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Lead UX Designer

Billiontoone 🇺🇸 Menlo Park, CA 94025, United States of America

Hybrid $179,521 - $211,201 Full-time Senior

Lead the end-to-end UX vision and strategy for the Unity prenatal diagnostic platform, translating complex genomics into intuitive digital experiences. Oversee the design process from research to production while mentoring junior designers and collaborating with cross-functional clinical and technical teams.

Responsibilities

  • Own the complete UX vision and strategy for Unity's patient and provider platforms, from research insights through final implementation
  • Partner with product leadership to shape roadmaps, define priorities, and determine phased approaches that balance user needs, technical feasibility, and business goals
  • Apply systems thinking to visualize and simplify complex relationships between patients, providers, lab processes, payer requirements, and data systems
  • Transform scientific complexity into intuitive digital experiences that build trust and understanding
  • Lead the complete design process from discovery and research through wireframing, prototyping, user testing, and final production-ready deliverables
  • Create and maintain high-quality design artifacts: user flows, journey maps, wireframes, prototypes, and design system components
  • Own in-product microcopy and content strategy, ensuring every word builds clarity, confidence, and trust
  • Drive the evolution of Unity's design system, promoting consistency, scalability, and craft in partnership with branding and marketing teams
  • Ensure accessibility, regulatory compliance, and ethical considerations are integrated into every design decision
  • Lead user research initiatives to uncover insights that drive product strategy and design decisions
  • Advocate for evidence-based design grounded in rigorous user research and testing methodologies
  • Synthesize insights from clinicians, patients, and operational teams to identify unmet needs and design opportunities
  • Champion the user perspective in cross-functional discussions, balancing clinical requirements, technical constraints, and business objectives

Requirements

  • 7–10 years of professional experience in UX, product design, or service design
  • 3+ years in leadership roles with demonstrated ability to own design strategy and guide team members
  • Proven track record designing in healthcare, biotech, or similarly complex regulated environments
  • An exceptional portfolio demonstrating systems-level thinking, strategic leadership, and user-centered problem solving from research through final execution
  • Experience in both B2B and B2C healthcare product contexts preferred
  • Background working with AI-powered product experiences a plus
  • Track record of partnering with product management on prioritization and phased delivery approaches
  • Expert-level skills in design and prototyping tools: Figma, Sketch, Miro, or similar platforms
  • Deep understanding of user research methodologies, from generative research to usability testing
  • Mastery of information architecture, interaction design principles, and UX best practices
  • Strong grasp of accessibility standards (WCAG) and healthcare regulatory requirements (HIPAA, FDA)

Benefits

  • 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
  • Multiple medical benefit options; employee premiums paid 100% of select plans, dependents covered up to 80%
  • Extremely generous Family Bonding Leave for new parents (16 weeks, paid at 100%)
  • Supplemental fertility benefits coverage
  • Retirement savings program including a 4% Company match
  • Increase paid time off with increased tenure
  • 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, restaurant)
  • Free on-site EV charging (compatible with all EVs, including Tesla)

Key Skills

UX design Product design Service design Healthcare design Biotech design Regulated environments design Leadership Design strategy User research User-centered design Systems thinking Design systems Information architecture Interaction design UX best practices Accessibility standards (WCAG) Healthcare regulatory requirements (HIPAA, FDA) Figma Sketch Miro Design prototyping tools Design testing methodologies Cross-functional collaboration Communication Problem-solving Strategic thinking AI-powered product experiences B2B and B2C healthcare product contexts Prioritization and phased delivery approaches Product management Partnership development

About Billiontoone

BillionToOne is a precision diagnostics company with the mission to make molecular diagnostics more accurate, efficient, and accessible. Our proprietary molecular counting platform can accurately count DNA molecules at the single-count level to help improve disease detection.

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