Principal Product Designer, Mosaic Reporting

📍 Job Overview

Job Title: Principal Product Designer, Mosaic Reporting

Company: Cognita Imaging Inc.

Location: San Francisco Bay Area (in-person), Remote or Hybrid (United States)

Job Type: Full-time

Category: Product Design / UX Design (Healthcare Technology)

Date Posted: June 04, 2026

Experience Level: Lead / Senior / Staff (10+ years)

Remote Status: Remote OK (United States)

🚀 Role Summary

• Lead the end-to-end radiologist user experience for Cognita's AI-native, real-time radiology reporting product, Mosaic Reporting.

• Drive product strategy and direction by deeply understanding radiologist workflows and feedback to inform design decisions and prioritize future development.

• Design and implement a scalable design system and interaction patterns for a complex, production-ready software used by thousands of radiologists.

• Collaborate intimately with clinical AI, engineering, and practicing radiologists to iteratively improve the product and ensure it meets critical patient care needs.

📝 Enhancement Note: This role is a senior individual contributor position focused on product design within the healthcare technology sector, specifically for AI-driven radiology reporting. The emphasis is on user experience for expert users, real-time interfaces, and scaling a proven product, aligning with high-stakes professional software design principles.

📈 Primary Responsibilities

• Own the complete radiologist experience for Mosaic Reporting, focusing on user satisfaction and adoption as the product expands.

• Develop innovative yet familiar interaction models that accommodate diverse radiologist working styles and technological comfort levels.

• Translate user feedback, research findings, and clinical insights into actionable design improvements and product roadmap contributions.

• Conduct comprehensive user research, including interviews, surveys, and usability studies with practicing radiologists, to inform design direction.

• Create high-fidelity mockups, interactive prototypes, and detailed interaction flows using Figma, and partner closely with engineering for seamless production implementation.

• Design and maintain a robust design system and standardized interaction patterns to ensure product consistency across various surfaces, teams, and customer segments.

• Develop product manuals, documentation, and design language guidelines to support global customer adoption and usability.

• Collaborate with radiologists, clinicians, AI specialists, and engineers to ensure the product's scalability and effectiveness in real-world clinical settings.

• Contribute to product strategy and roadmap definition, leveraging deep user understanding to influence what and when features are built.

📝 Enhancement Note: The responsibilities highlight a deep user-centric approach, requiring the designer to act as a product owner for the user experience. The focus on balancing innovation with familiarity, conducting rigorous user research, and building scalable design systems points to a senior-level expectation for strategic thinking and execution.

🎓 Skills & Qualifications

Education: No specific degree is mandated; exceptional ability and demonstrated experience are prioritized.

Experience: Strong experience leading product design for complex, production-grade software from research through to shipped product.

Required Skills:

• Mastery of Figma and modern prototyping tools.

• Demonstrated experience in leading user research (interviews, surveys, usability testing) and translating findings into design decisions.

• Fluency in interaction design, visual design principles, information architecture, and design systems.

• Proven ability to balance novel interactions with the familiarity required by expert users.

• Comfort operating in fast-paced, ambiguous environments with end-to-end product design ownership.

• Strong written and verbal communication skills, with the ability to articulate design rationale to diverse stakeholders (engineers, clinicians, leadership).

Preferred Skills:

• 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, with an understanding of HIPAA requirements and handling Protected Health Information (PHI).

• Domain knowledge in radiology or medical imaging (modalities, reporting workflows, structured reporting).

• Experience building and maintaining design systems and product documentation at scale for global customers.

• Familiarity with React / Next.js and close, hands-on collaboration with frontend engineers.

📝 Enhancement Note: The emphasis on "exceptional ability" over formal credentials suggests a strong focus on a candidate's portfolio and practical experience. The preferred skills indicate a significant advantage for candidates with direct experience in healthcare, AI, or complex professional software, particularly those involving real-time data or dictation.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate end-to-end product design leadership for complex, production software, showcasing the entire design lifecycle from research to launch.

• Provide clear examples of how user research informed design decisions and led to tangible product improvements.

• Showcase systems thinking through the design and implementation of robust design systems and interaction patterns.

• Exhibit mastery of Figma and prototyping tools, with case studies that illustrate your craft and strategic approach.

Process Documentation:

• Detail your methodology for conducting user research and synthesizing findings into actionable design strategies.

• Illustrate your approach to developing and maintaining design systems that ensure product consistency and scalability.

• Describe how you collaborate with engineering and clinical teams to bring designs to production and iterate based on feedback.

