Granum seeks a Senior Product Designer to shape design practice and build agentic, AI-assisted experiences for its SaaS platform serving landscapers and arborists. Responsibilities include owning problems from framing to shipping, designing complex workflows for field and office users, prototyping with AI tools, contributing to the design system, and meeting customers. Required: 4+ years at a SaaS company, strong UX fundamentals, technical comfort with implementation tradeoffs, portfolio demonstrating outcome-driven work, proficiency in Figma, and hands-on experience with AI tools. Granum does not provide work authorization sponsorship.