FP&A Intern

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. BillionToOne is seeking an FP&A Intern to support our Finance team over a 10-week summer engagement. This role offers a hands-on immersion into corporate financial planning and analysis—giving you real-world exposure to the modeling, reporting, and strategic thinking that powers a high-growth, publicly traded biotech. You will be trained to perform the core functions of a junior financial analyst, working directly alongside senior finance leaders on projects that directly inform company decision-making. This is a hybrid role requiring 2–3 days per week on-site at our Menlo Park, CA headquarters. Responsibilities: Assist in the preparation of monthly and quarterly financial reporting packages, including variance analysis comparing actuals to budget and prior periods. Analyze revenue, operating expenses, and headcount data to surface actionable business insights for senior leadership. Build and maintain dashboards and data visualizations to track key financial and operational metrics. Conduct ad hoc financial analyses and scenario modeling to support strategic initiatives and business cases. Identify opportunities to streamline and improve FP&A processes, templates, and workflows. Qualifications: Currently pursuing or recently completed a Bachelor’s degree in Finance, Economics, Accounting, or an equivalent analytical discipline; rising juniors and seniors strongly encouraged to apply. Proficiency in Microsoft Excel, including financial modeling, pivot tables, and formula-driven analysis; experience with financial planning tools (e.g., Planful, Adaptive Insights, or similar) is a plus. Exceptional analytical and quantitative problem-solving skills with a high attention to detail. Clear and confident communicator, able to distill complex financial data into concise summaries for non-finance audiences. A proactive, self-starter mindset with the ability to manage multiple workstreams in a fast-paced environment. Genuine intellectual curiosity about the business—eager to understand the ‘why’ behind the numbers, not just the mechanics. Experience with data visualization tools (e.g., Tableau, Power BI) or SQL is a plus but not required. Benefits And Perks: Working with a team of ‘rockstars’ who bring out the best in everyone Open, transparent culture that includes weekly Town Hall meetings The ability to indirectly or directly change the lives of hundreds of thousand patients Free daily on-site lunches provided from top eateries Latest and greatest hardware (laptop, lab equipment, facilities) 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 (1) competitive base pay, and (2) the opportunity for professional growth. For this position, the base pay rate is $25 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 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

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