Wayfair Senior Software Engineer interview questions

1st round was tech assessment. 2nd round was coding round which went fine after 1 re-schedule from the recruiter side. 3rd round was application design round, which got rescheduled twice and then thrice. On the day of actual interview, first reminder comes for interview. and then in morning 10am rejection email comes for 3pm interview.

1. HR Call and screening 2. Hackerrank test 3. Coding round question to solve in Java programming language Sum of two very large numbers problems asked in a coding round