Bioinformatics Intern applicants have rated the interview process at BillionToOne with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 40.8% positive. This is according to Glassdoor user ratings.
Common stages of the interview process at BillionToOne as a Bioinformatics Intern according to 2 Glassdoor interviews include:
Skills test: 100%
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Online skills assessment via TestGorilla. Was asked basic biology and coding questions. Bash, Python, R, SQL were languages covered. For biology it was basic genetics questions (AP Bio Level) and a question about PCR.
I applied online. I interviewed at BillionToOne (Menlo Park, CA) in Jan 2026
Interview
First I was asked to take an assessment which included 7 biology questions (in 10 minutes) and 9 technical questions in (13 minutes). After this there would be an interview but I am at the first stage right now.