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Blackstraw AI Data Engineer Interview Questions and Answers

Updated 2 Sep 2024

Blackstraw AI Data Engineer Interview Experiences

2 interviews found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 13 Apr 2022

I was interviewed in Oct 2021.

Round 1 - Technical 

(1 Question)

  • Q1. Python collections numpy pandas library Sql windows functions Spark

Interview Preparation Tips

Interview preparation tips for other job seekers - Good luck!! !!!!!!!!!!!!!!!!!!!!!!
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Remove duplicates from array
  • Ans. 

    Remove duplicates from array of strings

    • Use a Set data structure to store unique elements

    • Convert the array to a Set to remove duplicates

    • Convert the Set back to an array if needed

  • Answered by AI
  • Q2. Window function

Interview Preparation Tips

Interview preparation tips for other job seekers - although the interview went well but they did not even reply back

Skills evaluated in this interview

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

It wa really a great experience.

Round 2 - Coding Test 

It was really a great experience.

Round 3 - HR 

(2 Questions)

  • Q1. Where do you see yourself after 3 years?
  • Ans. 

    In 3 years, I see myself leading a team of data engineers, implementing cutting-edge technologies, and driving impactful data-driven decisions.

    • Leading a team of data engineers

    • Implementing cutting-edge technologies

    • Driving impactful data-driven decisions

  • Answered by AI
  • Q2. What are your strenghts?
  • Ans. 

    My strengths include strong analytical skills, attention to detail, and the ability to work well in a team.

    • Strong analytical skills - able to analyze complex data sets and derive meaningful insights

    • Attention to detail - meticulous in ensuring data accuracy and quality

    • Team player - collaborate effectively with colleagues to achieve common goals

  • Answered by AI
Round 4 - One-on-one 

(3 Questions)

  • Q1. What projects you have worked upon?
  • Ans. 

    I have worked on projects involving building data pipelines, optimizing database performance, and creating machine learning models.

    • Built data pipelines using Apache Spark and Kafka

    • Optimized database performance by tuning queries and indexes

    • Created machine learning models for predictive analytics

    • Implemented real-time data processing using technologies like Apache Flink

  • Answered by AI
  • Q2. What is your CGPA?
  • Ans. 

    My CGPA is 3.8 out of 4.0.

    • My CGPA is 3.8, which is considered high in my university.

    • I have consistently maintained a high CGPA throughout my academic career.

    • I have received several academic awards based on my CGPA.

    • My CGPA reflects my dedication and hard work towards my studies.

  • Answered by AI
  • Q3. What are your hobbies?
  • Ans. 

    My hobbies include hiking, photography, and playing the guitar.

    • Hiking: I enjoy exploring nature trails and challenging myself physically.

    • Photography: I love capturing moments and landscapes through my camera lens.

    • Playing the guitar: I find relaxation and creativity in strumming chords and learning new songs.

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Hacker Rank Test that was not much hard

Round 2 - Technical 

(2 Questions)

  • Q1. Basics of python, SQL and pyspark
  • Q2. Projects written in the resume
Round 3 - Technical 

(2 Questions)

  • Q1. On databricks architecture
  • Q2. Previous project experience
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected
Round 1 - Coding Test 

3 SQL and 2 Python questions were asked, SQL was moderate, Python was tough

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on SQL and Python
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in May 2024. There were 4 interview rounds.

Round 1 - Coding Test 

Python and SQL questions were asked

Round 2 - One-on-one 

(1 Question)

  • Q1. I was asked about the project
Round 3 - One-on-one 

(1 Question)

  • Q1. ACID properties of DBMS
Round 4 - HR 

(1 Question)

  • Q1. HR question and family background

Interview Preparation Tips

Topics to prepare for Junglee Games Data Engineer interview:
  • SQL
  • Python
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Spark optimizations
  • Q2. Pyspark quetions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected
Round 1 - Coding Test 

Python , dictionary operations

Round 2 - HR 

(2 Questions)

  • Q1. Family background
  • Q2. Location and salary
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
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Spark based questions and coding questions

Blackstraw AI Interview FAQs

How many rounds are there in Blackstraw AI Data Engineer interview?
Blackstraw AI interview process usually has 1 rounds. The most common rounds in the Blackstraw AI interview process are Technical.
How to prepare for Blackstraw AI 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 Blackstraw AI. The most common topics and skills that interviewers at Blackstraw AI expect are Artificial Intelligence, Data Integration, Data Mining, Deep Learning and Hadoop.
What are the top questions asked in Blackstraw AI Data Engineer interview?

Some of the top questions asked at the Blackstraw AI Data Engineer interview -

  1. remove duplicates from ar...read more
  2. Python collections numpy pandas library Sql windows functions Sp...read more
  3. window funct...read more

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Blackstraw AI Data Engineer Interview Process

based on 1 interview

Interview experience

1
  
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Blackstraw AI Data Engineer Salary
based on 33 salaries
₹4.5 L/yr - ₹13.2 L/yr
21% less than the average Data Engineer Salary in India
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Blackstraw AI Data Engineer Reviews and Ratings

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3.6/5

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4.4

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3.8

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3.6

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4.1

Company culture

3.1

Promotions

3.6

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