Founding Product Marketing Manager

Plain is redefining customer support for the next generation of B2B companies. We're building the fastest, most powerful platform to help companies move beyond reactive support and build true customer relationships. Some of the world's most forward-thinking companies, like Cursor, Ashby, and Sanity, trust Plain to unify all customer interactions, enable faster team collaboration, and supercharge their workflows with AI. We're a small, tight-knit crew with offices in SF and London. This role is hybrid – 3 days a week in our SF office. We tend to start our days earlier (think 7:30/8 AM PT) so we get real-time overlap with our colleagues in Europe. WHY THIS ROLE IS SPECIAL You'll be Plain's founding PMM at a moment when the category is wide open. The product is proven, the customers are here – and when people discover Plain, they love it. Now we need more of the right people to discover it. WHAT YOU’LL DO Plain has product-market fit, a roster of standout customers, and a category