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SDE - Intern

Disney + Hotstar
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2 rounds | 3 Coding problems

Interview preparation journey

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Journey
I completed my engineering degree in Information Technology in 2016 and pursued a Master's degree called MSIT from IIIT-H, which is different from a typical M.Tech degree. In 2018, I secured an internship at NVIDIA in Pune through campus placements. However, after working for six months as an intern, I couldn't get a PPO due to internal reasons, leaving me jobless by the end of 2018. Searching for jobs online proved challenging as most companies required 3 to 5 years of experience, which I lacked. I spent a year looking for jobs without upskilling myself. In July 2019, following my father's advice, I started preparing for bank exams. I cleared the IBPS Prelims in September 2019 but failed the Mains in January 2020. This setback left me shattered and uncertain about my future. In February 2020, I visited IISc Bangalore on International Science Day, which left a lasting impression on me. Inspired by this experience, I decided to prepare seriously for GATE 2021 to pursue another Master's degree from a reputed institute. I took video lectures from Ravindrababu Ravula, whose guidance was instrumental in my GATE preparation. I cracked GATE 2021 with an All India Rank of 965 and joined IIIT-Bangalore as an M.Tech student despite a three-year career gap. My journey at IIIT-B was inspiring and memorable. The institute played a crucial role in helping me secure an internship at IBM through campus placements, and I am fortunate to have this opportunity.
Application story
It was a campus placement. So there was nothing much to do for the application. We had to apply for the companies that we were interested in.
Why selected/rejected for the role?
I was rejected for the role as I could not explain topics like load balancing and AWS EC2 instances. So it is better to have at least a brief overview about these topics so that you do not go blank during the interview.
Preparation
Duration: 2 months
Topics: Data structures, Web development, Web hosting, Load Balancing techniques, Algorithms
Tip
Tip

Tip 1: As Hotstar mainly focuses on load balancing and managing max number of users, make sure you know such topics.
Tip 2: Avoid including projects that you did in-system programming or C++ command line projects.

Application process
Where: Campus
Eligibility: Above 7.5 CPGA and no current backlogs.
Resume Tip
Resume tip

Tip 1: Have projects from different tech stacks such as ReactJS and AngularJS for frontend, NodeJS and Spring Boot for backend, etc.

Tip 2: Avoid including low-level programming projects as they are not of much interest.

Interview rounds

01
Round
Hard
Online Coding Interview
Duration90 minutes
Interview date7 Sep 2022
Coding problem2

The timing was at night, 7 PM to 8:30 PM. There were a few MCQs and two coding questions. I remember those two coding questions but not the MCQs.

1. Broken Calculator

Easy
20m average time
80% success
0/40
Asked in companies
SnapdealPaytm (One97 Communications Limited)Arcesium

You are given two integers ‘X’ and ‘Y’. You can convert the number ‘X’ into another integer ‘Y’ using the following two operations in any order.

i) Multiply ‘X’ by 2 
ii) Subtract 1 from ‘X’

Your task is to find the minimum number of operations needed to convert ‘X’ into ‘Y’.

Note: It is always possible to convert ‘X’ into ‘Y’

Try solving now

2. Alternate Positive and Negative

Easy
15m average time
80% success
0/40
Asked in companies
PayUAmazonDisney + Hotstar

You are given an array ‘arr’ that contains an equal number of positive and negative elements. Rearrange the given array such that positive and negative numbers are arranged alternatively. Also, the respective relative order of positive and negative should be maintained.

For example:

For the given arr[ ] = { -1, 3, 5, 0, -2, -5 } 
arr[ ] = {3, -1, 5, -2, 0, -5 } is valid rearrangement.
arr[ ] = {3, -1, 0, -2, 5, -5 } is invalid rearrangement; order of 0 and 5 is changed. 
arr[ ] = {3, -1, 5, 0, -2, -5 } is invalid rearrangement; positive and negative elements are not alternative.

Note:

Make changes in the same array and no returning or printing is needed.
Consider zero(0) as a positive element for this question.
It is guaranteed that an answer always exists.
Try solving now
02
Round
Hard
Video Call
Duration60 minutes
Interview date12 Sep 2022
Coding problem1

Timing: Morning 11 AM to 12 PM.

1. Technical Questions

Explain any one project from your resume.

Explain Load balancing. (Learn)

Do you have any experience in AWS/GCP/Azure platforms? Such as AWS EC2 instance would be great.

Here's your problem of the day

Solving this problem will increase your chance to get selected in this company

Skill covered: Programming

Which of these access modifiers must be used for the main() method?

Choose another skill to practice
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