Principal Product Designer

📍 Job Overview

Job Title: Principal Product Designer

Company: Twin Health

Location: Remote, USA

Job Type: Full-time

Category: Product Design / UX

Date Posted: 2026-09-03

Experience Level: 10+ Years

Remote Status: Fully Remote

🚀 Role Summary

• Lead the end-to-end experience strategy for Twin Health's core mobile application, serving as the primary touchpoint for members managing chronic conditions.

• Pioneer the design of agentic AI interactions within healthcare, defining novel patterns for AI that acts autonomously, provides proactive guidance, and adapts in real-time.

• Set the highest standard for design craft and thought leadership across the organization, influencing product roadmaps and establishing design best practices.

• Drive innovation by conceptualizing, prototyping, and validating entirely new design patterns for complex health-related AI systems.

• Collaborate closely with senior stakeholders, engineers, clinicians, and executives to translate complex clinical data and AI insights into intuitive, motivating, and outcome-driven user experiences.

📝 Enhancement Note: This role is positioned as a "Principal" level, indicating a senior individual contributor with significant strategic influence and leadership expectations, particularly in the innovative space of agentic AI in healthcare. The emphasis on "0-to-1 invention" and "no established playbook" highlights the pioneering nature of this position, requiring a high degree of creative autonomy and comfort with ambiguity.

📈 Primary Responsibilities

• Vision & Strategy:

  • Identify and spearhead mission-critical design initiatives with substantial scope and long-term impact on the business trajectory.
  • Invent and define novel interaction patterns for agentic AI systems in healthcare, focusing on proactive guidance, autonomous actions, and user trust.
  • Contribute design leadership to product roadmap shaping across various teams, ensuring a cohesive and user-centered approach.
  • Lead design strategy for interconnected member journeys, from onboarding to long-term health management, establishing and aligning on quality standards.

• Innovation & Problem Solving:

  • Drive the creation of original design patterns for complex problems with no existing solutions, balancing AI agency with user control and transparency.
  • Apply broad design expertise to high-complexity initiatives and consult on smaller-scale efforts, elevating overall design quality.
  • Facilitate innovation workshops and ideation sessions to foster novel design territory exploration.

• Craft & Execution:

  • Establish and uphold the highest standards for interaction design, visual design, copy direction, and systems thinking within the organization.
  • Translate complex clinical information and AI insights into intuitive and motivating user experiences that drive measurable health outcomes.
  • Own the complete design craft lifecycle, including information architecture, interaction design, visual design, copy direction, and user validation.
  • Proactively identify and advocate for the resolution of visual, accessibility, and interaction issues across all products.
  • Contribute to and evolve Twin Health's design system, establishing new reusable components for agentic AI patterns.

• Collaboration & Leadership:

  • Mentor and guide fellow designers and cross-functional partners in advocating for best practices and elevating design craft.
  • Build and maintain strong relationships with senior stakeholders and executives, using clear rationale and humility in negotiations.
  • Define and execute user research to uncover unmet needs and validate design directions, translating insights into actionable design decisions.
  • Communicate and storytell effectively to diverse audiences, including clinicians, engineers, and executives, defending novel design concepts with confidence.

• Impact:

  • Make contributions that extend beyond immediate role boundaries, positively influencing business health, product direction, and design culture.

  • Continuously refine the design function's approach based on business needs, industry shifts, and advancements in AI-powered product design.

📝 Enhancement Note: The responsibilities emphasize a blend of strategic vision, pioneering innovation in a nascent field (agentic AI), and hands-on execution at the highest craft level. The leadership aspect is pronounced, requiring mentorship and senior stakeholder management, typical of a Principal-level role.

🎓 Skills & Qualifications

Education: Bachelor's degree in Design, HCI, or a related field, or equivalent practical experience.

Experience: 10+ years of product/UX design experience.

Required Skills:

• Demonstrated experience designing agentic AI experiences, where AI takes action, offers proactive interventions, or operates with autonomy.

• Proven ability to design "0-to-1" experiences, creating original interaction patterns in areas with no prior art and articulating the underlying thought process.

• High degree of creative courage and inventiveness, pushing beyond familiar solutions with a track record of industry-referenced work.

• Expert-level communication and storytelling skills, capable of negotiating with and persuading leaders at all levels with clarity, humility, and rationale.

• High independence and ingenuity in solving critical design challenges, with a history of identifying and executing new opportunities proactively.

• Comprehensive portfolio demonstrating the highest level of craft across interaction design, visual design, and systems thinking.

• Deep understanding of information architecture, user research methodologies, and translating complex data into intuitive experiences.

