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Pluralsight Data Engineer Interview Questions, Process, and Tips

Updated 22 Oct 2024

Pluralsight Data Engineer Interview Experiences

1 interview found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 22 Oct 2024

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

(2 Questions)

  • Q1. What data structure is used to implement a priority queue?
  • Ans. 

    Binary heap is used to implement a priority queue.

    • Binary heap is a complete binary tree where each node has a value greater than or equal to its children.

    • It can be implemented using arrays, where the parent of node at index i is at index (i-1)/2.

    • Insertion and deletion operations have time complexity of O(log n) in a binary heap.

  • Answered by AI
  • Q2. How many trees will a binary tree have?
  • Ans. 

    A binary tree can have any number of nodes, but the maximum number of trees with n nodes is 2^n.

    • A binary tree can have 0 nodes, 1 node, 2 nodes, or any number of nodes.

    • The maximum number of binary trees with n nodes is 2^n.

    • For example, a binary tree with 3 nodes can have up to 8 different structures.

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. SQL Query to return the second highest marks in a student database
  • Ans. 

    Use a SQL query to find the second highest marks in a student database.

    • Use the ORDER BY clause to sort the marks in descending order

    • Use the LIMIT clause to limit the result to the second row

  • Answered by AI
  • Q2. Program to check if two strings are anagrams
  • Ans. 

    Program to check if two strings are anagrams

    • Create a function that takes in two strings as input

    • Remove any spaces and convert both strings to lowercase for consistency

    • Sort the characters in both strings and compare if they are equal to determine if they are anagrams

    • Example: 'listen' and 'silent' are anagrams

  • Answered by AI

Skills evaluated in this interview

Data Engineer Jobs at Pluralsight

View all

Interview questions from similar companies

Interview Preparation Tips

Round: Test
Experience: Test consisted of 2 parts and lasts 90 min- Data Structure and Quant. Last year test had question on hash tables and finding least common ancestor (LCA) of two nodes of a binary tree.
Tips: Prepare for Quant and Maths
Revise your core subjects like Data structures, Networks, OS, DBMS
Go through FAQs from GeeksforGeeks.com, CareerCup.com, Data Structure Made Easy
Practice DP, trees, sorting, and string manipulation

Round: Interview
Experience: Technical round consists questions upon Data structures, Algorithms, Computer Networks,DDP/BTP and C/C++

Round: Interview
Experience: HR questions included your GATE Rank (they asked it last time!), expectations from job,job preferences.
Tips: Try to be upto-date about their work.

College Name: IIT Madras

I appeared for an interview before Apr 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Easy

It was on online objective test consisting of 4 sections: Aptitude, Technical MCQs, Code snippet based MCQs and Coding part.

  • Q1. 

    Valid Parentheses Problem Statement

    Given a string 'STR' consisting solely of the characters “{”, “}”, “(”, “)”, “[” and “]”, determine if the parentheses are balanced.

    Input:

    The first line contains an...
  • Ans. 

    The task is to determine if a given string of parentheses is balanced or not.

    • Iterate through the characters of the string and use a stack to keep track of opening parentheses.

    • When encountering an opening parenthesis, push it onto the stack. When encountering a closing parenthesis, check if it matches the top of the stack.

    • If the stack is empty at the end or there are unmatched parentheses, the string is not balanced.

    • Exa...

  • Answered by AI
  • Q2. 

    Palindrome Linked List Problem Statement

    Determine if a given singly linked list of integers is a palindrome. Return true if it is a palindrome, otherwise return false.

    Example:

    Input:
    1 -> 2 -> ...
  • Ans. 

    Check if a given singly linked list of integers is a palindrome.

    • Use two pointers to find the middle of the linked list.

    • Reverse the second half of the linked list.

    • Compare the first half with the reversed second half to determine if it is a palindrome.

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was a technical and managerial round. The interviewer gave me a situation where I am in testing team and I found that customer requirement was drop down list at a place but developer has used bullet selection, and is not ready to change it. How will you manage? I gave some good replies and he was convinced.

  • Q1. What is a virtual function?
  • Ans. 

    A virtual function is a function in a base class that is declared using the keyword 'virtual' and can be overridden by a function with the same signature in a derived class.

    • Virtual functions allow for dynamic polymorphism in object-oriented programming.

    • They are used to achieve runtime polymorphism by enabling late binding.

