Phone screen then automated code test with video questions afterwards. Not much in person interaction. Need some more words here but don't have any so here you go glassdoor, is this enough for your silly requirement
They had a couple questions about strengths and preferences
The following metrics were computed from 10 interview experiences for the Illumina Software Engineer role in San Diego, California.
Illumina's interview process for their Software Engineer roles in San Diego, California is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Illumina's Software Engineer interview process in San Diego, California.