• Present case studies that highlight your ability to define product strategy and roadmap based on user insights in a fast-paced environment.

📝 Enhancement Note: The portfolio is critical for this role, especially demonstrating systems thinking and the ability to handle complex expert user interfaces. Case studies should explicitly show the impact of design decisions on user satisfaction and product scalability, particularly for AI-driven, real-time applications.

💵 Compensation & Benefits

Salary Range: $190,000 – $210,000 base salary per year.

Benefits:

• Competitive equity package.

• Comprehensive health, dental, and vision insurance.

• Generous paid time off and holidays.

• Opportunities for professional development and continuous learning.

• Support for remote or hybrid work arrangements.

Working Hours: Full-time, typically 40 hours per week, with flexibility expected for a fast-moving startup environment.

📝 Enhancement Note: The salary range is provided for a Principal-level Product Designer in the San Francisco Bay Area, reflecting the high cost of living and the senior nature of the role. The inclusion of equity is standard for early-stage tech companies and signifies potential for significant financial upside. The listed benefits are typical for a full-time role at a growth-stage technology company.

🎯 Team & Company Context

🏢 Company Culture

Industry: Healthcare Technology, Artificial Intelligence (AI), Medical Imaging.

Company Size: Early-stage startup (specific employee count not provided, but implied to be growing rapidly, with a focus on product development and clinical partnerships).

Founded: Founded by individuals from Stanford, building on AI research, with a strong partnership with Radiology Partners.

Team Structure:

• The Product Design team for Mosaic Reporting is currently small, with this role being the first dedicated designer for reporting.

• You will report to the Reporting Product Lead and work closely with a dedicated clinical AI and engineering team.

Methodology:

• Cognita operates on a "first principles" approach, questioning assumptions and reasoning from fundamentals to drive innovation.

• The culture is a meritocracy where impact is paramount, supported by direct feedback, mutual respect, and a focus on enabling employees to do their best work.

• All decisions are grounded in supporting clinicians to improve patient outcomes, indicating a mission-driven and patient-centric operational philosophy.

Company Website: https://cognita.ai/

📝 Enhancement Note: Cognita is positioned at the intersection of AI and healthcare, aiming to solve a critical global shortage in radiology. The company culture emphasizes rigorous problem-solving, meritocracy, and a strong sense of purpose tied to improving patient care through technology. This suggests an environment where high performers can make a significant impact.

📈 Career & Growth Analysis

Operations Career Level: Principal Product Designer – this is a senior individual contributor role, often considered a Staff or Lead level within design organizations. It implies significant autonomy, strategic influence, and ownership of a critical product area.

Reporting Structure: You will report directly to the Reporting Product Lead, indicating a close working relationship focused on product strategy and execution for the Mosaic Reporting product.

Operations Impact: Your work will directly influence the efficiency, accuracy, and satisfaction of thousands of radiologists, impacting patient care pathways and the scalability of Cognita's core AI product. This role is critical to the success and adoption of the reporting system.

Growth Opportunities:

• Specialization & Leadership: Opportunity to become the design authority for radiology reporting within Cognita, potentially leading future design initiatives in this domain.

• Skill Development: Deepen expertise in designing for expert users, real-time interfaces, AI-driven products, and the complexities of the healthcare domain.

• Strategic Influence: Play a key role in shaping product strategy and the future direction of a product with significant market potential and direct patient impact.

• Founding Team Impact: As an early design hire, you will have a substantial impact on establishing design culture and processes within a growing company.

📝 Enhancement Note: This role offers a significant opportunity for a seasoned designer to shape a critical product in a high-impact industry. The "Principal" title suggests a path towards becoming a design leader or expert within the company, with ample room for strategic contribution and professional growth.

🌐 Work Environment

Office Type: The role offers flexibility: San Francisco Bay Area (in-person), Remote, or Hybrid. This suggests a modern approach to work, accommodating different preferences and locations within the US.

Office Location(s): While a specific office address isn't detailed, the mention of "San Francisco Bay Area" implies potential for in-person collaboration in that region. Remote work is explicitly supported within the United States.

Workspace Context:

• Collaborative Environment: Close collaboration with engineering, clinical AI teams, product leads, and practicing radiologists is fundamental. This implies a dynamic and interactive work setting, whether in-person or virtual.

• Tools & Technology: Access to modern design tools like Figma and prototyping software is expected. Integration with frontend engineers (React/Next.js) is also a potential aspect of the day-to-day workflow.

