Senior Product Designer

The Fluent Design System team is redefining Microsoft 365’s design system for the AI era. As M365 Copilot evolves into a rich, multimodal productivity platform, Fluent is transforming from traditional design systems into an adaptive, model-aware design foundations—one that blends GUI precision with generative, context-aware behaviors at scale. As a Senior Product Designer, you'll help shape the future of how AI-native experiences are designed, built, and sustained at an ecosystem-level. This role sits at the intersection of design, engineering, and emerging AI systems, with direct influence over the patterns, primitives, and architectural decisions that power M365 Copilot and the broader Microsoft ecosystem.