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I applied via LinkedIn and was interviewed in Jan 2024. There were 2 interview rounds.
OOPS is a programming paradigm based on objects, Inheritance is a mechanism in OOPS, SQL basics include querying databases.
OOPS stands for Object-Oriented Programming, where data and behavior are encapsulated within objects.
Inheritance is a mechanism in OOPS where a class inherits properties and behaviors from another class.
SQL basics include querying databases using SELECT, INSERT, UPDATE, DELETE statements.
Example: I...
Find the longest sub array with 0's and 1's
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I applied via Referral and was interviewed in May 2021. There were 3 interview rounds.
Design a high-performance in-memory cache system for storing and retrieving data efficiently.
Use a hash table or a key-value store to store data in memory
Implement caching strategies like LRU (Least Recently Used) or LFU (Least Frequently Used) to manage cache eviction
Consider using a distributed cache for scalability and fault tolerance
Optimize cache size and expiration policies based on the application's data access
I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.
Asked to do coding for RDBMS using any programing language
Design an ad-click aggregation service for tracking and analyzing ad clicks.
Use a distributed system to handle high volume of ad click data
Implement real-time processing for immediate insights on ad performance
Utilize a database to store aggregated ad click data for reporting and analysis
I applied via Company Website and was interviewed in Mar 2024. There were 2 interview rounds.
Two sum related problem and advanced Priority Queue related questions
LLD and class diagram for Minesweeper game
Create classes for Board, Cell, Game, Player
Use composition to represent relationships between classes
Implement methods for revealing cells, flagging cells, checking for game over
Consider using enums for cell states (covered, uncovered, flagged)
Use UML notation to draw class diagram
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