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.

Who We Are

Fueled by passion for member success, the Weight Watchers Product team combines talented product managers and designers. Together, they craft impactful experiences that enhance members' lives. This includes intuitive tools on the guest site, an improved member app, and workshop tools for coaches.

Their focus is on creating science-backed products and experiences that promote weight loss through behavior change, with empathy and inclusivity at the core.

What You'Ll Do

As a Principal Product Designer, Growth at Weight Watchers, you’ll play a pivotal role in driving user acquisition, activation, retention, and monetization. You will shape the design direction of our most critical growth levers, ensuring that user experiences are not only intuitive and engaging but specifically engineered to move the needle on key business metrics. This is a senior IC role for a designer who thrives in complexity and ambiguity, owns high-impact growth funnels end-to-end, and leads through influence, judgment, and data-informed product thinking.

You will act as a strategic partner from hypothesis generation and planning to execution and launch, helping to establish what growth excellence looks like for both the design organization and the wider business.

Responsibilities

Design Leadership Strategy Drive the Vision: Lead and drive the design vision for major growth surfaces (Acquisition, Activation, Retention), aligning closely with Product and Engineering leadership to influence product strategy and experimentation roadmaps. Drive 0→1 Growth Initiatives: Lead early-stage, ambiguous problem spaces by framing opportunities, defining foundational systems, and shaping first iterations of new conversion and monetization experiences. Strategic Influence: Serve as a trusted partner to executive stakeholders, advocating for best product practices and ensuring alignment with long-term business objectives.

Requirements

, user friction points, and funnel data into clear strategy and intuitive, elegant experiences. Deliver high-quality interaction designs, prototypes, and visual systems. Prototyping Validation: Lead the way with rapid experimentation and advanced tools to bring concepts to life, iterating and validating solutions through A/B testing, quantitative data, and user feedback.

Collaboration Practice Building Cross-Functional Alignment: Partner across EPD, Data Science, and Marketing to ensure design decisions are technically feasible, measurably impactful, and strategically aligned. Elevate Design and Product Maturity: Partner with Design and Product leadership to establish experimentation frameworks, standards, and documentation that mature the growth design practice. Communication Storytelling: Articulate design decisions and narratives clearly to stakeholders at all levels, creating alignment and driving accountability through the lens of business impact.

Mentorship Culture Level-up the practice: Mentor and coach designers across all levels, providing guidance on product strategy, craft excellence, and professional growth.