MakeMyTrip Senior Software Engineer 2 Interview Questions, Process, and Tips

Q1. Reverse stack which using another stack (Recursion)
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Q2. Find element in sorted rotated array
Ans. 
Search for an element in a sorted rotated array
• Use binary search to find the pivot point where the array is rotated

• Then perform binary search on the appropriate half of the array to find the element

• Handle cases where the element is not found in the array
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Q1. LLD for twitter
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Q1. HLD for poker game
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System DEsign design spotify

Q1. Design Spotify in depth
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Spotify is a music streaming service that allows users to listen to a wide variety of songs and create personalized playlists.
• Spotify uses algorithms to recommend music based on user preferences and listening history.

• Users can create playlists, follow artists, and share music with friends.

• Spotify offers both free and premium subscription options with additional features like offline listening and ad-free music.

• The plat...read more
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Q2. Db design in depth for spotify
Ans. 
Designing a database for Spotify involves creating tables for users, songs, playlists, and interactions.
• Create tables for users, songs, playlists, interactions

• Use relational database management system like MySQL or PostgreSQL

• Implement indexes for faster query performance

• Normalize data to reduce redundancy

• Consider sharding for scalability
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Normal Easy Medium Leet Code QUestion

Q1. Design Gmail system design
Ans. 
Design a system similar to Gmail for sending and receiving emails.
• Use distributed systems for scalability and reliability

• Implement features like search, filters, labels, and attachments

• Utilize a database for storing emails and user data

• Include security measures like encryption and authentication
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Q2. Normal System design Questions
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Q1. Normal Puzzles with changes
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Q2. Design a singleton class
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A singleton class is a class that can only have one instance created throughout the application.
• Ensure the constructor is private to prevent external instantiation.

• Provide a static method to access the single instance.

• Use lazy initialization to create the instance only when needed.
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