• Operations Focus: The work environment supports deep focus on user experience, iterative design, and data-driven decision-making, essential for optimizing complex professional software.

Work Schedule: Full-time (typically 40 hours/week) with flexibility, aligning with the fast-paced nature of a startup. This allows for dedicated time for design, research, and collaboration.

📝 Enhancement Note: The flexible work arrangement (Remote/Hybrid/In-person) caters to a modern workforce, with the primary requirement being the ability to collaborate effectively across distributed teams, especially with clinical and engineering counterparts. The emphasis is on delivering high-impact design work regardless of physical location within the US.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Review of resume and portfolio to assess experience, skills, and alignment with the role's requirements.

• Portfolio Presentation & Discussion: A deep dive into your portfolio, discussing specific case studies, design rationale, research methodologies, and system thinking. Expect to explain how you balanced innovation with familiarity for expert users.

• Design Challenge/Exercise: Potentially a take-home assignment or a live exercise focused on a specific design problem relevant to the Mosaic Reporting product, assessing your problem-solving approach and design execution.

• Stakeholder Interviews: Meetings with the Reporting Product Lead, engineering leads, and potentially clinical stakeholders to assess collaboration style, communication skills, and strategic thinking.

• Final Round: Interviews with leadership to evaluate overall fit, impact potential, and cultural alignment.

Portfolio Review Tips:

• Showcase Complexity: Highlight projects involving complex workflows, expert users, or high-stakes decision-making environments.

• Demonstrate Systems Thinking: Clearly articulate your approach to design systems, pattern libraries, and ensuring consistency.

• Emphasize Research & Rationale: Detail your user research process and how it directly influenced your design decisions. Explain the "why" behind your design choices.

• Highlight Impact: Quantify the impact of your designs whenever possible (e.g., increased efficiency, improved user satisfaction, adoption rates).

• Address AI/Real-time Elements: If possible, showcase experience with AI-driven interfaces or real-time, low-latency systems.

• Structure for Clarity: Organize your portfolio logically, with clear project descriptions, your role, the problem, your process, and the outcome.

Challenge Preparation:

• Familiarize yourself with radiology reporting workflows and the challenges faced by radiologists.

• Consider how to design for real-time dictation and AI-assisted output.

• Think about how to balance introducing novel interactions with maintaining user familiarity.

• Be prepared to articulate your design process and rationale clearly and concisely.

📝 Enhancement Note: The interview process will heavily scrutinize your portfolio and your ability to articulate your design process, especially concerning complex expert user interfaces and systems thinking. Be prepared to discuss how you've handled ambiguity and driven product strategy through design.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Mastery is required for UI design, prototyping, and collaboration.

• Prototyping Tools: Proficiency with modern prototyping software (e.g., Figma's built-in capabilities, Principle, Framer) is expected.

Analytics & Reporting:

CRM & Automation:

Development Environment:

• Familiarity with React / Next.js is a plus, indicating a need for close collaboration with frontend engineers and an understanding of implementation constraints and possibilities.

📝 Enhancement Note: The primary tool requirement is Figma. However, a candidate's ability to work effectively with frontend engineers implies a need for some understanding of web development frameworks like React/Next.js, even if not directly coding. Familiarity with AI/LLM interfaces and potentially voice-based interaction tools would be highly advantageous.

👥 Team Culture & Values

Operations Values:

• First Principles Thinking: A commitment to questioning assumptions and building solutions from fundamental truths, fostering innovation and rigorous problem-solving.

• Meritocracy & Impact: A culture where performance and tangible results are valued above all else, empowering individuals to make a significant impact.

• Direct Feedback & Respect: An environment that encourages open, honest, and direct communication, built on a foundation of mutual respect.

• Clinician Support & Patient Outcomes: A core dedication to empowering clinicians and improving patient care through advanced technology, serving as the ultimate driver for all decisions.

• Ownership & Trust: Employees are given the trust and resources necessary to excel and take full ownership of their work.

Collaboration Style:

• Cross-functional Integration: Highly collaborative, requiring seamless integration with Product Management, AI/ML Engineering, Frontend Engineering, and Clinical teams.

• User-Centricity: Design decisions are heavily influenced by direct feedback and insights from practicing radiologists.

• Iterative Improvement: A continuous cycle of design, feedback, and iteration is expected to refine the user experience and product functionality.

• Knowledge Sharing: Encouragement of sharing insights and best practices, especially as the first dedicated design hire for reporting.