• Experience with accessibility standards and best practices in design.

• Strong understanding of design systems and their application in creating scalable, consistent user experiences. Preferred Skills:

• Hands-on experience with Large Language Model (LLM) prompting as part of a design or prototyping workflow, utilizing AI as a creative tool.

• Experience establishing design patterns for AI transparency, explainability, or human-in-the-loop interactions.

📝 Enhancement Note: The qualifications strongly emphasize pioneering experience with AI, particularly "agentic AI," and a proven track record of creating novel interaction patterns from scratch. This differentiates the role from standard product design positions, requiring a unique blend of innovation, strategic thinking, and advanced design craft.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A comprehensive portfolio showcasing a minimum of 10 years of product/UX design experience.

• Demonstrations of high-level craft across interaction design, visual design, and sophisticated systems thinking.

• Specific case studies detailing the design of agentic AI experiences, illustrating how AI was empowered to act autonomously or proactively.

• Evidence of "0-to-1" design initiatives, with clear articulation of the problem space, innovative solutions, and the process used to invent new interaction patterns.

• Examples of how complex clinical or technical concepts were translated into intuitive and motivating user interfaces.

• Projects that highlight strategic thinking, influencing product roadmaps, and driving mission-critical design initiatives.

• Case studies showcasing mentorship of other designers or cross-functional partners. Process Documentation:

• Detailed case studies that explain the design process from conception to execution, including user research, ideation, prototyping, validation, and final implementation.

• Documentation of how design decisions were informed by clinical complexity, AI insights, or user needs, with a focus on driving health outcomes.

• Examples of contributions to or establishment of design systems, particularly for new interaction paradigms like agentic AI.

• Articulation of how accessibility, transparency, and user control were integrated into AI-driven experiences.

📝 Enhancement Note: The portfolio requirements are exceptionally rigorous, demanding concrete examples of pioneering AI design and "0-to-1" innovation. Candidates must be prepared to deeply articulate their process, strategic influence, and the impact of their designs, especially in novel domains.

💵 Compensation & Benefits

Salary Range: $220,000 - $240,000 USD annually.

Benefits:

• Competitive compensation package aligned with leading technology companies.

• Opportunity for equity participation, offering potential for long-term financial growth.

• Unlimited vacation policy (with manager approval), promoting work-life balance and employee autonomy.

• Comprehensive parental leave: 16 weeks of 100% paid leave for delivering parents and 8 weeks for non-delivering parents.

• Fully employer-sponsored healthcare, dental, and vision insurance for employees, with 80% coverage for family members.

• Health Savings Account (HSA) and Flexible Spending Account (FSA) options for managing healthcare expenses.

• 401k retirement savings plan, supporting long-term financial security.

• Remote work environment with a global team, offering flexibility and diverse perspectives.

Working Hours: The standard workweek is 40 hours, with flexibility expected given the remote nature of the role and the demands of pioneering new design frontiers.

📝 Enhancement Note: The salary range is competitive for a Principal Product Designer role in the US, reflecting the seniority and specialized expertise required, particularly in AI and healthcare. The comprehensive benefits package underscores the company's commitment to employee well-being and long-term engagement.

🎯 Team & Company Context

🏢 Company Culture

Industry: Digital Health, Healthcare Technology, AI/ML. Twin Health is at the forefront of applying AI Digital Twin technology to revolutionize metabolic health, focusing on preventing and reversing chronic diseases like type 2 diabetes and obesity. The company leverages cutting-edge technology to create a new standard of care.

Company Size: While not explicitly stated, the mention of recent funding rounds ($53M Series E in 2025, $50M in 2023) and backing by major venture firms (ICONIQ Growth, Sequoia, Sofina, Temasek, Peak XV) suggests a rapidly scaling, well-funded organization likely in the growth-stage, with potentially hundreds of employees.

Founded: Twin Health has secured significant funding in 2023 and 2025, indicating a company that has moved past its early startup phase and is in a significant growth and scaling period.

Team Structure:

• The design team likely consists of talented individuals with a passion for improving health outcomes, operating within a collaborative and supportive environment.

• This Principal role suggests a structure where senior designers mentor others and influence product strategy across multiple teams.

• Cross-functional collaboration is a cornerstone, involving close partnerships with clinicians, engineers, product managers, and executive leadership. Methodology:

• Data Analysis & Insights: The company's core technology relies on AI Digital Twins, built from thousands of data points (CGMs, smartwatches, meal logs). Design decisions are expected to be data-informed and driven by clinical complexity and AI-generated insights.

