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Lead UX Designer

Job in Menlo Park, San Mateo County, California, 94029, USA
Listing for: BillionToOne
Full Time position
Listed on 2026-06-26
Job specializations:
  • IT/Tech
    UI/UX Design, Product Designer, Digital Media / Production
Job Description & How to Apply Below

Lead UX Designer

Lead UX Designer responsible for owning the end‑to‑end experience strategy and execution for Unity, our prenatal diagnostic platform. This role bridges genomic science with user‑centered design to translate complex molecular diagnostics into clear, trustworthy experiences for clinicians, patients, and operational teams.

Responsibilities
  • Strategic Design Leadership
    • 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
    • Translate product strategy into actionable design initiatives that connect user journeys with clinical workflow realities
  • End to End Design Execution
    • Lead the complete design process from discovery and research through wire framing, 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 that capture the full patient and clinician experience
    • 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
  • Team Leadership and Collaboration
    • Oversee and mentor junior designers and UX contractors, providing clear direction, constructive feedback, and opportunities for growth
    • Build a culture of design excellence, systems thinking, and user advocacy within the design team and across the organization
    • Partner with engineers to ensure the experiential quality of what ships matches design intent and maintains high craft standards
    • Present and defend design decisions to stakeholders across product, clinical, and executive leadership
    • Collaborate with product managers, engineers, clinicians, and genetic counseling teams to align design work with broader organizational goals
    • Identify opportunities and drive initiatives independently while maintaining strategic alignment across teams
Qualifications
  • 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)
  • Experience creating and maintaining design systems at scale
Benefits
  • Working alongside passionate colleagues in an…
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