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Optmyzr Software Developer Intern Interview Questions, Process, and Tips

Updated 16 Mar 2024

Top Optmyzr Software Developer Intern Interview Questions and Answers

  • Q1. DFS Traversal Problem Statement Given an undirected and disconnected graph G(V, E) , where V is the number of vertices and E is the number of edges, the connections betw ...read more
  • Q2. Trapping Rain Water Problem Statement You are given a long type array/list ARR of size N , representing an elevation map. The value ARR[i] denotes the elevation of the i ...read more
  • Q3. What is the difference between a thread and a process?

Optmyzr Software Developer Intern Interview Experiences

2 interviews found

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 Sep 2023. There were 3 interview rounds.

I appeared for an interview in Mar 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 110 minutes
Round difficulty - Medium

There were MCQs related to Aptitude, OS, DBMS, Coding Outputs, and Networks. And There were also 2 Coding Questions in the last.

  • Q1. 

    DFS Traversal Problem Statement

    Given an undirected and disconnected graph G(V, E), where V is the number of vertices and E is the number of edges, the connections between vertices are provided in the 'GR...

  • Ans. 

    DFS traversal to find connected components in an undirected and disconnected graph.

    • Use Depth First Search (DFS) to traverse the graph and find connected components.

    • Maintain a visited array to keep track of visited vertices.

    • For each unvisited vertex, perform DFS to explore the connected component it belongs to.

    • Print the vertices of each connected component in ascending order.

    • Repeat the process until all vertices are vis...

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 120 minutes
Round difficulty - Medium

It was a coding round. We have to solve the 3 coding questions in 120 minutes.

  • Q1. 

    Trapping Rain Water Problem Statement

    You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine th...

  • Ans. 

    Calculate the total amount of rainwater that can be trapped between given elevations in an array.

    • Iterate through the array and calculate the maximum height on the left and right of each bar.

    • Calculate the amount of water that can be trapped at each bar by taking the minimum of the maximum heights on the left and right.

    • Sum up the trapped water at each bar to get the total trapped water for the entire array.

  • Answered by AI
Round 3 - Video Call 

(2 Questions)

Round duration - 45 minutes
Round difficulty - Medium

This round was only to test my technical knowledge of various Core CSE Subjects, and along with this, projects from my CV discussed as well.

  • Q1. What is the difference between a thread and a process?
  • Ans. 

    A thread is a lightweight process within a process, sharing memory and resources, while a process is a standalone program with its own memory space.

    • Threads share memory and resources within the same process, while processes have their own memory space.

    • Threads are lightweight compared to processes, as they require less overhead to create and manage.

    • Processes are independent of each other, while threads within the same p...

  • Answered by AI
  • Q2. How are passwords stored in a Database Management System (DBMS)?
  • Ans. 

    Passwords are typically stored in a DBMS using encryption techniques to ensure security.

    • Passwords are often hashed using algorithms like SHA-256 before being stored in the database.

    • Salt is commonly added to passwords before hashing to prevent rainbow table attacks.

    • Some DBMS also support encryption at rest to further secure stored passwords.

    • Access controls and proper user authentication mechanisms are crucial to protect...

  • Answered by AI
Round 4 - HR 

Round duration - 45 minutes
Round difficulty - Medium

This round was basically to judge my Soft Skills like how I speak, and how well are my communication skills.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Lovely Professional University. I applied for the job as SDE - Intern in HyderabadEligibility criteriaAbove 8.1 CGPA, Should need to have good Competitive Programming SkillsOptmyzr, Inc. interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Computer Networks, Operating Systems, DBMS, Puzzles, OOPSTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Try to cover basic knowledge of graphs and DP, as they can be the favorite topic of the company during coding and interview rounds.
Tip 2 : Be well prepared with your CV, because you are going to be asked everything from your CV itself, so be truthful with your CV as well.
Tip 3 : Try to gain a good knowledge of OOPS, and DBMS, as it shows your development skills to the company

Application resume tips for other job seekers

Tip 1 : Your Resume should have at least 2-3 good projects and you should have proper knowledge of all the projects you will be putting into it.
Tip 2 : Your Resume should be of 1 page, and should be well maintained with sections like Education, Skills, Positions Of Responsibility (If Any), Languages, Skills, Projects, Achievements, Certifications.

