ServiceNow

I applied online through an employee referral for a few entry-level SWE positions. Communication from the recruiter was poor. They emailed me to schedule a 45-minute technical HackerRank, but did not specify which role or team it was for. I schedule

Phone Interview: Based on previous experience and one question related to databases: Design a database for querying the interests/likes of site users. Assume the number of users is over 6 billion. On-Site Interview: Round 1: Consider a linked list

No HR interviewed during the processing. A senior software engineer interviewed me. When I introduced myself, the interview was interrupted to wait for HR, and then reconnected by a phone conference system. No one introduced the new listener. When I