    • Virtual functions are declared in a base class and can be overridden in derived classes.

    • Example: v...

  • Answered by AI
  • Q2. Can you explain how to perform a level order traversal of a binary tree in spiral form?
  • Ans. 

    Level order traversal of a binary tree in spiral form involves alternating between left and right while traversing each level.

    • Start by pushing the root node into a queue.

    • While the queue is not empty, pop a node, print its value, and push its children into the queue.

    • For each level, alternate between popping nodes from the queue and printing their values from left to right or right to left.

    • Continue this process until all

  • Answered by AI
  • Q3. What are abstract classes in C++?
  • Ans. 

    Abstract classes in C++ are classes that cannot be instantiated and are designed to be base classes for other classes.

    • Abstract classes may contain pure virtual functions, making them incomplete and unable to be instantiated.

    • Derived classes must implement all pure virtual functions from the abstract class in order to be concrete classes.

    • Abstract classes can have non-virtual functions and member variables like regular cl...

  • Answered by AI
Round 3 - Face to Face 

(6 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was also a technical round. He asked to optimize the code I wrote in coding round. Then he asked me a few puzzles and questions on OOPS, OS and DBMS.

  • Q1. Can you explain the ACID properties in the context of database management systems?
  • Ans. 

    ACID properties are a set of properties that guarantee the reliability of transactions in database management systems.

    • ACID stands for Atomicity, Consistency, Isolation, and Durability.

    • Atomicity ensures that either all operations in a transaction are completed successfully or none of them are.

    • Consistency ensures that the database remains in a consistent state before and after the transaction.

    • Isolation ensures that the e...

  • Answered by AI
  • Q2. What is the difference between paging and segmentation in operating systems?
  • Ans. 

    Paging and segmentation are memory management techniques in operating systems.

    • Paging divides physical memory into fixed-size blocks called pages, while segmentation divides logical memory into variable-size segments.

    • Paging allows for efficient memory allocation and management, while segmentation provides protection and sharing of memory.

    • Paging is simpler to implement but can lead to internal fragmentation, while segmen...

  • Answered by AI
  • Q3. What is concurrency control?
  • Ans. 

    Concurrency control is a technique used in databases to manage simultaneous access and modification of data by multiple users or processes.

    • Concurrency control ensures that transactions are executed in a way that maintains data consistency and integrity.

    • Techniques like locking, timestamp ordering, and optimistic concurrency control are used to implement concurrency control.

    • For example, in a banking system, concurrency c...

  • Answered by AI
  • Q4. What is the difference between String Buffer and String Builder in Java?
  • Ans. 

    String Buffer is synchronized and thread-safe, while String Builder is not synchronized and faster.

    • String Buffer is synchronized, making it thread-safe for use in multi-threaded environments.

    • String Builder is not synchronized, resulting in faster performance but not thread-safe.

    • String Builder is preferred for single-threaded operations, while String Buffer is preferred for multi-threaded operations.

  • Answered by AI
  • Q5. What are smart pointers in C++?
  • Ans. 

    Smart pointers in C++ are objects that act like pointers but provide automatic memory management.

    • Smart pointers help prevent memory leaks by automatically managing memory allocation and deallocation.

    • Examples include unique_ptr, shared_ptr, and weak_ptr.

    • unique_ptr is used for exclusive ownership, shared_ptr for shared ownership, and weak_ptr to prevent circular references.

  • Answered by AI
  • Q6. What is the difference between a mutex and a semaphore?
  • Ans. 

    Mutex is used for exclusive access to a resource, while semaphore is used for controlling access to a resource by multiple threads.

    • Mutex is binary and allows only one thread to access the resource at a time.

    • Semaphore can have a count greater than one, allowing multiple threads to access the resource simultaneously.

    • Mutex is typically used for protecting critical sections of code, while semaphore is used for synchronizat...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAYodlee interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

3 Questions

  • Q1. Write a program for snake traversal of binary tree
  • Ans. 

    Program for snake traversal of binary tree

    • Use a stack to keep track of nodes to be visited

    • Start with the root node and push it onto the stack

    • While the stack is not empty, pop a node and print its value

    • If the level is even, push the left child first and then the right child onto the stack

    • If the level is odd, push the right child first and then the left child onto the stack

  • Answered by AI
  • Q2. To write code to check linked list is palindrome or not, in a single traversal and without using any other data structure
  • Ans. 

