Disney+ Hotstar Interview Questions, Process, and Tips

Q1. Basic HR questions, demonstrate vlookup, pivot table, sumifs/sumif, countifs/countif.
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Q1. UXR methods & understanding
Ans. 
Understanding of various User Experience Research methods is crucial for success in the role of a UXR.
• Knowledge of qualitative and quantitative research methods

• Experience with usability testing, interviews, surveys, and focus groups

• Ability to analyze and interpret data to derive actionable insights
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Q1. What would be the success metrics if profiles were to be introduced in Hotstar
Ans. 
Success metrics for introducing profiles in Hotstar
• Increase in user engagement and time spent on the platform

• Growth in the number of active users and new user registrations

• Higher user satisfaction and retention rates

• Improved personalization and recommendation accuracy

• Increase in the number of premium subscriptions

• Reduction in customer support queries related to account management
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Q1. Design a e-commerce website on popular social media platform
Ans. 
Design an e-commerce website on a popular social media platform.
• Choose a social media platform with a large user base and strong e-commerce capabilities.

• Integrate the e-commerce functionality seamlessly into the platform's existing features.

• Ensure a user-friendly interface and intuitive navigation for a smooth shopping experience.

• Implement secure payment gateways and robust customer support.

• Leverage social media featur...read more
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Q1. Should a popular OTT platform enter into podcast space
Ans. 
Yes, a popular OTT platform should enter into the podcast space.
• Podcasts are a rapidly growing medium with a large and engaged audience.

• Entering the podcast space can help the OTT platform diversify its content offering and attract new users.

• Podcasts can provide additional revenue streams through advertising and sponsorships.

• By leveraging their existing user base and infrastructure, the OTT platform can quickly establi...read more
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Round duration - 60 minutes
Round difficulty - Medium

It was Data Structures plus computer fundamentals round.

Q1. 
LRU Cache Design Question
Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:
1. get(key) - Return the value of the key if it exists in the cache; otherw...read more
Ans. 
Design a Least Recently Used (LRU) cache data structure that supports get and put operations with a given capacity.
• Implement a doubly linked list to keep track of the order of keys based on their recent usage.

• Use a hashmap to store key-value pairs for quick access and updates.

• When capacity is reached, evict the least recently used item before inserting a new item.

• Update the position of a key in the linked list whenever
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Q2. Can you explain the concepts of Mutex and Semaphore in operating systems?
Ans. 
Mutex and Semaphore are synchronization mechanisms used in operating systems to control access to shared resources.
• Mutex is used to provide mutual exclusion, allowing only one thread to access a resource at a time.

• Semaphore is used to control access to a resource by multiple threads, with a specified number of permits available.

• Mutex is binary in nature (locked or unlocked), while Semaphore can have a count greater tha...read more
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Round duration - 60 minutes
Round difficulty - Medium

Had some coding questions. Asked me about my projects. What is html. What is dom and how do we manipulate it.

Q1. 
Next Greater Element Problem Statement
Given a list of integers of size N, your task is to determine the Next Greater Element (NGE) for every element. The Next Greater Element for an element X is the firs...read more
Ans. 
The task is to find the Next Greater Element for each element in a list of integers.
• Iterate through the list of integers from right to left.

• Use a stack to keep track of elements whose NGE is yet to be found.

• Pop elements from the stack until a greater element is found or the stack is empty.

• Assign the NGE as the top element of the stack or -1 if the stack is empty.
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Q2. 
Find the Row with the Maximum Number of 1's
You are given a non-empty grid MAT with 'N' rows and 'M' columns, where each element is either 0 or 1. All rows are sorted in ascending order.
Your task is to ...read more
Ans. 
Find the row with the maximum number of 1's in a grid of 0's and 1's, returning the index of the row with the most 1's.
• Iterate through each row of the grid and count the number of 1's in each row

• Keep track of the row index with the maximum number of 1's seen so far

• Return the index of the row with the maximum number of 1's
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Round duration - 60 minutes
Round difficulty - Medium

Interview with Engineering Manager

Q1. Tell me about your experience
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Q2. What would you suggest to improve the content
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