Upstox Tele Caller Interview Questions and Answers

Q1. Strength and weakness
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Q1. Private equity waterfall
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Design dream11. Bonus - how notification will be sent to customer for milestone of a player they have followed at scale.

Two DSA Questions
1. Check whether two strings are anagram or not?
2. Create power function without using Math.pow() library?

Q1. LLD to design whatsapp
Ans. 
Designing WhatsApp involves creating a high-level design for the messaging app, focusing on features like chat, groups, calls, and media sharing.
• Implement chat functionality with real-time messaging using sockets

• Design group chat feature with ability to add/remove members

• Include end-to-end encryption for secure messaging

• Develop voice and video calling functionality

• Allow media sharing such as photos, videos, and documen
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Q2. System design ticket booking system
Ans. 
Design a ticket booking system for efficient and user-friendly experience.
• Use a database to store information about available tickets, users, and bookings

• Implement a user-friendly interface for users to search for and book tickets

• Include features like seat selection, payment processing, and booking confirmation

• Consider scalability and performance to handle a large number of users and bookings
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I was asked two DSA questions and duration was of one hour.
1. Calculate Sum of edges of LinkedList
2. Given a list of numbers, find out all the pythagorean triplets.

This was also a DSA round for 1 hour and expected to solve two problems (Medium)

This was a system design round for one hour

Q1. Explain the last technically challenging topic that you have worked on. The engineering manager is only interested in self boasting. Without even trying to understand the entire problem statement, they try...read more
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