Client Services Associate I - Oncology at BillionToOne

BillionToOne; United States; Remote; USD 33,000 - 47,000; Full time

Benefits offered by this job

100% premium healthcare coverage

16 weeks paid parental leave

4% 401(k) company match

Supplemental fertility benefits

Increased PTO with tenure

Job summary

BillionToOne is hiring a Client Services Associate I, Oncology for a fully remote role on the East Coast. The position runs Monday–Friday, 8:30 AM to 4:30 PM ET and pays $29.34 per hour, with eligibility for an annual bonus and a total four-year value up to about $269,000.

This entry-level role supports physicians, clinics, and patients, leveraging CRM/LIMS tools and contributing to scalable customer success in a fast-growing biotech environment with excellent benefits.

Qualifications

• 1+ years of client-facing experience in a fast-paced environment.
• Familiarity with CRM tools (Salesforce, Zendesk) is a plus.
• Strong organizational and multi-tasking abilities.
• Excellent verbal, written, and presentation skills.

Responsibilities

• Engage customers and resolve issues to deliver a superior experience.
• Respond to inquiries via phone, email, and web from physicians, offices, and patients.
• Clarify questions about technology, products, services, test status, and costs.
• Maintain precise documentation of communications and follow-ups.
• Collaborate with the lab to ensure accurate client info and timely results.
• Enter and qualify new customer data into CRM and LIMS.
• Identify issues and help develop best practices with leadership.
• Participate in cross-functional projects and All Hands meetings.

Skills

Client-facing experience

CRM tools

Organizational skills

Verbal and written communication

Problem solving

Education

4-year degree

Tools

Salesforce

Zendesk

Job description

Client Services Associate I - Oncology at BillionToOne — Remote

Entry-Level Healthcare Tech: Good Launchpad, Fixed Ceiling. This Client Services Associate I role at BillionToOne is a strong entry point into the diagnostics and genomics industry — a rapidly growing sector. The company has impressive credentials: a 2025 Nasdaq IPO, $400M+ revenue run rate, Forbes Best Startup Employer recognition, and 700+ employees. These are genuine green flags for stability and growth.

Compensation Benchmarks: At $29.34/hour (~$61K/year base + annual bonus), this is in line with mid-tier customer service roles in biotech/diagnostics but below what you'd expect for a client-facing role at a mature tech company. The stated "total four-year value up to ~$269K" includes bonuses and suggests upward earning potential, but entry-level associates should negotiate carefully.

Skills You'll Develop:

• Healthcare CRM systems (Salesforce, Zendesk, LIMS) — highly transferable in MedTech and SaaS.
• Medical terminology and oncology diagnostic knowledge — a valuable niche differentiator.
• Cross-functional collaboration with lab, sales, and commercial leadership.
• Patient and physician communication — foundational for clinical operations or medical affairs career paths.

Culture Signals: Weekly Town Halls, transparent leadership, and Great Place to Work certification suggest a genuinely people-focused culture unusual for a company growing this fast. The 16-week paid parental leave and 100% premium healthcare coverage are exceptional for an entry-level role.

Green Flag: Exposure to oncology liquid biopsy — one of the hottest areas in precision medicine — provides real career differentiation for anyone targeting clinical operations, medical affairs, or health tech customer success roles long-term.

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 a Client Services Associate I, Oncology (East Coast) to provide exceptional service and support to BillionToOne's customers. This role is part of a broader Client Services organization.

The Client Services Associate holds a pivotal role in the organization, acting as the face of BillionToOne for customers including physicians, Oncology clinics, patients, clinical and auxiliary staff. The CSA will be on the front lines of all internal and external customer inquiries supporting BillionToOne's Oncology tests. The ideal candidate is an ambitious and intelligent individual who is highly self-motivated and can effortlessly help drive and influence a positive patient and customer experience. The Client Services Associate I is a full-time remote position and reports to the Client Services Manager.

