Principal, Product Designer

Herbalife•Torrance, CA

About The Position

We are seeking a Principal, Product Design to lead end-to-end product design across Herbalife’s core digital platforms used by millions of distributors and customers globally. This is a senior individual contributor role responsible for shaping the experience vision, raising the bar for UX and UI quality, and partnering closely with Product Management and Engineering to deliver intuitive, scalable, high-quality digital experiences. This role will play a key part in strengthening Herbalife’s internal product design capability and establishing a higher standard of design craft, systems thinking, and cross-functional collaboration. The ideal candidate brings deep expertise in product design, interaction design, and design systems, along with fluency in modern AI-enabled workflows. They know how to use AI to accelerate ideation and prototyping, apply strong judgment when AI-generated output is not production-ready, and operate effectively in evolving design-to-code workflows that increasingly blur the boundary between design and engineering.

Requirements

7-10 years of experience in product design
Strong end-to-end UX and UI expertise
Experience designing complex, data-rich applications
Consistent track record to independently own large product surfaces
Experience working with and extending design systems
Tight-knit collaboration and communication skills
Strong experience designing mobile-first digital products across mobile and desktop
Working knowledge of AI tools for design and creative tasks, such as Figma AI features (including First Draft and Make), v0, Lovable, Midjourney, or similar tools that support ideation, prototyping, content generation, and creative exploration
Demonstrated ability to use AI to accelerate ideation and prototyping while maintaining strong standards for user experience, brand alignment, and quality

Responsibilities

Own end-to-end UX and UI design for a core digital platform, from concept through launch and iteration
Turn complex business goals, user needs, and technical constraints into intuitive, scalable product experiences
Design key user journeys, workflows, dashboards, and onboarding experiences across web and mobile surfaces
Partner closely with Product Management to shape problem definitions, requirements, priorities, and experience direction
Collaborate with Engineering to drive high-quality execution and make smart tradeoff decisions throughout delivery
Contribute to and evolve the design system to improve consistency, quality, and speed across products
Provide design leadership through critique, guidance, and mentorship, helping raise the bar for craft and product thinking across the team
Validate solutions through research, usability testing, data, and iteration to improve experience quality and business outcomes
Use AI-enabled workflows to accelerate ideation, concept exploration, prototyping, and the creation of live code prototypes, while applying strong judgment to assess quality, usability, feasibility, and production readiness
Push design-to-code collaboration forward through strong handoff practices, responsive design discipline, and fluency with modern workflows such as Dev Mode and emerging AI-assisted development patterns