Final outcome of the interviewSelected

Skills evaluated in this interview

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Interview Questionnaire 

3 Questions

  • Q1. N a line where words are separated by spaces, , and capitalize first letter of the reversed word. Other letters of the word should be in small. Input : “how are you?” → Output: “Woh Era ?uoy”
  • Ans. 

    The program capitalizes the first letter of each reversed word in a sentence.

    • Split the sentence into an array of words using space as a delimiter.

    • Reverse each word in the array and capitalize the first letter.

    • Join the modified words back into a sentence.

  • Answered by AI
  • Q2. He second question reduced to finding maximum weight matching in a bipartite graph. Not many people would have done this (maybe none)
  • Q3. There are 2 sets of countries. One set will donate clothes (something of this sort) and anotherset will accept clothes. A country can be in only 1 of the sets. The amount of clothes donated is also given. ...

Interview Preparation Tips

Round: Test
Experience: There were about 20 MCQs (30 minutes) to be done after the coding section. MCQs were totally nonsense. Can be done in 10 mins.For coding section 60 mins.  It was hosted on Hackerrank.
Duration: 90 minutes
Total Questions: 2

Round: Technical Interview
Experience: After this, selected candidates were interviewed that consists of 4 rounds and discussion was mostly on your CV and data structure problems.

General Tips: Be honest with your interviewer. If you are not comfortable in 1 topic, tell your interviewer honestly. Do well in other areas. Look for hints from the interviewer if you get stuck. They want to see how you approach a problem.
Skills: Algortihm, Data structure
College Name: IIT DELHI

Interview Questionnaire 

3 Questions

  • Q1. Algorithms on arrays and strings (coding)
  • Ans. 

    Algorithms for manipulating arrays and strings in coding

    • Use sorting algorithms like quicksort and mergesort for arrays

    • Use string manipulation functions like substring and replace for strings

    • Use dynamic programming for optimizing solutions to array and string problems

  • Answered by AI
  • Q2. Distributed Database Design
  • Q3. Large scale Ad Server Design
  • Ans. 

    Designing a large scale Ad Server

    • Use distributed systems for scalability

    • Implement caching for faster ad delivery

    • Ensure high availability and fault tolerance

    • Use real-time bidding for efficient ad placement

    • Implement fraud detection mechanisms

    • Ensure compliance with privacy regulations

  • Answered by AI

Interview Preparation Tips

Round: Interview
Experience: They tested on thought-process during design problems. What problems are with the current solution I suggested and how to improve it...
Tips: Hints from interviewer are very helpful
Keep talking while you are thinking

Skills: Algorithms, Thinking Skills, Coding
College Name: IIT KHARAGPUR

Skills evaluated in this interview

I applied via Campus Placement

Interview Questionnaire 

3 Questions

  • Q1. Tell me one thing about you that's not listed on your resume
  • Ans. 

    I am an avid traveler and have visited over 20 countries

    • I love experiencing new cultures and trying new foods

    • I have backpacked through Europe and Asia

    • I have volunteered in orphanages in Cambodia and Nepal

  • Answered by AI
  • Q2. When you hear InMobi, what's the first word that comes in your head?
  • Ans. 

    Mobile advertising platform

    • Adtech

    • Mobile marketing

    • App monetization

  • Answered by AI
  • Q3. The office of InMobi technologies has 10 floors, each with 300 employees. In the morning (7-8 AM), the building sees 3000 employees entering and waiting in a queue for 3 lifts. In the morning, everyone goe...

