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Octro Interview Questions, Process, and Tips

Updated 12 Feb 2025

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Data Engineer Interview Questions & Answers

user image Anonymous

posted on 24 Aug 2024

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

I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

70 Technical and Aptitude mcqs to solve in 50 minutes

Round 2 - Technical 

(2 Questions)

  • Q1. What is overloading and overriding?
  • Ans. 

    Overloading is having multiple methods with the same name but different parameters. Overriding is implementing a method in a subclass that is already defined in the parent class.

    • Overloading allows a class to have multiple methods with the same name but different parameters.

    • Overriding occurs when a subclass provides a specific implementation of a method that is already provided by its parent class.

    • Overloading is resolve...

  • Answered by AI
  • Q2. What is difference between Primary and unique key in dbms?
  • Ans. 

    Primary key uniquely identifies a record in a table, while unique key ensures all values in a column are distinct.

    • Primary key does not allow NULL values, while unique key allows one NULL value.

    • A table can have only one primary key, but multiple unique keys.

    • Primary key is a combination of unique and not null constraints.

    • Primary key is used to establish relationships between tables, while unique key is used to enforce un

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Octro Data Engineer interview:
  • OOPS
Interview preparation tips for other job seekers - Clear all the basics of things mentioned in resume.

Skills evaluated in this interview

Data Engineer Interview Questions asked at other Companies

Q1. Optimal Strategy for a Coin Game You are playing a coin game with your friend Ninjax. There are N coins placed in a straight line. Here are the rules of the game: 1. Each coin has a value associated with it. 2. The game involves two players... read more
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Data Analyst Interview Questions & Answers

user image Parth Jasathy

posted on 14 Jan 2025

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

Different question were asked on sql python java

Data Analyst Interview Questions asked at other Companies

Q1. Suppose there is a room in the office and X people enter room throughout the day, Y people leave throughout the day [continuously people are entering the room, some are staying there, and rest are going out] .. so tell me the code to calcul... read more
View answer (11)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Feb 2024.

Round 1 - Coding Test 

There were two coding questions; one was related to linked lists, and the other was linked to binary trees.

Round 2 - Technical 

(4 Questions)

  • Q1. Can you elaborate on the project discussion you mentioned in your resume?
  • Ans. 

    Developed a web application for tracking inventory and sales data

    • Used React for front-end development

    • Implemented RESTful APIs using Node.js and Express for back-end

    • Utilized MongoDB for database management

    • Integrated authentication and authorization features for secure access

    • Implemented data visualization using Chart.js

  • Answered by AI
  • Q2. Can you provide the code to reverse a linked list?
  • Ans. 

    Reversing a linked list involves changing the direction of pointers to go from the end to the beginning.

    • Start by initializing three pointers: current, previous, and next.

    • Iterate through the linked list, updating the pointers to reverse the direction of the links.

    • Update the head of the linked list to point to the new first node, which was the original last node.

  • Answered by AI
  • Q3. Some questions were asked regarding the four pillars of Object-Oriented Programming (OOP)?
  • Q4. Questions related to pointers, dangling pointers.
Round 3 - Technical 

(4 Questions)

  • Q1. Program for finding the perfect squares between two numbers.
  • Ans. 

    Program to find perfect squares between two numbers

    • Iterate through numbers between the given range

    • Check if the square root of the number is an integer

    • If yes, then it is a perfect square

  • Answered by AI
  • Q2. 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
  • Q3. What is mutual exclusion in the context of concurrent programming?
  • Ans. 

    Mutual exclusion is a concept in concurrent programming where only one thread can access a shared resource at a time.

    • Ensures that only one thread can access a critical section of code at a time

    • Prevents race conditions and data corruption

    • Commonly implemented using locks, semaphores, or mutexes

    • Example: Using a mutex to protect a shared variable in a multi-threaded application

  • Answered by AI
  • Q4. What is the process for implementing multithreading?
  • Ans. 

    Implementing multithreading involves creating and managing multiple threads to execute tasks concurrently.

    • Identify the tasks that can be executed concurrently

    • Create and manage multiple threads to execute these tasks simultaneously

    • Use synchronization techniques like locks and semaphores to prevent race conditions

    • Handle communication and coordination between threads

    • Consider thread safety and resource sharing issues

  • Answered by AI

Skills evaluated in this interview

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

General aptitude test and coding test on some website

Round 2 - Technical 

(2 Questions)

  • Q1. Find sum of digits using recursion
  • Ans. 

    Recursively find the sum of digits in a given number

    • Create a recursive function that takes in a number as input

    • Base case: if the number is less than 10, return the number

    • Recursive case: return the last digit of the number added to the result of calling the function with the number divided by 10

    • Example: For input 123, the sum of digits would be 1 + 2 + 3 = 6

  • Answered by AI
  • Q2. Find some of each level in a tree
  • Ans. 

    To find some of each level in a tree, traverse the tree level by level and sum the values at each level.

