Oracle Principal Member Technical Staff interview questions

Interview process consists of 3 technical rounds, 1 Hiring Manager round, and 1 Director round. Due to pandemic all the rounds were conducted through ZOOM video call. Overall it takes more than a month to complete all the rounds and to get official offer letter. Solve lot of questions on leetcode and refresh Data Structures knowledge, it will be useful.

My longest interview process (it take me almost a year, not by interview, instead due a HR hire frozen). Got contacted by a Talent Advisor in LinkedIn for a position in one of the Engineering teams, passed all interviews and received an offer however I asked for more amount since it was not my expected salary, then the team retired the offer, then my resume was shared by HR to other engineering teams (C/C++ development) and I got an offer as well. I joined and then there was a hiring freeze of almost 6 months. Finally joined.