BillionToOne is a next-generation molecular diagnostics company dedicated to developing powerful and accurate diagnostic tests that are accessible to all. Our innovative QCT molecular counting technology significantly enhances the resolution of disease detection using cell-free DNA by over a thousandfold. This groundbreaking technology is integral to our product offerings, including one of our flagship products, Unity Complete™, the only non-invasive prenatal screen capable of assessing fetal risk for both common recessive conditions and aneuploidies from a single maternal blood sample. Leveraging the same molecular counting technology, we've expanded our impact into oncology in 2023 with a pioneering liquid biopsy test, Northstar, that combines treatment selection with monitoring. To date, over 500,000 patients have benefited from our innovative and precise diagnostic tests, and our Annual Recurring Revenue (ARR) has grown from $0 to $125 million in the last ~4 years.

BillionToOne has successfully raised close to $400 million in funding, with a notable $130 million Series D round completed in June 2024, resulting in a company valuation of over $1 billion. This funding has come from prestigious global institutional investors, including Hummingbird, Adams Street Partners, Neuberger Berman, Baillie Gifford, and Premji Invest. BillionToOne has recently been recognized by Forbes as one of America's Best Startup Employers for 2024, highlighting the company's exceptional work environment and commitment to innovation.

Our team has grown significantly and we now proudly employ over 400 highly skilled individuals. Despite substantial growth, we have successfully maintained the unique culture that has defined BillionToOne from inception, continuing to cultivate a team that is not only diverse and passionate but also innovative. Headquartered in Menlo Park, California, with an additional facility in Union City, California, BillionToOne remains at the forefront of significant advances in molecular diagnostics, evidenced by the recent announcement of clinical outcomes data for its Unity Fetal Risk Screen and new advancements in cancer diagnostics. For more detailed information about BillionToOne and its groundbreaking work, please visit our website at www.billiontoone.com.

BillionToOne is looking for a dynamic and talented Lead UX Product Designer to own and manage all UX Design. UX plays a critical role in the diagnostic testing field. As we all personally experienced with COVID testing, a product is judged by the end-to-end user experience. This starts with ordering the test, collecting the sample, waiting for the results to arrive, through receiving the test results. As BillionToOne’s product designer, you’ll get to design a world-class, seamless, end-to-end user experience for both physical lab operations (used by internal members of our clinical lab), and digital experiences (used by external healthcare providers and patients) including owning BabyPeek, our direct to consumer genetic testing. 

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As the company’s only designer, you’ll play a critical role collaborating closely with R&D, engineering, our clinical team, marketing and company leadership, to implement various design solutions to significantly improve the user experience across the board. This is a high impact role with tremendous growth potential and your responsibility will expand quickly as the company scales. This is a hybrid position at our Menlo Park office (WFH 1-2 days a week). 

Key Responsibilities:

• As a UX Product Design Lead, you will be responsible for creating unique, clean and delightful experiences for all stakeholders
• Deeply understand user behaviors (external customers and internal users) every step of the way, and solve pain points for them through better UX design  
• Drive the design vision of the company, working closely with Product Management, Engineering, and Product Marketing leaders

• Work closely with Product Management and Engineering to plan and create a backlog, push features and design updates, and QA and fix bugs
• Work on features and products that cross all experiences; both involving lab processes and software (desktop, mobile web, and native mobile)
• Design and iterate solutions with various stakeholders in a fast-paced environment 
• Present your work effectively through prototypes, user journey diagrams etc., and help guide decision-making in a thoughtful, empathic, and productive way
• User quantitative and qualitative data to create designs that serve the user

Requirements:

• To be successful, you’ll need to be a customer-centric designer that balances business goals with creative execution
• 4+ years of product design experience, with at least 1+ years independently leading UX projects
• Diagnostic testing, genetics, or biotech experience is preferred
• Excellent communication and collaboration skills, with the ability to think and articulate objectively
• Extensive experience with Figma, Sketch, Abstract, Overflow, and Zeplin
• Experience with analytics tools like Google Analytics, Mixpanel, and Segment

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 thousands patients
• Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered at 80%

• Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
• Retirement savings program including a 4% Company match
• 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)