• Workflow Planning & Optimization: Emphasis on designing end-to-end member journeys and optimizing processes for long-term behavior change and health improvement.

• Automation & Efficiency: A key aspect of the role involves designing for agentic AI, which inherently implies automation and increased efficiency in how users manage their health.

Company Website: https://twinhealth.com/

📝 Enhancement Note: Twin Health's culture is characterized by a strong mission-driven purpose, innovation in AI and healthcare, and a focus on employee empowerment and collaboration. The company's growth trajectory and investor backing indicate a dynamic and ambitious environment.

📈 Career & Growth Analysis

Operations Career Level: This Principal Product Designer role represents a senior individual contributor (IC) path within the design function. It's a leadership role focused on setting strategic direction, pioneering new design paradigms, and mentoring other designers, rather than managing a team directly. The scope is broad, influencing product roadmaps and design culture across the organization.

Reporting Structure: While not explicitly stated, a Principal Designer typically reports to a Head of Design, VP of Design, or a senior Product leader. They will work closely with Product Managers, Engineering Leads, and Clinical teams, acting as a key design voice in cross-functional product development.

Operations Impact: The impact of this role is profound. By designing the core member experience and pioneering agentic AI interactions, the Principal Product Designer directly influences:

• Member Health Outcomes: Designing intuitive and motivating experiences that lead to improved metabolic health, reduced medication reliance, and sustained weight loss.

• Product Strategy & Innovation: Shaping the future direction of Twin Health's platform by inventing novel AI-driven healthcare interactions.

• Design Culture & Quality: Setting the standard for design excellence and fostering a culture of innovation and continuous improvement within the design team.

• Business Growth: Contributing to user engagement, retention, and the overall success and scalability of Twin Health's digital health solutions.

Growth Opportunities:

• Specialization: Deepen expertise in designing for AI, agentic systems, and complex healthcare domains, becoming a recognized thought leader in this niche.

• Strategic Influence: Expand influence on product strategy, business direction, and cross-functional decision-making at executive levels.

• Design System Leadership: Lead the evolution and expansion of the design system, particularly in defining new patterns for AI-driven interactions.

• Industry Recognition: Potentially contribute to industry thought leadership through publications, speaking engagements, or open-source contributions related to AI design in healthcare.

📝 Enhancement Note: The Principal role offers a significant opportunity for impact and growth for a designer specializing in cutting-edge AI and healthcare. It's a path for deep technical and strategic contribution, leading through influence and expertise.

🌐 Work Environment

Office Type: This is a fully remote position based in the USA. Twin Health emphasizes a remote-first culture, offering flexibility and the ability to work from anywhere within the United States.

Office Location(s): While the role is remote, the company is headquartered in San Francisco, California, and has a global presence. Remote employees are expected to be authorized to work in the U.S.

Workspace Context:

• Collaborative Environment: Despite being remote, the culture fosters collaboration through digital tools and intentional communication strategies, encouraging interaction among designers, engineers, product managers, and clinical teams.

• Operations Tools & Technology: Employees will have access to standard remote work tools and design software necessary for high-fidelity design, prototyping, and collaboration. The company likely utilizes modern cloud-based platforms for communication and project management.

• Team Interaction: Regular virtual meetings, design critiques, workshops, and informal check-ins are expected to facilitate connection and knowledge sharing within the remote team.

Work Schedule: The role is full-time, with an expectation of 40 hours per week. Given the remote nature and the pioneering aspect of the role, there may be flexibility in daily scheduling, but consistent availability for collaboration and project needs is crucial.

📝 Enhancement Note: The fully remote nature of this position is a key aspect, requiring self-discipline and strong communication skills. The company's commitment to a remote-first culture suggests robust support systems for remote employees.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will likely review your application and portfolio to assess alignment with the core requirements, especially experience with agentic AI and 0-to-1 design.

• Portfolio Presentation & Deep Dive: Expect a session where you present your portfolio, focusing on specific case studies that demonstrate your craft, strategic thinking, and pioneering AI design experience. Be prepared to discuss your process, rationale, and impact in detail.

• Design Challenge/Workshop: A practical exercise, potentially involving a hypothetical AI-driven healthcare problem, to assess your problem-solving skills, ideation capabilities, and approach to designing novel interactions. This might be a take-home assignment or an interactive workshop.

• Cross-Functional Interviews: Meetings with Product Managers, Engineering Leads, and potentially Clinical experts to evaluate your collaboration style, ability to translate complex information, and understanding of the healthcare domain.

• Executive/Leadership Interview: A final discussion with senior leadership to assess your strategic vision, leadership potential, cultural fit, and ability to influence at the highest levels.

