Senior Product Designer - Visual Design Focus

The Senior Product Designer will lead the translation of strategic ideas into polished, high-impact product experiences that balance user needs, brand expression, and technical feasibility. They will strengthen and evolve Firefox’s visual and interaction design systems, ensuring consistency and excellence across platforms. Responsibilities include delivering production-ready assets and specs, following work through implementation and release, measuring success, and learning in partnership with a cross-functional team. The designer will be an active UX team member by proposing new ideas, sharing work early and often, and giving constructive feedback. They will also run usability tests of design prototypes and use existing research and data to surface insights, advocating for and incorporating best practices for inclusive design.