Loop Health Software Engineer Interview Questions and Answers

2 DSA questions Both are from DP

Q1. 2 Questions , 1 is DSA
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Q2. Second question is Puzzle
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2 Leetcode medium - LRU Cache and sliding window question

Q1. Design Whatsapp
Ans. 
Design a messaging app like Whatsapp
• Implement end-to-end encryption for secure messaging

• Allow users to send text messages, images, videos, and documents

• Include features like group chats, voice and video calls, status updates

• Provide option for users to share their location

• Develop a user-friendly interface with customizable settings
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1 hr and it is pretty easy and having snippets technical questions etc

I didn't selected for second round

View of B Tree , internal of hashmap

Basic dsa questions and java spring boot questions

Q1. Bookmyshow design
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Q2. Notification service design
Ans. 
Design a notification service for sending alerts to users.
• Use a scalable messaging system like Kafka or RabbitMQ to handle high volume of notifications.

• Implement a notification queue to ensure reliable delivery of notifications.

• Include support for different types of notifications such as email, SMS, and push notifications.

• Allow users to customize their notification preferences and frequency.

• Implement monitoring and log...read more
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There were 5 question out of which 2 were coding Data Structure problems , 1 was SQL based , 1 was AI based Problem ( Machine Learning ) and 1 was to create UML Diagram.
First Coding question was pretty easy , other one was kinda tough , UML Diagram was also easy and SQL query was of moderate level.

Q1. Question around priority queue
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Q2. Decode strings leetcode
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Q1. System design questions scenario based
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Q1. Questions on multidimensional tree
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