Manager, Product Marketing

About the Company

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.

Responsibilities

• Lead end-to-end GTM for seller-facing features including positioning, messaging, and channel strategy
• Design, optimize, and scale seller lifecycle programs across onboarding, activation, and retention stages
• Develop and maintain seller-facing messaging frameworks and value propositions
• Act as the internal authority on seller motivations and behaviors using qualitative research and data
• Partner cross-functionally with Product, Creative, CRM, and Growth teams to drive business targets
• Monitor the competitive landscape for seller tools and translate findings into strategic recommendations

Requirements

• 5–8 years of experience in Product Marketing, Product Management, or Lifecycle Marketing
• Proven track record leading GTM initiatives and lifecycle programs in consumer apps, marketplaces, or e-commerce
• Experience marketing to seller, creator, or supply-side communities
• Deep familiarity with lifecycle channels such as email, push, and in-app messaging
• Exceptional writing skills for positioning docs, seller-facing copy, and internal briefs
• Ability to develop strategic points of view from ambiguous inputs

Preferred Qualifications

• Background in resale, fashion, or peer-to-peer marketplace businesses
• Hands-on experience with Klaviyo or comparable lifecycle platforms
• Familiarity with seller education or community-led growth strategies
• Prior experience managing or formally mentoring PMMs