Product Designer - Agent-First UX & Design Systems

Silmaril in San Francisco seeks a senior product designer to shape how people understand, trust, and interact with autonomous agents. You will lead product strategy, UX, UI, and brand, partnering with founders and engineers from research through prototype, production, and iteration. You will own design systems, typography, layout, and interaction details, ensuring an agent-first experience that is clear, usable, and delightful.