You get a call from employees or HR for a screening round; that's a phone screening. Mostly, one or two problem-solving questions are given. Your enthusiasm, your knowledge about current work, and communication skills are also verified.

Once you clear the above, you get a schedule request for a full loop, which has four more rounds. The rounds start with typical problem-solving to designing new software. Make sure scale and performance are considered.

Implement regular expression search where only wildcards are star and question mark.

Clone a BST with minimum space requirement.

Design a logging system in Windows.