Razorpay Sdet Engineer Interview Questions and Answers

Q1. WHAT IS OOPS, INHERITANCE, STATIC DYNAMIC BINDING
Ans. 
OOPS is Object-Oriented Programming, Inheritance is the ability of a class to inherit properties and behavior from another class, Static Binding is resolved at compile time, Dynamic Binding is resolved at runtime.
• OOPS stands for Object-Oriented Programming, which is a programming paradigm based on the concept of objects.

• Inheritance is a feature in OOP that allows a class to inherit properties and behavior from another ...read more
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Data structure and algo questions from leetcode

Machine coding assignment

Q1. Design Content Delivery Network
Ans. 
Designing a Content Delivery Network (CDN) for efficient content distribution.
• Identify target audience and content types

• Select appropriate CDN providers based on needs (e.g. Akamai, Cloudflare)

• Implement caching strategies for static and dynamic content

• Optimize network routing for faster delivery

• Monitor performance and adjust as needed
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Q2. Design notification service
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Design a notification service for sending alerts to users.
• Identify types of notifications (email, SMS, push notifications)

• Implement a notification queue to handle high volume of notifications

• Allow users to customize notification preferences

• Include monitoring and logging for tracking delivery status

• Consider scalability and reliability of the service
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Q1. Multithreading code
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Q1. LinkedList / Tree
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Q2. DP - Recursion - PnC
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Q1. Projects , Last Exp
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Was asked simple puzzle questions.

Aptitude questions to be asked in this round

Write a Java program to sort array in ascending order

Dsa Question based on Arrays, graph and strings

Q1. Pattern printing question. Start pattern
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Q1. Had got a take home assignment
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Q1. This was a technical round asking questions speicific to testing , like how would you check logs, where are they stored, etc
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With recruiter/HR.The salary expectation was discussed and joining date etc.