Client Services Associate 1
BillionToOne
Client Services Associate 1
BillionToOne
QCT-based molecular diagnostics for prenatal, oncology
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 a Client Services Associate I - Spanish, Prenatal (Temporary) to provide exceptional service and support to BillionToOne's customers. This role is part of a broader Client Services organization.
The Client Services Associate I holds a pivotal role in the organization and will act as the face of BillionToOne for our customers including physicians, OB/GYN clinics, auxiliary staff, and patients. The ideal candidate for this role is an ambitious and intelligent individual who is highly self-motivated and patient-centric.
The Client Services Associate I is a temporary full-time remote position and reports to the Client Services Manager.
Working hours may be Monday–Friday, between 5:00 AM to 5:00 PM PT based on business needs.
Responsibilities:
Engage clients through proactive outreach to obtain missing information needed to process and report test orders while delivering a personalized customer experience.
Provide patient support by inbound calls or tickets addressing questions related to test results, patient portal access, and other inquiries, ensuring a seamless and positive patient experience.
Manage a queue of cases requiring follow-up and follow a scheduled contact cadence until resolved.
Document all communications, follow-up attempts, and resolution details clearly in CRM and LIMS systems.
Update customer and order information in internal systems.
Resolve approximately 40–60 cases per day while maintaining quality and accuracy.
Respond professionally to phone, email, and web inquiries from customers, sales representatives, internal teams, and patients as needed.
Collaborate with laboratory, data entry, sales, billing, and support teams to ensure accurate order processing and timely reporting.
Update customer and order information in internal systems.
Identify recurring issues or workflow gaps and escalate trends appropriately.
Support process improvements and cross-functional tasks as needed.
Bilingual Spanish proficiency is REQUIRED.
Prior client-facing experience in customer service, inside sales, call center, or a similar role.
4-year college degree or equivalent experience.
Experience working in a fast-paced, high-volume environment with outbound call responsibilities.
Excellent verbal and written communication skills.
Strong attention to detail and accurate documentation.
Ability to learn quickly, navigate systems, and resolve issues independently.
Passion for providing a positive customer experience.
Experience with CRM tools such as Salesforce, Zendesk, or similar systems.
Customer service experience in a diagnostic laboratory, healthcare, or medical office setting.
Experience managing inbound/outbound call queues or scheduled follow-up cadences.
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
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, fully stocked kitchen with snacks, drinks, etc.)
Free on-site EV charging (compatible with all EVs, including Tesla)
For this position, we offer a base pay of $28.90 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.
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.
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.
Unity Confirm™enables non-invasive confirmation for high-risk screening results through the capture of intact circulating fetal cells using BillionToOne’s Fetal Cell Capture™ Technology.
Our Northstar® liquid biopsy test uniquely combines treatment selection with real-time monitoring, giving oncologists unprecedented precision in cancer care.
From $0 to $400M+ annualized revenue run-rate in just 6 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.
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.
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.
QCT-based molecular diagnostics for prenatal, oncology
BillionToOne provides molecular diagnostic testing for prenatal screening and cancer monitoring. Its QCT technology detects and measures DNA variations at a single base-pair level, enabling precise analysis across the three billion DNA letters. The main products, Northstar Select and Northstar Response, are tests that help doctors choose the best first-line therapy and track how well treatment is working, respectively. The company markets these services to healthcare providers who perform the tests and use the results to guide patient care. Unlike some rivals, BillionToOne emphasizes high-resolution DNA assessment and scalable diagnostic services through provider partnerships, aiming to improve accuracy, speed, and access. Its mission is to make molecular testing more accurate, efficient, and accessible to all, driven by growth, equality, and teamwork.
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