Working hours are Monday to Friday, 8:30 AM to 4:30 PM ET.

Responsibilities:

• Engage customers in a positive and courteous manner to resolve issues and deliver the best possible customer experience.
• Oversee and effectively respond to all types of communication in a professional and articulate manner: phone, email, and web inquiries from customers (physician offices), sales representatives, and patients.
• Handle a variety of inquiries, including questions about our technology, products, and services, status of test results, costs, billing, and insurance coverage.
• Keep precise and clear documentation of all communications and follow-up activities.
• Collaborate with our laboratory to ensure that client information is accurately maintained and help to ensure the timely delivery of test results.
• Contact physicians and other medical personnel to obtain missing information from test orders.
• Enter and qualify new customer information into CRM and LIMS systems.
• Identify issues and trends and collaborate with commercial leadership to develop best practices for internal and external processes.
• Participate in cross-functional projects that extend beyond routine responsibilities to contribute to building a world-class Customer Service organization.
• Represent the organization during intra-department meetings or All Hands meetings as needed.

Qualifications:

• 1+ years of prior client-facing experience.
• Experience with CRM tools (Salesforce, Zendesk, etc.) is a plus.
• Advanced organizational skills with the ability to handle multiple assignments simultaneously.
• Ability to work in a very fast-paced, demanding environment.
• Outstanding verbal, written, and presentation skills — ability to effectively tailor messages to different audiences.
• Passion for creating a delightful experience for internal and external customers.
• Ability to analyze complex situations independently and implement appropriate solutions.

Nice-To-Haves:

• Proficiency or fluency in Spanish to effectively assist our diverse customer base and ensure a seamless patient and client experience.
• Customer service experience in a diagnostic laboratory setting.
• Working alongside brilliant, kind, passionate, and dedicated colleagues in an empowering environment toward a global vision
• Open, transparent culture that includes weekly Town Hall meetings
• The ability to indirectly or directly change the lives of hundreds of thousands of patients
• Multiple medical benefit options; employee premiums paid 100% on select plans, dependents covered up to 80%
• Extremely generous Family Bonding Leave for eligible employees (16 weeks, paid at 100%)
• Supplemental fertility benefits coverage
• Retirement savings program including a 4% Company match
• Increased paid time off with increased tenure
• Latest and greatest hardware (laptop, lab equipment, facilities)

At BillionToOne, we are proud to offer a combination of (1) competitive base pay, (2) a corporate bonus program, on top of (3) industry-leading company benefits (free healthcare options, 401k match, very generous fully paid parental leave, etc.).

The base pay rate for this role is $29.34 per hour. This position is eligible for an annual bonus. Together, the total four-year value of base and target bonus is up to approximately $269,000. We also offer competitive medical and dental coverage and a 401(k) with company match.

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 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.
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.

Our Growth

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 — 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? at billiontoone.com

Is this role truly remote or is there an office requirement? This is a fully remote position. However, you must be available Monday through Friday from 8:30 AM to 4:30 PM Eastern Time, so a stable internet connection and adherence to ET business hours are required. What is the salary for the Client Services Associate I, Oncology role? The base pay is $29.34 per hour. The role is also eligible for an annual bonus, with the total four-year value of base pay and target bonus reaching up to approximately $269,000. Do I need prior oncology or medical experience to apply? No specific oncology background is required. The job asks for 1+ years of client‑facing experience and a 4-year degree (or equivalent). Experience in a diagnostic laboratory setting is listed as a nice‑to‑have, not a requirement. Is Spanish language ability required for this position? Spanish proficiency is listed as a nice‑to‑have, not a hard requirement. It would be an asset for assisting the company's diverse customer base. What benefits does BillionToOne offer for this role? Benefits include 100% employee‑paid health insurance premiums on select plans, 16 weeks of fully paid parental leave, a 4% 401(k) company match, supplemental fertility benefits, and increasing PTO with tenure.

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