7 -9 rounds depending on candidate. The rounds involved 1-3 scientists taking test on leetcode style questions, AI fundamentals, Transformers, Finetuning, Training approach of large models like Gemini, Deepseek etc.

Overall, nine interviews with various people in different departments, was not told to prepare anything in advance. One was a specialist technique interview which afterwards I was told was to be the main purpose of the role but this was not on the job advert.