurn Interview FAQs

How many rounds are there in NexTurn Data Engineer interview?
NexTurn interview process usually has 3 rounds. The most common rounds in the NexTurn interview process are Aptitude Test, Resume Shortlist and One-on-one Round.
How to prepare for NexTurn Data Engineer 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 NexTurn . The most common topics and skills that interviewers at NexTurn expect are Analytical Chemistry, PDF, Python, Big Data and Cloud Computing.

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NexTurn Data Engineer Interview Process

based on 2 interviews

Interview experience

4.5
  
Good
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NexTurn Data Engineer Salary
based on 8 salaries
₹3 L/yr - ₹5.5 L/yr
57% less than the average Data Engineer Salary in India
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based on 5 reviews

3.5/5

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4.1

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