Clinical Laboratory Scientist (CLS), Prenatal (contractor)

A Rare Opportunity to Shape the Future of Genomics Join a team of brilliant, passionate innovators determined to transform healthcare. At BillionToOne, we've built a category-defining, publicly traded company on Nasdaq where transparency fuels trust, collaboration drives breakthroughs, and every contribution moves the needle on our mission to make life-changing diagnostics accessible to all. We don't just aim for incremental improvements; we build products that are 10x better than anything that exists today. Our scientists, engineers, sales executives, and visionaries are united by an unwavering commitment to changing the standard of care in prenatal and cancer diagnostics. This is where cutting-edge science meets human compassion, and every innovation you contribute helps remove the fear of the unknown from some of life's most critical medical moments. If you're driven by purpose, energized by innovation, and ready to help shape the future of precision medicine at scale, this is where you belong. We are looking for driven contract Clinical Laboratory Scientists (with California Clinical Laboratory Scientist License) to join our team on a part-time basis (up to 20 hours per week) . In this role, you will perform UNITY, the only non-invasive prenatal test (NIPT) that can detect inherited disorders such as sickle cell disease, spinal muscular atrophy, and cystic fibrosis in the baby directly from maternal blood. These disorders are extremely severe, but early detection and intervention can significantly improve outcomes. You will join our growing superstar CLIA team responsible for end-to-end processing of pregnancy blood samples in a high complexity, high-growth CLIA setting. The Clinical Laboratory Scientist is an onsite contractor position. Shift Hours: Flexible (Preferably Saturday AM/PM, Sunday AM, Monday PM) Responsibilities: Performs clinical laboratory assays to provide data for diagnosis, treatment, and prevention of disease. Performs quality control studies to ensure the accuracy of clinical data. Verifies instrument performance by checking and calibrating specific lab instruments and documents data. Contributes to troubleshooting, training, and continuous process improvement Qualifications: Bachelor's degree in the chemical, physical or biological sciences 0-2 years of CLS experience in a clinical setting A current California Clinical Laboratory Scientist License that meets requirements for Testing Personnel under CLIA regulations (42 CFR, part 493) (California, CGMBS or Generalist license is required). Advanced knowledge of Google Docs, Word, Excel, basic statistics and familiarity with LIMS systems Strong attention to detail and ability to work flexibly and well under given timeframes. Self-starter and dynamic team player with excellent verbal and written skills. Nice-To-Haves: Start-up experience Knowledge of medical genetics Experience in a cell-free DNA setting and manual molecular biology protocols Benefits And Perks: Working alongside brilliant, kind, passionate and dedicated colleagues, in an empowering environment, toward a global vision, striving for a future in which transformative molecular diagnostics can help millions of patients The ability to indirectly or directly change the lives of hundreds of thousands patients Daily on-site lunches provided from top eateries A variety of perks on campus (state of the art gym, restaurant) Free on-site EV charging (compatible with all EVs, including Tesla) For this position, the target hourly rate is: $70 per hour. BillionToOne is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. For more information about how we protect your information, we encourage you to review our Privacy Policy . BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to eve