Portfolio Review Tips:

• Curate for Impact: Select 3-5 of your strongest projects that best showcase your experience with AI, 0-to-1 innovation, and complex problem-solving. Prioritize projects demonstrating strategic influence and high-level craft.

• Tell the "Agentic AI" Story: Clearly articulate your role and contributions in designing experiences where AI acts autonomously or proactively. Explain the challenges, your unique approach, and the outcomes.

• Highlight "0-to-1" Innovation: For these projects, detail the problem space, your ideation process, how you validated novel concepts, and the resulting interaction patterns.

• Quantify Impact: Whenever possible, use data and metrics to demonstrate the success of your designs, especially concerning user engagement, health outcomes, or business impact.

• Showcase Systems Thinking: Include examples that demonstrate your ability to design scalable systems and contribute to or build design systems.

• Prepare for Defense: Be ready to defend your design decisions, articulate your rationale clearly, and discuss trade-offs made during the design process.

Challenge Preparation:

• Understand the Domain: Familiarize yourself with Twin Health's mission, the challenges of metabolic health, and the current landscape of AI in healthcare.

• AI Interaction Patterns: Research emerging patterns in agentic AI, proactive interfaces, and human-AI collaboration. Think about trust, transparency, and user control.

• Healthcare UX: Consider the unique constraints and ethical considerations of designing for health, including patient privacy, clinical accuracy, and behavioral change.

• Structure Your Response: For any challenge, structure your approach logically: problem definition, user research (hypothetical), ideation, proposed solution (sketches, wireframes, user flows), and validation strategy.

📝 Enhancement Note: The interview process is designed to rigorously assess advanced design skills, pioneering AI design capabilities, strategic thinking, and leadership potential. A strong, tailored portfolio is crucial for advancing.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma (or similar industry-standard tools like Sketch, Adobe XD) for high-fidelity design, wireframing, and prototyping.

• Collaboration & Communication: Slack, Zoom, Google Workspace (Docs, Sheets, Slides), or Microsoft 365 for team communication, project management, and document sharing.

• User Research & Testing: Tools like UserTesting.com, Lookback, Maze, or internal research platforms for conducting user interviews, usability testing, and gathering feedback.

• Design System Management: Tools integrated with design platforms or dedicated design system management software for component libraries and documentation.

Analytics & Reporting:

• Product Analytics: Tools such as Amplitude, Mixpanel, Google Analytics, or internal dashboards to track user behavior, feature adoption, and key performance indicators.

• Data Visualization: Potentially Tableau, Looker, or similar tools for exploring and visualizing data that informs design decisions.

CRM & Automation:

• While not directly a designer's primary tool, understanding how CRM systems (e.g., Salesforce) and marketing automation platforms might feed into user experience or data collection can be beneficial.

• AI/ML Platforms: Familiarity with the outputs and capabilities of AI/ML platforms used by Twin Health would be advantageous for designing agentic experiences.

📝 Enhancement Note: Proficiency in leading design and prototyping tools is essential. Experience with platforms that support data analysis, user research, and design system management will be highly valued, enabling effective collaboration and data-informed design.

👥 Team Culture & Values

Operations Values:

• Passion: A deep commitment to improving metabolic health and member well-being, driving the pursuit of innovative solutions.

• Talent: Valuing and attracting highly skilled individuals who bring expertise, creativity, and a drive for excellence in their respective fields.

• Trust: Fostering an environment of mutual respect, transparency, and reliability among team members, stakeholders, and members.

• Innovation: A continuous drive to explore new frontiers, particularly in AI and digital health, and to invent novel solutions that challenge the status quo.

• Impact: A focus on delivering measurable health outcomes for members and creating significant value for partners and investors.

Collaboration Style:

• Cross-functional Integration: Design is deeply integrated with Product Management, Engineering, and Clinical teams, ensuring a holistic approach to product development.

• Data-Driven Decision Making: A culture that values data and insights from AI, clinical expertise, and user research to inform design choices.

• Constructive Feedback: Openness to sharing work early and often, providing and receiving constructive feedback to elevate the quality of design and product solutions.

• Proactive Communication: Essential in a remote environment, with an emphasis on clear, timely, and transparent communication across all levels and functions.

📝 Enhancement Note: The company's core values of Passion, Talent, and Trust are central to its culture. For a Principal Designer, demonstrating these values through innovative contributions, collaborative spirit, and a commitment to member well-being will be key to success.

⚡ Challenges & Growth Opportunities

Challenges:

• Pioneering Agentic AI UX: Designing for AI that acts autonomously in a sensitive domain like healthcare is complex, requiring careful consideration of trust, transparency, user control, and ethical implications. There is no existing playbook.

