Genetic Counselor

Ready to redefine what's possible in molecular diagnostics?

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.

As a Genetic Counselor on the Clinical Genetic Counseling Team at BillionToOne, you will provide patient counseling and contribute to test report drafting for the UNITY Fetal Risk™ Screen and related offerings. In this role, you will join a high-performing team supporting a groundbreaking test that addresses a critical unmet medical need. Leveraging your experience at BillionToOne, you will bring deep knowledge of our data systems and the complexities of the UNITY platform. You will also serve as a key liaison between clinical and laboratory teams, helping to ensure seamless integration of patient care and reporting.

Responsibilities

• Provide pre-test and post-test genetic counseling to patients for BillionToOne’s test offerings, including carrier screening with reflex single-gene NIPT, aneuploidy NIPT, and NIPT for fetal antigen conditions
• Draft accurate and timely test reports for ordering providers, ensuring a high level of attention to detail
• Contribute to the development of patient and provider educational materials
• Communicate test results to providers as needed
• Obtain and maintain genetic counseling licensure as required
• Perform other duties as assigned

Qualifications

• Master’s degree in genetic counseling or a related field, with at least 5 years of relevant experience
• Demonstrated experience in prenatal genetic counseling (required)
• Fluency in Spanish, with the ability to conduct consultations with Spanish-speaking patients (strongly preferred)
• ABGC certification and active licensure in home state, if applicable
• Multi-state licensure (preferred)
• Experience with variant interpretation (preferred)
• Excellent verbal and written communication skills
• Ability to work independently and manage responsibilities effectively
• Strong attention to detail and commitment to high-quality genetic counseling and customer service
• Flexibility and ability to thrive in a fast-paced environment

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
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousands patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
• Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
• Supplemental fertility benefits coverage
• Retirement savings program including a 4% Company match
• Increase paid time off with increased tenure
• Latest and greatest hardware (laptop, lab equipment, facilities)
• 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)

At BillionToOne, we are proud to offer a combination of a (1) base pay range (actual amount offered is based on experience and salary/equity options split that the candidate chooses), (2) generous equity options offering, (3) corporate bonus program, on top of (4) industry leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave, etc.).

For this position, we offer a total compensation package of up to $173,274 per year, including a base pay range of $128,622 - $139,340 per year.

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.

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BillionToOne is a next-generation molecular diagnostics company on a mission to make powerful, accurate diagnostic tests accessible to everyone. Our revolutionary QCT molecular counting technology enhances disease detection resolution by over a thousandfold using cell-free DNA,a breakthrough that has already transformed the lives of over half a million patients worldwide.

Our Impact

Unity Complete™ is the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample. Our Northstar® liquid biopsy test uniquely combines treatment selection with real-time monitoring, giving oncologists unprecedented precision in cancer care.

Our Growth

From $0 to $150M+ in Annual Recurring Revenue in just five years. In 2025, we completed one of the most successful IPOs for a medical diagnostics company, building on nearly $400M in private funding,including our $130M Series D in 2024 and backed by world-class investors including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest.

Our Recognition

Forbes named us one of America's Best Startup Employers for 2025 and we're Great Place to Work certified, with 100% of our people willing to go the extra mile, even as we've scaled to over 700 employees.

Our Future

Headquartered in Menlo Park with facilities in Union City, CA, and a new lab opening in Austin, TX in 2027, we're continuing to push the boundaries of what's possible in molecular diagnostics. We're just getting started.

Ready to help us change the world, one molecule at a time? Learn more at billiontoone.com