Lead Software Engineer Interview Questions

2,148 lead software engineer interview questions shared by candidates

Round one : You are given two linked lists and two integers i and j (i <= j). You need to replace the nodes from index i to j (0-based) in the first linked list with the entire second linked list and return the updated list. Example: Input: List1: 1 -> 2 -> 3 -> 4 -> 9 -> 6 List2: 4 -> 5 -> 10 -> 7 -> 3 i = 2, j = 4 Output: 1 -> 2 -> 4 -> 5 -> 10 -> 7 -> 3 -> 9 -> 6 Other Question Java ( Immutability etc) , Spring boot ( DI , Scope , Bean ) Singleton pattern, Rest API (What happen if we call POST but in apps we defined put method)
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Senior Lead Software Engineer

Interviewed at JPMorganChase

3.9
Oct 7, 2025

Round one : You are given two linked lists and two integers i and j (i <= j). You need to replace the nodes from index i to j (0-based) in the first linked list with the entire second linked list and return the updated list. Example: Input: List1: 1 -> 2 -> 3 -> 4 -> 9 -> 6 List2: 4 -> 5 -> 10 -> 7 -> 3 i = 2, j = 4 Output: 1 -> 2 -> 4 -> 5 -> 10 -> 7 -> 3 -> 9 -> 6 Other Question Java ( Immutability etc) , Spring boot ( DI , Scope , Bean ) Singleton pattern, Rest API (What happen if we call POST but in apps we defined put method)

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