Senior AI Engineer @ BillionToOne

BillionToOne builds molecular diagnostics detecting disease at the single-molecule level (prenatal and oncology). Over 1M tests processed; revenue growth to ~$300M and guiding $415-430M for 2026; publicly traded and GAAP profitable. Hiring multiple senior software roles to work with clinicians and computational biologists on problems including scaling genomic pipelines, building digital infrastructure for complex test results, and shipping high-correctness systems. Hybrid role based in Menlo Park, CA (2-3 days/week on-site).