Nvidia

It was straightforward. I had two phone calls and then seven rounds on site. They asked questions from my resume first and then started giving some designs, asking me to verify them.

2 phone screens, 5 on-site interviews. These were mostly focused on coding and data structures. There was a focus on deep learning inference and PyTorch. Every interview was pretty heavily focused on coding. You could do it in Python or C++.

I applied for the job while I was in school, and HR contacted me. I arranged for a phone interview with the hiring manager. He was very polite and asked me to mail him a "Cycle in Linked List" solution. The on-site interview was long and rigorous.