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I applied via Referral and was interviewed in Apr 2022. There were 3 interview rounds.
I applied via Job Portal
I applied via Campus Placement
Netflix's issue with stale choices and how to redesign the recommendation system.
The issue with Netflix is that the recommendation system often suggests stale choices, leading to user dissatisfaction and decreased engagement.
To solve this problem, we can incorporate more user feedback and preferences into the recommendation algorithm.
We can also use machine learning to analyze user behavior and suggest more personalize...
Estimate cost structure and number of songs in Airtel Wynk. Calculate total cost if hosted on AWS.
Cost structure includes licensing fees, server maintenance, employee salaries, etc.
Number of songs depends on licensing agreements and storage capacity.
Total cost on AWS depends on usage and storage fees.
Example: Licensing fees for 1 million songs could be $500,000 per year.
Example: AWS usage fees could be $0.10 per GB per...
Amazon Prime's success lies in its convenience, value, and customer-centric approach.
Prime offers free and fast shipping, access to streaming services, and exclusive deals.
Amazon prioritizes customer satisfaction and continuously improves Prime benefits.
To increase users, Amazon can offer more localized content, expand partnerships, and improve marketing efforts.
Amazon can also offer more personalized recommendations a
OTT players in India have adopted a smart strategy to capture the market.
OTT players are focusing on creating original content to attract viewers.
They are also offering regional content to cater to the diverse Indian audience.
OTT players are partnering with telecom companies to offer bundled services.
They are also investing in technology to improve user experience.
OTT players are adopting a freemium model to attract mo...
I appeared for an interview before Sep 2020.
Round duration - 60 Minutes
Round difficulty - Easy
A thief is planning to rob a store and can carry a maximum weight of 'W' in his knapsack. The store contains 'N' items where the ith item has a weight of 'wi' and a value of...
Yes, the 0/1 Knapsack problem can be solved using dynamic programming with a space complexity of not more than O(W).
Use a 1D array to store the maximum value that can be stolen for each weight capacity from 0 to W.
Iterate through each item and update the array based on whether including the item would increase the total value.
The final value in the array at index W will be the maximum value that can be stolen.
Given an array or list of integers 'ARR', identify the second largest element in 'ARR'.
If a second largest element does not exist, return -1.
ARR = [2,...
Find the second largest element in an array of integers.
Iterate through the array to find the largest and second largest elements.
Handle cases where all elements are identical.
Return -1 if a second largest element does not exist.
Round duration - 60 Minutes
Round difficulty - Easy
System Design Round
Design a scalable system for Twitter with key components and architecture.
Use microservices architecture for scalability and fault isolation.
Key components include user service, tweet service, timeline service, and notification service.
Use a distributed database like Cassandra for storing tweets and user data.
Implement a message queue like Kafka for handling real-time updates and notifications.
Use a caching layer like ...
Round duration - 30 Minutes
Round difficulty - Easy
It is just a formality
Tip 1 : System Design
Tip 2 : Practice questions from leetcode
Tip 3 : Have some projects.
Tip 1 : Mention what you know
Tip 2 : Good previous work to showcase
I applied via LinkedIn and was interviewed before May 2020. There was 1 interview round.
I applied via Walk-in and was interviewed in May 2021. There was 1 interview round.
I appeared for an interview in Nov 2020.
I applied via Referral and was interviewed before Jun 2019. There were 4 interview rounds.
I applied via Instahyre and was interviewed in May 2024. There were 2 interview rounds.
Two medium DSA questions based on strings.
Design a video conferencing platform similar to Google Meet.
Implement real-time video and audio streaming
Include features like screen sharing, chat, and participant management
Ensure scalability to support large number of users
Focus on security and privacy measures
Optimize for low latency and high quality video/audio
Hellbound test are not required to select 1 employee
I am here because I am passionate about analyzing data and providing valuable insights to drive decision-making.
Passionate about data analysis
Enjoy providing valuable insights
Driven to help make informed decisions
I will tell you about my experience volunteering at a local animal shelter.
Volunteered at local animal shelter for 6 months
Assisted with feeding, cleaning, and socializing with animals
Helped organize adoption events and fundraisers
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