Principal Product Designer

WeightWatchers is a global digital health company.

WeightWatchers is a global digital health company and the world’s #1 doctor-recommended, clinically studied behavioral weight health program. For sixty years, we have led the industry by blending science and community to help millions of people build sustainable healthy habits.

As the science of weight health rapidly evolves, so does WeightWatchers. We are redefining the category by developing new clinical pathways for GLP-1 medication access, creating specialized behavioral programs for members on weight-loss medications, and integrating medical care with our proven habit-change framework. By combining these clinical breakthroughs with our digital-first community, we are uniquely positioned to lead the future of weight health care.

As a Principal Product Designer at Weight Watchers, you’ll play a pivotal role in shaping the design direction of our products and services and ensuring that our user experiences are intuitive, engaging, and aligned with our business goals.

This is a senior IC role for a designer who thrives in complexity and ambiguity, owns large problem spaces end-to-end, and leads through influence, judgment, and considered product thinking. You will act as a strategic partner from product discovery and planning to execution and launch, helping to establish what excellence looks like for both the design organization and the wider enterprise systems.

Responsibilities

Design Leadership & Strategy

• Drive the Vision: Lead and drive the design vision for major product areas, aligning closely with Product and Engineering leadership to influence product strategy and prioritization.
• Drive 0→1 Initiatives: Lead early-stage, ambiguous problem spaces by framing opportunities, defining foundational systems, and shaping first iterations of new experiences.
• Strategic Influence: Serve as a trusted partner to executive stakeholders, advocating for best product practices and ensuring alignment with long-term business objectives.

Craft & Execution

• Design System: In partnership with the design org, define and evolve a unified design system, ensuring consistency, accessibility, and visual quality across all platforms and products.
• Complex Problem Solving: Translate business requirements, member needs and market understanding into clear strategy and intuitive, elegant experiences. Deliver high-quality interaction designs, prototypes, and visual systems.
• Prototyping & Validation: Lead the way with AI experimentation and advanced tools to bring concepts to life, iterating and validating solutions through research, data, and user feedback.

Collaboration & Practice Building

• Cross-Functional Alignment: Partner across EPD, Clinical teams, Research, and Marketing to ensure design decisions are technically feasible and strategically aligned.
• Elevate Design and Product Maturity: Partner with Design and Product leadership to establish frameworks, standards, and documentation that mature the design practice at Weight Watchers.
• Communication & Storytelling: Articulate design decisions and narratives clearly to stakeholders at all levels, creating alignment and driving accountability across the organization.

Mentorship & Culture

• Level-up the practice: Mentor and coach designers across all levels, providing guidance on product strategy, craft excellence, and professional growth.
• Cultivate Excellence: Model exceptional de