📝 Enhancement Note: Cognita fosters a culture of high performance, intellectual rigor, and a shared mission. The emphasis on "building from first principles" and "direct feedback" suggests an environment for ambitious individuals who thrive on challenging the status quo and collaborating intensely to achieve a meaningful outcome.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing Innovation and Familiarity: Designing a novel AI-powered reporting system that is both cutting-edge and comfortable for expert users accustomed to established workflows.

• Designing for Ambiguity: Operating in a fast-paced startup environment where product direction may evolve, requiring adaptability and strong product judgment.

• Translating Complex Needs: Understanding and translating the intricate needs of radiologists and clinical workflows into intuitive and efficient user experiences.

• Scaling a Production Product: Evolving a deployed product to meet the needs of a rapidly growing user base and expanding customer segments, while maintaining consistency and quality.

• Establishing Design Standards: As the first dedicated design hire for reporting, you will be instrumental in defining and embedding design best practices and a design system.

Learning & Development Opportunities:

• Domain Expertise: Deepen knowledge in healthcare technology, AI/LLM applications, radiology workflows, and regulatory compliance (HIPAA).

• Product Leadership: Gain experience in shaping product strategy and roadmaps in collaboration with product leads and executive teams.

• Design Systems at Scale: Develop expertise in building and maintaining scalable design systems for complex enterprise software.

• Expert User Design: Hone skills in designing for highly specialized and demanding professional users.

• Startup Growth: Experience the rapid growth and evolution of a venture-backed technology company.

📝 Enhancement Note: This role presents significant challenges related to user adoption of new technology in a critical domain, but these challenges are directly linked to immense growth and learning opportunities for a motivated designer. The chance to establish design practices from the ground up is a key differentiator.

💡 Interview Preparation

Strategy Questions:

• Product Vision & Strategy: Be prepared to discuss your vision for the future of radiology reporting and how AI can transform it. How would you prioritize features to balance innovation with radiologist adoption?

• User-Centric Design: How do you gather and synthesize user feedback from expert users? Discuss a time you had to balance conflicting user needs or preferences.

• Systems Thinking: Explain your approach to building and maintaining design systems. How do you ensure consistency and scalability across a complex product?

• Problem Solving: Walk through a complex design challenge you faced, detailing your process, the trade-offs you made, and the outcome. Focus on how you leveraged user research and design principles.

Company & Culture Questions:

• Motivation: Why Cognita Imaging and this specific role? What excites you about our mission and the challenges in healthcare AI?

• Culture Fit: How do you approach collaboration in a fast-paced, meritocratic environment? How do you handle direct feedback?

• Impact: How do you measure the success of your design work? How would you demonstrate the impact of your design on radiologist efficiency and patient care?

Portfolio Presentation Strategy:

• Tell a Story: For each case study, clearly articulate the problem, your role, your process, the key decisions, and the impact.

• Focus on Rationale: Be ready to explain why you made certain design choices, referencing user research, design principles, or business goals.

• Demonstrate Systems: Show examples of your design system work and how it contributes to product consistency and efficiency.

• Highlight AI/Real-time: If you have relevant experience, showcase how you designed for AI-driven outputs or real-time interfaces.

• Be Concise: Respect time limits and focus on the most impactful aspects of your work.

📝 Enhancement Note: Expect interviews to be highly interactive and focused on your practical experience and strategic thinking. Be prepared to defend your design decisions with data and user insights, demonstrating a strong understanding of expert user workflows and the nuances of healthcare technology.

📌 Application Steps

To apply for this Principal Product Designer position:

• Submit your application through the provided Ashby link.

• Portfolio Customization: Tailor your portfolio to highlight projects demonstrating end-to-end product design leadership, systems thinking, and experience with complex expert users or AI-driven interfaces. Emphasize case studies that show your research process and the impact of your designs.

• Resume Optimization: Ensure your resume clearly articulates your experience in leading product design for production software, your proficiency with Figma, and your user research capabilities. Use keywords like "Product Design," "UX Design," "Figma," "User Research," "Design Systems," and "Healthcare Technology."

• Interview Preparation: Thoroughly review your portfolio and prepare to discuss your design process, rationale, and impact in detail. Practice articulating your approach to balancing innovation with familiarity for expert users, and your understanding of the radiology domain.

• Company Research: Familiarize yourself with Cognita Imaging's mission, technology (Mosaic Reporting, AI/LLM), and partnership with Radiology Partners. Understand their "first principles" culture and meritocratic values.

⚠️ Important Notice: This enhanced job description provides insights and context based on industry standards and available information. Candidates should verify all details directly with Cognita Imaging during the application and interview process.