Senior Product Designer

Senior Product Designer$170,000 - $220,000 + Equity + Benefits + Relocation Assistance + PTOSan Francisco, CA - On-site Are you an experienced Product Designer looking to join a very promising startup in an environment with little bureaucracy and fast iteration? Do you want to help shape the core design experience of an AI assistant that is genuinely changing how people manage their working lives?This is an exciting opportunity to join a fast-growing Series B AI startup backed by top-tier investors. The team is building the world's most powerful AI executive assistant "” a proactive, iMessage-native assistant that manages inboxes, preps meetings, handles scheduling, and takes action across email, calendar, Slack, and 100+ other tools before users even have to ask.As the Senior Product Designer, you'll work directly with the founder to craft and refine the core assistant experience "” from micro-interactions to end-to-end visual language. You'll lead user research, run usability testing, and iterate on designs until they're right. The team runs lean by design, which means you'll have considerable autonomy, make real decisions, and see the direct impact of your work in the product.This is a high-impact, hands-on role perfect for designers who are opinionated and collaborative, delight in ownership, and want to build a product that folds seamlessly into how people live and work.The RoleWork directly with the founder and product and engineering teamsDefine, prototype, design, and iterate on the product experience "” from micro-interactions to end-to-end visual languageLead user research and usability testing to understand users and the problems to be solvedCollaborate with engineers to navigate trade-offs and help build a world-class productWork in person 4 days a week from the San Francisco officeThe Person3+ years of experience as a product designerAbility to navigate a fast-paced, high-ownership startup environmentExceptional written and oral communication skillsAbility to work independently with strong attention to detailFamiliarity with web technologies "” JS, HTML, CSS, or React (nice to have)Visual design and branding experience

Created: 2026-05-10