BillionToOne is a category-defining, publicly traded molecular diagnostics company on Nasdaq that has grown from $0 to a $400M+ annualized revenue run-rate in just 6 years. Utilizing their proprietary QCT molecular counting technology, they build life-changing prenatal and cancer diagnostic products (such as Unity Complete™, Unity Confirm™, and Northstar®) that are 10x better than anything existing today.
Role Overview
- Position: Data Scientist (Prenatal Data Team)
- Location: Menlo Park, CA / Union City, CA (Headquarters)
- Type: Full-Time, Full-Stack Analytics
Data scientists at BillionToOne are "full-stack" contributors who span the entire analytics value chain. In this role, you will wear a data engineering hat to land data into a central warehouse, an analytics engineering hat to model and test it, and a data science hat to build dashboards, deploy AI-powered analysis workflows, and surface insights that drive decisions across commercial, laboratory, clinical, and executive teams.
Responsibilities
Full-Stack Analytics & Engineering
- Contribute across the full Prenatal analytics stack by ingesting data from disparate sources into the central data warehouse.
- Build clean, well-tested data models and maintain the central data warehouse architecture while partnering with upstream operational system owners (e.g., Clarity, bioinformatics pipelines).
- Develop and maintain Tableau dashboards and self-serve tooling to turn raw metrics into actionable insights for clinical, commercial, and operational teams.
Cross-Functional Stakeholder Partnership
- Partner directly with cross-functional teams to tackle high-stakes business questions (e.g., optimizing lab turnaround times, identifying at-risk commercial accounts, tracking product launches, and supporting clinical affairs).
- Translate data findings into clear, strategic answers to inform executive growth decisions.
AI Integration & Automation
- Leverage advanced AI tools daily to accelerate your personal analysis and engineering velocity.
- Build and scale HIPAA-compliant, AI-powered analysis workflows for the team.
- Act as an internal advocate, helping non-technical colleagues across the organization adopt AI tools to maximize productivity.
Qualifications
Minimum Requirements
- Education & Experience:
- Master's or PhD with 2 years of professional experience, OR
- Bachelor's degree with 4 years of professional experience in data science, analytics engineering, or a related data role.
- Technical Stack: Strong proficiency in SQL and Python (or R) for complex data manipulation and statistical analysis.
- Data Maturity: Comfort working with messy, unstructured, and disparate data sources, alongside the judgment to know when to clean data locally versus pushing fixes upstream.
- Domain Context: Direct experience working with clinical, healthcare, or other highly regulated data.
- AI Tooling: Hands-on experience using generative AI tools to enhance engineering workflows, combined with a strong interest in enabling others to do the same.
- Professional Attributes: Exceptional communication skills and a deep sense of ownership over data quality and stakeholder outcomes.
Nice-To-Haves
- Technical Tools: Familiarity with dbt, Airflow, Tableau, Stitch, Hightouch, Cursor, Claude, ChatGPT, AWS (S3, Batch, RDS, MWAA), or Clarity.
- Industry Domain: A background in biosciences or familiarity with bioinformatics, molecular diagnostics, lab sales cycles, prior authorization, and healthcare reimbursement.
Compensation, Benefits & Perks
BillionToOne offers a flexible total rewards structure combining a competitive base salary (tailored to experience and a candidate-selected salary/equity split), a corporate bonus program, and a comprehensive equity options package.
- Health & Wellness: Multiple medical options with 100% employee premium coverage on select plans; dependents covered up to 80%. Supplemental fertility benefits are also included.
- Family Support: Exceptionally generous Family Bonding Leave (16 weeks, fully paid at 100%).
- Retirement: 401(k) program with a 4% company match.
- Time Off: Paid time off allotments that scale upward with your tenure.
- On-Campus Amenities: Free daily catered lunches from top local eateries, a state-of-the-art corporate gym, an on-site restaurant, and free EV charging stations (compatible with all EVs, including Tesla).
Corporate Culture & Privacy
BillionToOne maintains an open, transparent culture supported by weekly company-wide Town Hall meetings. They are Great Place to Work certified and were named by Forbes as one of America's Best Startup Employers.
To review how candidate information is handled during the recruitment process, please consult the BillionToOne Privacy Policy. As an equal opportunity employer, BillionToOne prohibits discrimination on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
