Sr. Manager, Product Marketing

About Poshmark Poshmark is the leading fashion marketplace where style comes alive through discovery, self-expression, and human connection. Powered by a vibrant community of 165 million members, Poshmark brings real people and taste to shopping through a social experience shaped by shared discovery. Buying and selling fashion feels simple, joyful, and personal, while every item tells its own story. Poshmark empowers sellers to grow meaningful businesses, keeps fashion in circulation longer, and gives shoppers access to unique and trusted finds, from everyday pieces to one-of-a-kind vintage and luxury. About the Role Poshmark is seeking a strategic and execution-oriented Sr. Manager, Product Marketing to lead go-to-market initiatives and lifecycle marketing programs that drive customer growth, engagement, and retention across the marketplace. This role sits at the intersection of Product, Growth, Creative, and Community, translating platform capabilities into clear, compelling customer value propositions and customer experiences. The Sr. Product Marketing Manager will own the launch strategy and communications for new features and platform updates, while also developing lifecycle strategies that support customers from onboarding through long-term engagement and success. We're looking for a Sr. Product Marketing Manager who has done real PMM work: building positioning from the ground up, running end-to-end launches, designing lifecycle programs that change behavior, and generating insights that help shape the product roadmap. You'll own customer GTM and lifecycle strategy, partner closely with Product, CRM, and Growth, and help raise the bar for how this team operates. The ideal candidate combines strong product marketing fundamentals with growth thinking, customer empathy, and exceptional communication skills. This individual deeply understands buyer and customer motivations and marketplace dynamics and knows how to create messaging, education, and lifecycle program