    Code to check if linked list is palindrome without using any other data structure and in a single traversal.

    • Traverse the linked list using two pointers, one slow and one fast

    • Reverse the first half of the linked list while traversing

    • Compare the reversed first half with the second half of the linked list

  • Answered by AI
  • Q3. Asked about OOPS concepts like abstraction, encapsulation, inheritance and polymorphism in detail and how they are implemented while programming

Interview Preparation Tips

Round: Test
Experience: It was on online objective test consisting of 4 sections: Aptitude, Technical MCQs, Code snippet based MCQs and Coding part.
Coding part had questions like balanced parenthesis check, etc.


Round: Technical Interview
Experience: Technical and managerial. Gave me a situation where I am in testing team and I found that customer requirement was drop down list at a place but developer has used bullet selection, and is not ready to change it. How will you manage? I gave some good replies and he was convinced.
Then he asked 25 horses puzzle (-----.php/puzzles/25-horses-3-fastest-5-races-puzzle/). I solved it.
He then asked me to code it. I wrote an algorithm first and then the code. He was very impressed.
He asked about virtual functions, abstract classes, pure virtual functions.


Round: Technical Interview
Experience: He asked to optimize the code I wrote in coding round.
Then he asked me candle puzzle on how to measure 30 min and 45 min.
Then he asked me the chocolate puzzle (-----.html).
What is paging and segmentation?
What are ACID properties in DBMS?
What is transaction and how is concurrency control done?
What is the difference between string builder and string buffer?
What is string pool in java?
What is JVM, JRE, JDK?
Differentiate between mutex and semaphore?
Can you override private and static members?
Contiguous and non-contiguous memory allocation?
What are Smart pointers?


Skills:
College Name: NIT Jalandhar

Skills evaluated in this interview

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

It was a Basic Aptitude Test

Round 2 - Coding Test 

We were asked to do Sorting, SQL queries (join)

Round 3 - HR 

(1 Question)

  • Q1. Can you tell me about yourself?
  • Ans. 

    I am a passionate software engineer with 5 years of experience in developing web applications using various technologies.

    • 5 years of experience in software development

    • Proficient in developing web applications

    • Skilled in using various technologies such as Java, JavaScript, and SQL

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Basic technical question oops concept
Interview experience
3
Average
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 - Coding Test 

Hackerrank algorithms and ds test

Round 3 - One-on-one 

(1 Question)

  • Q1. Technical on java and aws
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jan 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

Logical Reasoning, Questions on distances, Questions on directions

Round 2 - Coding Test 

1- Difference between array list and linked list.
2- Reverse the linked list

Round 3 - Coding Test 

1-Difference between Arraylist and Linked list.
2-Check if strings are anagram.

Interview Preparation Tips

Interview preparation tips for other job seekers - Study java OOPS concept, Collections and Basdic array and DS

Interview Questionnaire 

3 Questions

  • Q1. Proficiency with excel and excel macros ??
  • Ans. 

    Yes, I am proficient in Excel and Excel macros.

    • I have extensive experience in using Excel for data analysis and manipulation.

    • I am skilled in creating and modifying Excel macros to automate repetitive tasks.

    • I am familiar with advanced Excel functions such as VLOOKUP, PivotTables, and conditional formatting.

    • I have used Excel to create charts and graphs to visualize data.

    • I am comfortable working with large datasets in Exc...

  • Answered by AI
  • Q2. What projects had done ??
  • Q3. Previous work details

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Oct 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic stats and prob

Interview Preparation Tips

Interview preparation tips for other job seekers - Be clear with basics and do some research on the JD

Pluralsight Interview FAQs

How many rounds are there in Pluralsight Data Engineer interview?
Pluralsight interview process usually has 2 rounds. The most common rounds in the Pluralsight interview process are Aptitude Test and Technical.
How to prepare for Pluralsight 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 Pluralsight. The most common topics and skills that interviewers at Pluralsight expect are SQL, Azure Databricks, Clinical Data Management, Continuous Improvement and Data Engineering.
What are the top questions asked in Pluralsight Data Engineer interview?

Some of the top questions asked at the Pluralsight Data Engineer interview -

  1. What data structure is used to implement a priority que...read more
  2. SQL Query to return the second highest marks in a student datab...read more
  3. How many trees will a binary tree ha...read more

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Pluralsight Data Engineer Interview Process

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