general hr screening questions, and scheduled the follow-up call with the hiring manager. But the recruiter just ghosted me and never get back from them. Sent a few follow up emails but no response.

Applied online. 1 Coderpad round with 2 questions. Average Difficulty. 1 Phone screen with the Director of Engineering. Some basic conceptual questions on networking and data structures. And discusssion about resume and the company. 1 Phone round. It started late, no apologies whatsoever from the interviewer. Basic questions on resume. A simple array program on coderpad. O complexity discussion. The interviewer was adamant that O(2n) and O(n) are not equivalent and I should check that with my algorithms professor.