DE Shaw Senior Software Engineer Interview Questions and Answers

Q1. String Question based on hashmap
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Q2. Palindorme -Reverse a string
Ans. 
Reverse a string to check if it is a palindrome.
• Create a function that takes a string as input

• Reverse the string using built-in functions or manually

• Compare the reversed string with the original string to check if it is a palindrome
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Q1. Basic Personal Questions, salary expectations
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Q2. Agile, docker,kunernetes
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DSA round leetcode style question

Q1. Design + Coding round for rate limiter
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Q1. Problem solving question
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Q2. Java , stream , Spring fundamentals
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Q1. Some basic String array problem solving question
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Q2. Java questions like junit , Spring boot
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Q1. String questions , DSA problem
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Q2. Java questions in brief
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Q1. Difference between abstract class and interface?
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Q2. Explain OOP in C#?
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Q1. 2 Leetcode Medium Tagged Questions
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Q1. Design Airplane Booking System
Ans. 
Design a system for booking airplane tickets efficiently and securely.
• Create a user-friendly interface for customers to search and book flights.

• Implement a secure payment system for processing transactions.

• Include features for managing flight schedules, seat availability, and pricing.

• Integrate with airlines' reservation systems for real-time updates.

• Provide options for seat selection, meal preferences, and special requ...read more
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Q1. HLD of your current system and discussion around it
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Q2. Design IRCTC. Discussion scope was Search and Booking Part only
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Q1. Design your current system
Ans. 
Current system is a web-based application for managing customer data and orders.
• Frontend built with React for user interface

• Backend built with Node.js and Express for server-side logic

• Database using MySQL for storing customer data and orders

• Authentication using JWT tokens for secure access
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Q2. Some behavioural questions
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Q1. Create LLD Design for Movie Ticket Booking System(BookMyShow.com)
Ans. 
LLD Design for Movie Ticket Booking System(BookMyShow.com)
• Use case diagram to identify actors and their interactions

• Class diagram to represent entities like User, Movie, Theater, Booking

• Sequence diagram to show the flow of events during ticket booking process
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Q1. Core Java and J2EE basic questions
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Q1. Experience in previous companies and learnings
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Q1. Complete java questions followed by hibernate and spring boot
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Q1. Questions on multithreading, hibernate, spring boot, rest api and roles and responsibility in current company.
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Current company roles and responsibilities.
Ability to learn new technologies.
How to build and deploy software.
What they offer in Amadeus.

Q1. Core concepts of .Net Core, Entity Framenwork and OOPS
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