Senior Growth Product Manager

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. Poshmark is seeking a Senior Growth Product Manager to drive high-impact, data-informed growth across the marketplace. This role will initially focus on new user onboarding and early lifecycle experiences, with the opportunity to expand into broader growth opportunities over time, including engagement, retention, and monetization. This role is for a builder who thrives in ambiguity, brings strong analytical rigor, and takes full ownership of outcomes from problem definition through execution.

Responsibilities

Own and improve key growth funnels across the user lifecycle, with an initial focus on new user onboarding and early activation for buyers and sellers; Identify and prioritize high-impact growth opportunities using quantitative analysis, user research, and experimentation; Lead a high-velocity experimentation program across onboarding, discovery, engagement, and retention surfaces; Design and analyze experiments with strong statistical rigor, and translate results into clear product decisions and roadmap direction; Conduct and synthesize user research to understand motivations, behaviors, and drop-off drivers across the funnel; Apply principles of customer psychology, habit formation, and behavioral economics to inform product design and optimization; Define and maintain core growth metrics, dashboards, and KPI frameworks to ensure visibility and alignment across teams; Partner closely with design, engineering, data, and marketing to deliver high-quality, scalable growth initiatives; Communicate strategy, insights, and trade-offs clearly to senior leadership with a focus on business impact; Communicate roadmap strategy, experiment results, and investment trade-offs to senior leadership with precise business impact framing, clear assumptions, and well-reasoned recommendations.

Requirements

6–10 years of experience in product management, with a significant portion dedicated to growth-specific functions.; Proven track record of driving product-led growth in a consumer or marketplace environment; Strong analytical skills with experience in experimentation, funnel analysis, and data-driven decision making; Ability to operate across a wide range of problem spaces, from onboarding to retention and beyond; Experience applying user research and behavioral insights to product design; Excellent communication skills with the ability to influence cross-functional stakeholders and senior leadership; High ownership mindset with the ability to operate effectively in ambiguous, fast-paced environments