Founding Product Designer

About SimpleSimple AI is building state-of-the-art voice AI agents for enterprise. Our realistic agents help iconic businesses like Doordash, xAI, and Omaha Steaks handle all kinds of phone operations, from customer support to order intake to lead qualification. We’re growing revenue like crazy and looking to bring on a founding product designer to help shape the future of our product as we scale rapidly. We are very excited about the potential for AI to change the world, and work out of our SF office 5 days a week.Simple AI raised $14M from world-class investors and operators like Y Combinator, First Harmonic, Massive Tech Ventures, Michael Seibel, Jared Friedman, Alexandr Wang, Matt Van Horn, Suhail Doshi, and Scott Wu. The TeamThe founders (Catheryn and Zach) met while running software teams at YC, where they shipped tons of new products for YC founders, including YC’s co-founder matching site. Cat previously worked at Instagram and Facebook and earned degrees in math and computer science at MIT. Zach previously studied computer science and statistics at UChicago and led software at PEAK6. What We OfferCompetitive salary & meaningful equityEmployee-friendly equity termsAn office located in SFHealth, dental & vision insuranceFree lunch & dinner at the officeCommute AssistanceRegular team events & offsites What You'll Need4+ years of relevant product design experience.A strong portfolio demonstrating excellent product thinking and polished interaction + visual design.Experience designing complex products, workflows, or tools.A customer-first mindset with exceptional communication skills.Ability to operate independently in a fast-moving, ambiguous environment.Curiosity and excitement about AI and the future of human-AI interaction. Nice To HaveExperience at an early-stage startup or in a founding/first designer role.Experience designing technical, AI, or B2B products.Strong UX research skills (qualitative, customer interviews, rapid prototyping).Comfort with basic front-end concepts or collaborating closely with engineers.Interest in the design challenges around conversational AI, speech UX, or agent-driven interfaces. If you’re excited to define the future of voice AI and want to have massive ownership in an early-stage startup, we’d love to chat.