Very friendly people who were willing to teach or answer questions. The interview process lasted about 3 weeks: an initial HR screening, 2 hours on-campus, and then waiting until they notified. There were no second rounds.
Some riddles, thinking questions where they wanted to understand your thought process.
The following metrics were computed from 2 interview experiences for the Illumina Engineering role in United States.
Illumina's interview process for their Engineering roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having mixed feelings for Illumina's Engineering interview process in United States.