Mid level interview difficulty 1st round : Practical questions like computer boot process, what happens when usb is plugged in. Job location and preferance based questions. Initial screening round. 2nd round : basic C and java questions like data types, access modifiers, oops concepts. Questino about when to use which language with example and why. One probability based puzzle https://www.geeksforgeeks.org/puzzle-50-red-marbles-and-50-blue-marbles/. 3rd round : Operating system related questions like difference bet thread and process. Paging algorithms. basic linux commands. what is PCB. 4th round : face 2 face paper coding round : 1. two linked lists are intersecting at multiple nodes, like a chain. Print intersecting node values. you can use any type of linked list with any kind of structure. no constraint. with any number of pointers in struct. 2. Array with random 1 and 0. Separate 0 and 1 on left and right side of array without using other datastructure. 100% Solution to any of coding question was expected, just thought process and coding fluency was important. 5th round : HR call for salary negotiation.