**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.
Craft & Execution
* Complex Problem Solving: Translate business 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.
* Cultivate Excellence: Model exceptional design practice and foster a culture of continuous learning, curiosity, and high-quality execution.
#### Who you are
* Experience: 12 years of professional product design experience, with a proven track record of leading the design of product experiences with a hypothesis-driven, experimental, and metrics-driven approach to design.
* Mastery of Craft: Deep expertise in UX/UI design, interaction design, information architecture, and systems thinking.
* Prototyping Skills: Proficiency with modern design and prototyping tools
* Strategic Mindset: Demonstrated ability to navigate ambiguity, connect design decisions to commercial outcomes), and influence product roadmaps through data-driven insights.
* Leadership Presence: Exceptional communication and storytelling skills, with the confidence to influence at the executive level and drive alignment without formal authority.
* Education: Bachelor's degree in Design, Human-Computer Interaction (HCI), or a related field, or equivalent practical experience.