,INTRODUCTION BY THE AUTHORS
Dear 365 Readers,
We wrote this book to help you master the art of interviewing for a data science
job-specific technical questions to tricky behavioral inquires and unexpected brainteas
timates, we will prepare you for any job candidacy in the field – data scientist, data an
data engineer or data architect.
Data Science Interview Questions and Answers is the result of our data science e
experience interviewing at companies, and countless conversations with job candidate
Its goal is to teach by example - not only by giving you a list of interview question
swers, but also by sharing the techniques and thought processes behind each quest
pected answer. Once you read it, you’ll have all the knowledge and tools to succeed
science interview.
How to Use This Book for Best Results? Award yourself with enough time to w
questions. This way, you’ll really understand what they are asking and what informa
highlight for the best response. If studied well, this book will enhance both your technic
nication skills.
We are excited for your data science journey to begin! Do your very best, practice, a
Iliya Valchanov Ellie Kaloyan
Co-Founder and Instructor at 365 Data Science Python, R, and ML Instructor
Ned Krastev Martin Ganc
Co-Founder and Instructor at 365 Data Science Python and SQL Instructor
, CONTENTS
How to prepare for data science interview questions?
Data Scientist Interview Questions
General Data Scientist Interview Questions
Technical Data Scientist Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
Data Analyst Interview Questions
General Data Analyst Interview Questions
Technical Data Analyst Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
BI Analyst Interview Questions
General BI Analyst Interview Questions
Technical BI Analyst Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
Data Engineer Interview Questions
General Data Engineer Interview Questions
Technical Data Engineer Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
Data Architect Interview Questions
General Data Architect Interview Questions
Technical Data Architect Interview Questions
Behavioral Questions
Brainteasers
, HOW TO PREPARE FOR DATA SCIENCE INTERVIEW Q
If you want to successfully land a job in data We’ll guide you all the way:
science, knowing your stuff and putting it in a neat
package with an impressive CV, an outstanding port- • from the general interview
folio, and a flashy resume will only get you halfway need to make a great first
through the door. • through the fundamental
What will open it is understanding the whole • to the behavioral question
data science interview process and how to navigate guesstimates that will hel
it smoothly – from seeing that job posting to closing contract.
the deal with a welcome-to-the-team handshake.
And with this in-depth resource, we’re going to Practically, everything you
show you how to get there. all levels of preparation. And th
We’ve prepared a collection of 180 straight-to- that will ultimately help you get
the-point data science questions paired with their you’re qualified for.
answers categorized by career paths – data scien-
tist, data analyst, BI analyst, data engineer, and data So let’s dive right in.
architect.
Dear 365 Readers,
We wrote this book to help you master the art of interviewing for a data science
job-specific technical questions to tricky behavioral inquires and unexpected brainteas
timates, we will prepare you for any job candidacy in the field – data scientist, data an
data engineer or data architect.
Data Science Interview Questions and Answers is the result of our data science e
experience interviewing at companies, and countless conversations with job candidate
Its goal is to teach by example - not only by giving you a list of interview question
swers, but also by sharing the techniques and thought processes behind each quest
pected answer. Once you read it, you’ll have all the knowledge and tools to succeed
science interview.
How to Use This Book for Best Results? Award yourself with enough time to w
questions. This way, you’ll really understand what they are asking and what informa
highlight for the best response. If studied well, this book will enhance both your technic
nication skills.
We are excited for your data science journey to begin! Do your very best, practice, a
Iliya Valchanov Ellie Kaloyan
Co-Founder and Instructor at 365 Data Science Python, R, and ML Instructor
Ned Krastev Martin Ganc
Co-Founder and Instructor at 365 Data Science Python and SQL Instructor
, CONTENTS
How to prepare for data science interview questions?
Data Scientist Interview Questions
General Data Scientist Interview Questions
Technical Data Scientist Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
Data Analyst Interview Questions
General Data Analyst Interview Questions
Technical Data Analyst Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
BI Analyst Interview Questions
General BI Analyst Interview Questions
Technical BI Analyst Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
Data Engineer Interview Questions
General Data Engineer Interview Questions
Technical Data Engineer Interview Questions
Behavioral Questions
Brainteasers
Guesstimate
Data Architect Interview Questions
General Data Architect Interview Questions
Technical Data Architect Interview Questions
Behavioral Questions
Brainteasers
, HOW TO PREPARE FOR DATA SCIENCE INTERVIEW Q
If you want to successfully land a job in data We’ll guide you all the way:
science, knowing your stuff and putting it in a neat
package with an impressive CV, an outstanding port- • from the general interview
folio, and a flashy resume will only get you halfway need to make a great first
through the door. • through the fundamental
What will open it is understanding the whole • to the behavioral question
data science interview process and how to navigate guesstimates that will hel
it smoothly – from seeing that job posting to closing contract.
the deal with a welcome-to-the-team handshake.
And with this in-depth resource, we’re going to Practically, everything you
show you how to get there. all levels of preparation. And th
We’ve prepared a collection of 180 straight-to- that will ultimately help you get
the-point data science questions paired with their you’re qualified for.
answers categorized by career paths – data scien-
tist, data analyst, BI analyst, data engineer, and data So let’s dive right in.
architect.
