elevator object oriented design problem.
Senior Backend Engineer Interview Questions
15,499 senior backend engineer interview questions shared by candidates
Design a Cab booking system
1st Round: Question related to work experience. 2nd Round: 2 Coding problem and some set of theory questions taken by 2 panel members.
Some questions about database models and task improvements for different scenarios
Basic back end questions like: - the difference between TCP & UDP. - pass by reference vs pass by value - How to do authorization - Encryption vs Hashing
Why the validations were in the backend? why its the best practice
Online assessment: 5 problems - 2 leetcode hards, 1 relatively easy SQL query, 1 refactor-a-class problem and 1 design problem Technical interview: How do you create a bean? No, I don't mean that. How do you create the bean? What type of bean is it? That's not what scope means (it actually is). Ok, and how does Spring do that in the back? Tell me the implementation.
Develop a backend api to simulate hotel bookings
Return maximum number formed by reordering the digits in a given number 43525 --> 55432
They asked me in cache if we are using hashmap then in multi threading environment the cached data get inconsistent so for that what data structure we can use?
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