Hirevue, HR call, staff engineer call, and another HR call before onsite. Illumina lowballs on salary offered, 75k initially. When I asked for at least 100k they stopped the onsite interview. I'd avoid working with them in the future. If you're fine with being undervalued sounds like a great place.
General LeetCode questions for HireVue.
For the staff engineer call its more of a background match/architecture discussion.
The following metrics were computed from 1 interview experience for the Illumina Software Engineer-I role in United States.
Illumina's interview process for their Software Engineer-I roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very negative feelings for Illumina's Software Engineer-I interview process in United States.