Poshmark The Merchant at Poshmark leads category performance management across multiple categories by analyzing supply and demand and shaping merchandising actions. This role partners cross-functionally to optimize inventory and drive demand.
Responsibilities
Own category performance end to end
This role sits at the center of two key workstreams: shaping what supply comes onto the platform before demand catches up to it, and deploying the supply we already have against the right seasonal story at the right moment. Categories are built utilizing both levers continuously in response to real time data tracking.
Turn market movement into action
Track sell-through, trend velocity, search behavior, and category liquidity closely enough to catch what is building and conversely, what is downtrending. Turn that read into merchandising calls and recommendations the rest of the org can act on.
Develop an always-on supply demand mindset
Break inventory health down by category, brand, and price point to see where supply is too thin to meet demand, and where depth exists but isn't converting.
Then work both angles: pull demand levers against the inventory we already hold, and push the supply team to acquire what we don't. This is the core skill the role is built around — not just diagnosing the imbalance, but developing and honing levers to address it.
Get product in front of the right audience at the right time
Partnering with product and engineering you create usable data frameworks for making product and assortment decisions — shaping feed ranking, search, PDPs, and editorial placement, not just the homepage carousel. The goal is influence embedded throughout the experience, wherever it moves the category forward.
Set the category's seasonal messaging cadence
Work with merchandising, marketing, product and data teams plan seasonal pushes, trend moments, and promotional windows in step with growth marketing, paid media, and supply. Every seasonal moment should be a chance to activate existing inventory and influence and highlight where future supply needs are.
Oversee all categories - Womens and Mens/Kids
Qualification
Commercial InstinctStrong feel for productBackground in retailAnalytical FluencyConfident reading dashboardsAble to build and present a clearCross-functional InfluenceExperienced working across productResale or secondhand market experienceFashion or apparel category backgroundExperience in a two-sided marketplace5–8 years in merchandising
Required
Commercial Instinct
Strong feel for product, trend, and consumer behavior — what people want and why
Comfortable making recommendations with incomplete information
Background in retail, marketplace, or e-commerce merchandising
Analytical Fluency
Confident reading dashboards, sell-through reports, and performance data
Knows which metrics matter and can spot meaningful patterns in noisy data
Able to build and present a clear, data-grounded business case
Cross-functional Influence
Experienced working across product, growth, and supply teams
Can translate merchandising priorities into language that resonates with each team
Builds trust and alignment without relying on authority
Preferred
Resale or secondhand market experience
Fashion or apparel category background
Experience in a two-sided marketplace
Familiarity with feed ranking or search merchandising
Exposure to demand forecasting or inventory planning tools
5–8 years in merchandising, buying, or category management, ideally within a consumer marketplace, e-commerce platform, or multi-category retailer. Experience managing at least one direct report is preferred, but will consider strong individual contributors who are ready to step into a people management role for the first time.
