Clinical Laboratory Scientist applicants have rated the interview process at BillionToOne with 4.5 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 50% positive. To compare, the company-average is 41% positive. This is according to Glassdoor user ratings.
Candidates applying for Clinical Laboratory Scientist roles take an average of 14 days to get hired, when considering 2 user submitted interviews for this role. To compare, the hiring process at BillionToOne overall takes an average of 22 days.
Common stages of the interview process at BillionToOne as a Clinical Laboratory Scientist according to 2 Glassdoor interviews include:
Group panel interview: 25%
Phone interview: 25%
One on one interview: 25%
Skills test: 25%
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I applied online. The process took 2 weeks. I interviewed at BillionToOne in Feb 2024
Interview
Interview process is drawn out and excessive. The individuals you report to and work with were great interviews. But for some reason this company makes people from other departments interview you and assess your analytical and process ability. They give you some topics to "study" before the interview, but its vague and during the interview those topics weren't even discussed. Basically they give you a bunch of math problems to solve on population genetics, that I wasn't prepare for. This is stuff that I learned a decade ago in college, and has no way pertain to what my day to day duties would be. In the end, it just makes the company seem very high and mighty like they are trying to weed out all the people who can't solve these problems. I guess that's their prerogative, but good luck finding these perfect candidates in a reasonable time. Just take a look at their job board, same multiple positions posted for weeks.
Interview questions [1]
Question 1
Mother is a carrier for sickle cell disease but mom and dad doesn't have it, there is a 1% prevalence in the population, what is the chance baby has sickle cell disease?
Challenging interview process with multiple rounds. Met with recruiter, hiring manager, and the the team as well. It is easy to say this was the most challenging interview I have ever participated in.