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Bain & Company Data Engineer Interview Questions and Answers

Updated 5 Sep 2024

Bain & Company Data Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Project related discussions
  • Q2. Meduim level SQl and DSA
Round 2 - One-on-one 

(2 Questions)

  • Q1. This was data modelling round
  • Q2. Design a uber data model
  • Ans. 

    Uber data model design for efficient storage and retrieval of ride-related information.

    • Create tables for users, drivers, rides, payments, and ratings

    • Include attributes like user_id, driver_id, ride_id, payment_id, rating_id, timestamp, location, fare, etc.

    • Establish relationships between tables using foreign keys

    • Implement indexing for faster query performance

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare SQl, Python and data modeling

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Sql constrainsts, star schema, dml dcl commands
  • Q2. About cureent project and responsibilities
Round 2 - Technical 

(2 Questions)

  • Q1. Current projects and resposibilities
  • Q2. Where vs having, reason for job change

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Technical - about you current project and responsibilities, basic SQL question-constraints, starschema, DML DCL command, one sql query write.
2. Technical with senior manager- about project ,where vs having , reason of job change
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
No response

I was interviewed in Dec 2024.

Round 1 - Technical 

(6 Questions)

  • Q1. What is spark,explain its ecosystem
  • Q2. What are transformations, and how many types of transformations exist?
  • Q3. Explain about spark job process and its planning
  • Q4. What are the concepts of coalesce and repartition in data processing?
  • Q5. Explain about oom and driverhead memory
  • Q6. What is data skewness
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Dec 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Sql order of execution
  • Ans. 

    SQL order of execution determines the sequence in which different clauses are processed in a query.

    • SQL query is parsed and validated first

    • Next, the query optimizer creates an execution plan

    • Execution plan includes steps like table scans, index scans, joins, etc.

    • Finally, the query is executed and results are returned

  • Answered by AI
  • Q2. Sql question on finding highest salary for each employee where employees and department table are given in each department.

Interview Preparation Tips

Topics to prepare for Ernst & Young Data Engineer interview:
  • SQL
  • Python
  • Pyspark
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Project explaining
  • Q2. Write code to generate csv file with note pad data
  • Ans. 

    Code to generate a CSV file with notepad data

    • Open a text file and read the data

    • Parse the data and write it to a CSV file

    • Use libraries like pandas in Python for easier CSV handling

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - Coding Test 

Maxium sub string and reverse a string

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

(1 Question)

  • Q1. Data warehouse concepts
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 tips
Round 2 - Aptitude Test 

The test was conducted on AMCAT by SHL. The questions were pretty moderate

Round 3 - One-on-one 

(2 Questions)

  • Q1. I was asked SQL and about my project on data science. The interview was not much difficult
  • Q2. I was also asked a riddle. 9 coins with 1 coin having different weight - find odd one out
Round 4 - One-on-one 

(1 Question)

  • Q1. Was asked DBMS and about my project

Interview Preparation Tips

Interview preparation tips for other job seekers - Brush up with all the concepts, and don't lie in resume
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Round 1 was online Test where one basic coding question was there and few aptitiude , verbal ability and python based question.

Round 2 - One-on-one 

(2 Questions)

  • Q1. What is Data WareHouse..?
  • Q2. Nested Queries in Bigquery..?

Interview Preparation Tips

Topics to prepare for Deloitte Data Engineer interview:
  • Python
  • SQL
  • Cloud
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. Spark architecture
  • Q2. Difference between coalesce and reparation
  • Ans. 

    Coalesce is used to return the first non-null value among its arguments, while reparation is not a standard function in SQL.

    • Coalesce is a standard SQL function, while reparation is not.

    • Coalesce returns the first non-null value among its arguments.

    • Reparation is not a standard SQL function and may refer to a custom function or process specific to a certain system or application.

  • Answered by AI
  • Q3. SQL question using Lag window function
  • Q4. Same question in Pyspark
  • Q5. Project and day to day activities
Round 2 - Behavioral 

(2 Questions)

  • Q1. Scenario based questions
  • Q2. Gave details about work

Interview Preparation Tips

Topics to prepare for PwC Data Engineer interview:
  • Spark
  • SQL
  • Pyspark
  • Project
  • Soft Skills

Skills evaluated in this interview

Bain & Company Interview FAQs

How many rounds are there in Bain & Company Data Engineer interview?
Bain & Company interview process usually has 2 rounds. The most common rounds in the Bain & Company interview process are One-on-one Round.
How to prepare for Bain & Company 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 Bain & Company. The most common topics and skills that interviewers at Bain & Company expect are Python, Business Intelligence, Coding, Consulting and Data Management.
What are the top questions asked in Bain & Company Data Engineer interview?

Some of the top questions asked at the Bain & Company Data Engineer interview -

  1. Design a uber data mo...read more
  2. Meduim level SQl and ...read more
  3. Project related discussi...read more

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Bain & Company Data Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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