    • Traverse the tree level by level using BFS (Breadth First Search)

    • At each level, sum the values of the nodes

    • Store the sum of each level in an array of strings

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It was an easy interview experience just make sure to cover all the edge cases

Skills evaluated in this interview

Member Technical Staff 1 Interview Questions asked at other Companies

Q1. Valid parenthesis (all approaches ) time and space complexity and past projects.
View answer (1)

Octro interview questions for popular designations

 Project Manager

 (1)

 Software Engineer

 (1)

 Data Analyst

 (1)

 Member Technical Staff 1

 (1)

 Data Engineer

 (1)

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jan 2022. There were 4 interview rounds.

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 

It was a time constraint exam with easy to hard questions in the questionnaire. There were multiple choice questions from English, Aptitude, Basic technical questions.

Round 3 - Interview 

(1 Question)

  • Q1. Questions were related to mostly everything that was mentioned in the resume.Questions included technical discussion , communication, games & puzzles, hobies etc. It was a great experience overall.
Round 4 - One-on-one 

(1 Question)

  • Q1. Mostly situation based questions were there. They tested writing skills.

Interview Preparation Tips

Interview preparation tips for other job seekers - To pass any interview, it is very important to present your skills and knowledge confidently.Be positive & work hard.

Project Manager Interview Questions asked at other Companies

Q1. What is success & what is failure to you? How do you handle failure? - not much interviewer asks such questions, but I believe these are very important questions, if you want to succeed.
View answer (1)

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Mar 2019. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Questions related to Object oriented programming and data structures

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn with all your efforts. Be confident in what you say. Learn to apply what you have studied, that's what most of the interviewers expect.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected

I applied via Referral and was interviewed before Nov 2023. There was 1 interview round.

Round 1 - Aptitude Test 

Basic aptitude test, if you know basic maths you can easily crack it.

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

I applied via Campus Placement and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

We have given 12 puzzles on hackerearth based on probability and statistics and have to solve in 45 minutes

Round 2 - Technical 

(2 Questions)

  • Q1. There is a biased dice with the probability of 1 and 2 is 25% each. Find the probability of even number.
  • Ans. 

    The probability of rolling an even number on a biased dice with 25% chance for 1 and 2 is 50%.

    • The biased dice has a 25% chance for rolling a 1 and a 25% chance for rolling a 2, totaling 50% for odd numbers.

    • Since there are only two odd numbers on a dice (1 and 2), the probability of rolling an even number is 50%.

    • The probability of rolling an even number on a standard dice is 50% as well, since there are 3 even numbers o

  • Answered by AI
  • Q2. What is the pdf and pmf?
  • Ans. 

    PDF stands for Probability Density Function and PMF stands for Probability Mass Function.

    • PDF is used for continuous random variables while PMF is used for discrete random variables.

    • PDF represents the probability distribution of a continuous random variable.

    • PMF represents the probability distribution of a discrete random variable.

    • Example: PDF can be used to calculate the probability of a random variable falling within a...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for PlaySimple Games Business Analyst interview:
  • Probability
  • Statistics
  • Puzzle
Interview preparation tips for other job seekers - Be focused on puzzle based on probability
Interview experience
4
Good
Difficulty level
-
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Dec 2023. There were 4 interview rounds.

Round 1 - Coding Test 

Two coding questions and 15 mcq

Round 2 - Technical 

(2 Questions)

  • Q1. Questions on priority queue
  • Q2. Question on dp , stack were askef
Round 3 - Technical 

(2 Questions)

  • Q1. Graph related questions
  • Q2. Database related questions
Round 4 - HR 

(2 Questions)

  • Q1. If you are fine with flexible timings
  • Ans. 

    Yes, I am fine with flexible timings as it allows me to manage my work-life balance effectively.

    • I am comfortable with flexible timings as it helps me accommodate personal commitments.

    • I believe in focusing on productivity rather than strict working hours.

    • I am adaptable and can work efficiently regardless of the time of day.

    • I can provide examples of times when flexible timings have benefited my work performance.

  • Answered by AI
  • Q2. Discussed about projects

I applied via Referral and was interviewed in Aug 2022. There were 2 interview rounds.

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 

There were 10 questions and we were given 30 mins to solve them , questions were medium to hard level mcq

Interview Preparation Tips

Topics to prepare for PlaySimple Games Business Analyst interview:
  • Business Analysis
Interview preparation tips for other job seekers - Practice puzzles and analytical questions as most were questions you need to think a lot
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Octro Interview FAQs

How many rounds are there in Octro interview?
Octro interview process usually has 2-3 rounds. The most common rounds in the Octro interview process are Aptitude Test, Technical and Resume Shortlist.
How to prepare for Octro 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 Octro. The most common topics and skills that interviewers at Octro expect are Campaign Management, Marketing, Digital Marketing, C++ and SQL.
What are the top questions asked in Octro interview?

Some of the top questions asked at the Octro interview -

  1. What is difference between Primary and unique key in db...read more
  2. What is mutual exclusion in the context of concurrent programmi...read more
  3. What is the process for implementing multithreadi...read more

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Octro Interview Process

based on 7 interviews

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