Principal Product Designer
Posted 1ds ago
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Job Description
Principal Product Designer leading the radiologist experience of AI-native Mosaic Reporting at Cognita. Owning design systems and collaborating with engineering to create innovative medical imaging solutions.
Responsibilities:
- Own the end-to-end radiologist experience of Mosaic Reporting, developing a deep understanding of user experience and radiologist satisfaction as the product rolls out more broadly.
- Design a system that adapts to the different ways radiologists have learned to interact with technology, rather than forcing a single workflow.
- Balance innovation and familiarity: introduce new interactions while preserving enough of what radiologists already know to keep them confident and efficient.
- Define how we prioritize next steps to improve radiologist satisfaction, identifying the signal in user feedback that should drive design decisions.
- Contribute to product strategy and roadmap alongside the product lead, using insight into radiologist needs to help shape what we build and how we sequence it.
- Plan and conduct user research (surveys, interviews, and usability studies with practicing radiologists) and synthesize findings into design direction.
- Produce mockups, prototypes, and interaction flows in Figma, and partner with engineering to bring them to production.
- Collaborate closely with radiologists and clinicians to understand what it takes to design Mosaic Reporting as a scalable product used by radiologists and patients around the world.
- Create the standardized product manuals, documentation, and design language that will support customers across Radiology Partners and beyond.
- Establish and own the design system and interaction patterns that keep the product consistent as it grows across surfaces, teams, and customers.
Requirements:
- Strong experience leading product design for complex, production software, from research through shipped product.
- A track record of running user research (interviews, surveys, usability testing) and turning it into concrete design decisions.
- Experience designing for clinical, medical, or other expert and high-stakes professional users.
- Experience designing real-time, low-latency, or voice- and dictation-driven interfaces.
- Familiarity with LLM- or AI-powered products and designing for probabilistic, model-driven outputs.
- Experience working in healthcare or other regulated environments, and handling PHI / building to HIPAA requirements.
- Radiology or medical imaging domain knowledge (modalities, reporting workflows, structured reporting).
- Experience building and maintaining design systems and product documentation at scale across global customers.
- Familiarity with React / Next.js and close, hands-on collaboration with frontend engineers.
Benefits:
- Competitive Benefits package – Eligibility starts the month after hire, with tiered options to choose from.
- Compensation Reviews, Career Growth Opportunities
- Generous PTO Plans and Paid Holidays



















