How does JWT authentication work, and how would you make it more secure in a production environment?
Lead Backend Developer Interview Questions
15,496 lead backend developer interview questions shared by candidates
Q: Max depth of a Tree. Q: Given a boolean 2D matrix, find the number of islands. A group of connected 1s forms an island. Q: Designing a calculator. Q: Resume Discussion. Q: Question on basics of Networking, OOPs and OS.
SOLID, ACID, POO, JAVA (map, list), GIT, etc
Design a data structure that has O(1) to get element in i'th index, O(1) to set element at i'th index, and to O(1) to set all the elements in the data structure.
Nice! So you guys managed to migrate those critical backend services within the project time schedule… but… do you know TypeScript and NestJS?
Round 2 : Q1. find one peak in position in array. in logN Q2. ZigZag in N-ry Tree Q3. Minimam cost to reach 0 to N using +1 and *2 operations with given costs
What is my role in my current job?
Q. How you decide wich database you will use ?
Share personal experience of working on Docker.
You *do* need to study hard on your data structures and algorithms. The engineers you'll be interviewing with are top-tier talent and will expect you to be able to explain the deepest inner workings of given algorithms or structures, while likewise presenting you with clever code problem(s) to solve.
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