1. Describe Some Feature you worked on recently 2. Let's say we have an API with a rate limit of 20 req/ IP/ min. How would you design/implement this limit?
Backend Software Interview Questions
15,481 backend software interview questions shared by candidates
Basic back end questions like: - the difference between TCP & UDP. - pass by reference vs pass by value - How to do authorization - Encryption vs Hashing
VP interview - 4 buttons logic puzzle
SOLID concepts. Definition of SOLID when writing code
Design splitwise application Input You can create a few users in your main method. No need to take it as input. There will be 3 types of input: Expense in the format: EXPENSE <user-id-of-person-who-paid> <no-of-users> <space-separated-list-of-users> <EQUAL/EXACT> <space-separated-values-in-case-of-non-equal> Show balances for all: SHOW Show balances for a single user: SHOW <user-id> Output When asked to show balance for a single user. Show all the balances that user is part of: Format: <user-id-of-x> owes <user-id-of-y>: <amount> If there are no balances for the input, print No balances In cases where the user for which balance was asked for, owes money, they’ll be x. They’ll be y otherwise.
Implement fibonacci sequence function
Discussing the architecture of a hypothetical system and questions about past experiences
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How would you change the given code so that it is unit testable.
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