Bioinformatics 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.
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Programming questions were fair. Should know R, Python, and SQL. Know how to create a new column in R, what some simple python commands do from pandas and numpy. Overall, I felt it was okay. Statistics about vaccine true positive/false positive rates and type I and II errors too.
Interview questions [1]
Question 1
Relational databases about what the output would be given an SQL command.