• Translating Clinical Complexity: Effectively communicating intricate medical information and AI insights into simple, actionable, and motivating user experiences.

• Balancing Innovation with Rigor: The need to invent novel solutions while ensuring they are safe, effective, compliant, and meet the needs of individuals managing chronic conditions.

• Remote Collaboration & Influence: Maintaining strong influence and collaborative effectiveness as a senior individual contributor in a fully remote setting, especially when advocating for novel design directions.

Learning & Development Opportunities:

• AI Design Expertise: Becoming a leading expert in designing for advanced AI interactions, specifically agentic systems in healthcare, which is a rapidly evolving field.

• Strategic Product Leadership: Developing skills in shaping product vision and strategy at a higher organizational level, influencing business direction through design.

• Cross-Disciplinary Knowledge: Deepening understanding of clinical science, AI/ML technologies, and behavioral economics as applied to health.

• Mentorship & Thought Leadership: Opportunities to mentor emerging designers and contribute to the broader design community through sharing knowledge and best practices in AI-driven healthcare design.

📝 Enhancement Note: The primary challenge lies in the innovative nature of designing agentic AI experiences in healthcare, offering significant growth opportunities for those who can navigate this frontier.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you designed a '0-to-1' product or feature. What was the problem, your approach, and the outcome?" (Prepare a case study showcasing your ability to invent in uncharted territory.)

• "How would you approach designing an AI system that proactively intervenes in a user's health management, and what are the key considerations for user trust and control?" (Focus on principles for agentic AI UX, transparency, and user agency.)

• "Walk us through how you would translate complex clinical data or AI-generated insights into a clear and motivating user experience for someone managing a chronic condition." (Emphasize your process for simplification, visualization, and behavioral motivation.)

• "How do you influence product roadmaps and gain buy-in from senior stakeholders for novel design concepts that deviate from established patterns?" (Highlight your negotiation, persuasion, and storytelling skills.) Company & Culture Questions:

• "What excites you about Twin Health's mission and our approach to metabolic health using AI Digital Twins?" (Research the company's mission, technology, and recent achievements.)

• "How would you contribute to and evolve a design system, particularly in defining new patterns for AI interactions?" (Discuss your experience with design systems and your vision for scaling design.)

• "Given our values of Passion, Talent, and Trust, how do you see yourself embodying these in this role?" (Reflect on how your work ethic and approach align with these core principles.)

• "How do you approach mentorship and elevating the design craft of your peers and cross-functional partners?" (Share examples of mentoring or collaborative improvement initiatives.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each project, clearly articulate the problem, your role and responsibilities, your process, the challenges encountered, the solutions you designed, and the impact achieved (quantified if possible).

• Focus on AI & Innovation: Dedicate significant time to projects showcasing your experience with AI, agentic systems, and "0-to-1" design. Explain the unique challenges and your innovative solutions.

• Showcase Craft: Ensure your visual and interaction design examples are polished and demonstrate a high level of detail and execution.

• Be Prepared for Questions: Anticipate questions about your decision-making process, trade-offs, challenges, and alternative approaches. Be ready to go deep into the details of your work.

• Demonstrate Strategic Thinking: Connect your design work to business objectives and user outcomes, showing how your contributions drove value.

📝 Enhancement Note: The interview process is designed to assess not just design skills but also strategic thinking, leadership potential, and the ability to navigate ambiguity in a cutting-edge field. A portfolio that clearly articulates "0-to-1" innovation and agentic AI design is paramount.

📌 Application Steps

To apply for this Principal Product Designer position:

• Submit your application through the provided link on Greenhouse.

• Portfolio Customization: Curate your portfolio to prominently feature projects demonstrating your experience with agentic AI, "0-to-1" innovation, and complex problem-solving in healthcare or similar domains. Ensure each project clearly outlines your role, process, and impact.

• Resume Optimization: Tailor your resume to highlight your 10+ years of experience, specific skills in interaction design, visual design, systems thinking, AI design, and leadership. Use keywords from the job description, such as "agentic AI," "0-to-1," "healthcare technology," and "product strategy."

• Interview Preparation: Practice presenting your portfolio, focusing on articulating your design process, strategic contributions, and the unique challenges and solutions for pioneering AI interactions. Prepare concise answers for strategy and behavioral questions.

• Company Research: Deeply understand Twin Health's mission, technology (AI Digital Twins), target audience (patients with chronic metabolic diseases), and company values. Be ready to articulate why you are a strong fit for their culture and vision.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.