Interview Preparation Tips

Round: Resume Shortlist
Experience: The first round was a resume shortlist, which I think was on the basis of programming and coding courses (and projects) taken along with your CGPA. Out of 10 shortlisted people, I knew 4 and all of us were 9 pointers. The rest who I didn't know turned out to be 9 pointers as well! :P
Out of 10 shortlisted people, 3 (including me) were from ECE and the rest were from CS. Even though InMobi was open for Mathematics & Computing, no person from MnC dept. was in the shortlist. (Presumably due to their CGPAs or some other criterion that I'm not in the knowledge of.)
Tips: i) High CGPA is a must (We're talking above 9, at the end of 2nd year for CS/ECE and 3rd year for MnC)
ii)Taking programming and algorithm courses and projects is important, as that must be visible in your resume.

Round: Puzzle Interview
Experience: One special thing about the interviews, you're asked not to wear any formals! That actually helps in taking the tension off of things!
It's simple logic, after that. Increase the lift's speed (taking in mind of the safety), collecting usage data, optimising the lift's floor-stoppage according to that.
As told after the interview, the interviewer is just observing how you think and approach a problem.

One odd thing was not being asked about any coding/algorithm questions even though the profile was for a software engineer.

After this question, I was asked if I had any questions to ask. I simply stated that the work environment and culture affected me as much as the profile I'm applying for. Thus, the drive and motivation of the people who work there is also very important. So I asked what are the companies' values which the employees believe in, too.
Tips: Stay confident, don't let any tension get to your head.
In the future, InMobi may start asking coding questions too in the interviews. or change the selection procedure, which will be communicated in the PPT of InMobi.
Whatever may happen, the first round should show your zeal to solve problems, your creativity in trying different approaches, and applying logic to find the best solution.

Round: HR Interview
Experience: OK! There were a lot of questions asked since the interview was more like a conversation taking place. Like in ANY conversation, keep proper eye contact, smile and be approachable for any questions. Show enthusiasm in your voice and your answers. The interviewer asked me questions about
i)My resume, and all the activities that I'd listed there. (eg: Why did you enlist in this course? Do you like coding?)
ii)Why programming, how does it interest you?
iii)Basic questions about InMobi, like 'What do you know about us after attending the PPT?' and 'Why InMobi'

Since I had done quite a lot of marketing activities, I was also asked about that. Will you do an MBA in the future? What all did you do for marketing? I had a strong background in digital marketing, and we had a little chat about mobile marketing and what's the future of mobile advertising.
Tips: Smile, for god's sake! It's a conversation about you, do all the basic things to improve the conversational experience.
Small things like greeting the interviewer, smiling, proper eye contact, and speaking properly are paramount.

Like in any HR interview, make sure you know yourself and your resume properly, so that you don't phase out in the interview when asked some 'unexpected' question. (since that's when they know thatyou might be lying/exaggerating). Hence introspect enough before sitting the interviews.

General Tips: Make sure you're able to convince yourself and the interviewers for why do you want to work in Inmobi Technolgies.

I've already shared the rest in previous sections! :)

2 people out of 10 were selected for this internship experience, so make sure you prepare well! All the best! :D

Skill Tips: I don't think that this adds on as a skill, but InMobi wants to create a huge impact on the mobile world and the mobile advertising sector.
Your knowledge about this sector in general could help you strike good conversations (at least in the HR round).
Skills: Logic, Problem Solving Abilties, Creativity, Communication Skills
Duration: 2.5
College Name: IIT Kharagpur
Motivation: I'm a gadget geek from my childhood. The mobile industry amazes me as it's been the biggest change-bringer in the modern world. InMobi as a company wants to create a huge impact in the mobile advertising space and mobile advertising! And seeing their products that they offer in this domain had me thinking that they're doing something unique and awesome!
The work culture of InMobi is just amazing, right from flexible work hours to the epic office they have in Bangalore full of awesome people working towards that one goal! Also, InMobi offers their employees opportunities to shift between various verticals if they want to. All of this (along with a good compensation ;-) ) was enough motivation for me to apply!
Funny Moments: When I was asked whether I was in the third year, I said yes, and then said, usually people think that I'm still in high school!
We had a good laugh on that one! :P

Otherwise also, the entire procedure was relaxed and fun in general.

