Questions included merge sort, quick sort, linked list, dynamic programming, stack, oops concept,
Lead Backend Developer Interview Questions
9,384 lead backend developer interview questions shared by candidates
How does a HashMap work internally? OOPS Concept : Polymorphism , Encapsulation.
Shortest path in Graph, LLD for hotels
Quick Sort vs Heap Sort vs Merge Sort : Space - Time complexity differences
40 MCQ questions about OS, DB, AI, and Large Language Models.
How you handled the case X in your task
The questions varied from basic backend coding logic to various complex SQL queries and transactions, as well as some intensive OS knowledge and how it ties in with backend performance.
Design a web scrapper following good software development practices (Building abstractions and easily extensible code was preferred) Why are you looking for a change? What to keep in mind while designing database?
Ways to optimise query, Joins vs Subqueries.
Why I choose to apply to instabug
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