log events of users who have currently logged in or logged out and find the intervals in which n users are concurrently logged in.
Lead Backend Developer Interview Questions
12,392 lead backend developer interview questions shared by candidates
Talk about your experience and how you’ve handled certain situations
Top view of binary tree
- What is Node.js? - question about REST, SQL, Node.js, JS .. etc
Microservices, Reftful, POST vs GET, Sorting Algorithms, SOLID principle, OOP, TDD, BDD, Database query, Design pattern, testing methods
System design Big o Notation
What was biggest challenge that I faced and how I handled it?
My past experience was important to them, and also general programming expertise (e.g. SOLID principles).
Could you tell me about one of your exciting tasks? Could you tell me the task that you've done and that you are proud of that?
Basic java and spring questions they have more focuses on overloading and overriding concept
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