Interview Questionnaire 

9 Questions

  • Q1. Find Maximum sub sequence sum in an array ?
  • Ans. 

    Maximum sub sequence sum in an array

    • Use Kadane's algorithm

    • Initialize max_so_far and max_ending_here to 0

    • Iterate through the array and update max_ending_here and max_so_far

    • Return max_so_far

  • Answered by AI
  • Q2. What do you understand by the endianness of the system ? How do you find out the the type of endianness ?
  • Ans. 

    Endianness refers to the byte order of a system. It determines how multi-byte data types are stored in memory.

    • Little-endian systems store the least significant byte first, while big-endian systems store the most significant byte first.

    • Endianness can affect the way data is transmitted between systems.

    • To determine the endianness of a system, you can use the byte order mark (BOM) or write a test program that checks the by...

  • Answered by AI
  • Q3. Sort an array which consists of 0's and 1's only
  • Ans. 

    Sort an array of 0's and 1's only.

    • Use two pointers, one at the beginning and one at the end of the array.

    • Swap 0's from the beginning with 1's from the end until the pointers meet.

    • Alternatively, use a counting sort algorithm to count the number of 0's and 1's and then reconstruct the array.

  • Answered by AI
  • Q4. A question on applications of minimum spanning tree, apply prim's or kruskal's algorithm
  • Q5. What do you understand by Heaps, max and min heaps ?
  • Ans. 

    Heaps are data structures used to efficiently find the maximum or minimum element in a collection.

    • Max heap: parent nodes are always greater than or equal to child nodes

    • Min heap: parent nodes are always smaller than or equal to child nodes

    • Heaps are commonly used in priority queues and sorting algorithms

    • Heap operations include insert, delete, and extract max/min

    • Example: An array [3, 8, 2, 5, 1, 4, 6] can be represented a

  • Answered by AI
  • Q6. What do you understand by hashing ? questions on application of hashing
  • Q7. Find 3 nos a,b and c in an array where a+b = c
  • Ans. 

    Find 3 numbers in an array where a+b=c.

    • Loop through the array and check for all possible combinations of a and b.

    • Use a hash table to store the values of a and b, and check if c is present in the hash table.

    • Sort the array and use two pointers to find a and b, and then check if their sum equals c.

  • Answered by AI
  • Q8. Some puzzles, as the other interviewee said, but not asked to me
  • Q9. Questions on Dynamic programming

Interview Preparation Tips

College Name: NA

Skills evaluated in this interview

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

(2 Questions)

  • Q1. What is Indexing in Mysql
  • Ans. 

    Indexing in MySQL is a technique to improve the performance of database queries by creating a data structure that allows for faster data retrieval.

    • Indexes are created on one or more columns of a table.

    • They help in speeding up the search, sorting, and joining of data.

    • Indexes can be created using different algorithms like B-tree, hash, or bitmap.

    • Using indexes appropriately can significantly enhance query performance.

    • Exam...

  • Answered by AI
  • Q2. Opps concepts in php
  • Ans. 

    Object-oriented programming concepts in PHP

    • Encapsulation: bundling data and methods together in a class

    • Inheritance: creating new classes based on existing ones

    • Polymorphism: using a single interface to represent different types

    • Abstraction: hiding unnecessary details and exposing only essential features

    • Class: blueprint for creating objects

    • Object: instance of a class

    • Method: function defined inside a class

    • Property: variabl

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Indeed and was interviewed in Mar 2023. There were 3 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - Basics of javascript and the framework should be clear

Interview Questionnaire 

2 Questions

  • Q1. Core python
  • Q2. OOPS concept

I applied via Naukri.com and was interviewed before Oct 2021. There were 2 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident when you say the answers in the interviewer
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Optmyzr Interview FAQs

How many rounds are there in Optmyzr Software Developer Intern interview?
Optmyzr interview process usually has 3 rounds. The most common rounds in the Optmyzr interview process are Coding Test and Technical.

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Optmyzr Software Developer Intern Interview Process

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