Senior Product Manager, B2B (Buyer and Seller Tech)

About the company

Fanatics is building a leading global digital sports platform, igniting the passions of global sports fans and maximizing the presence and reach for hundreds of sports partners globally through Fanatics Commerce, Fanatics Collectibles, and Fanatics Betting & Gaming. The platform serves over 100 million global sports fans, partners with approximately 900 sports properties (including major leagues, players associations, teams, colleges, and retail partners), 2,500 athletes and celebrities, and 200 exclusive athletes, and operates over 2,000 retail locations including Lids stores. Fanatics Collectibles operates at the intersection of collectibles, culture, and technology, backed by world-class investors and sports & entertainment partners, leveraging a digital sports platform that spans over 900 sports properties and engages more than 81 million fans.

About the role

Fanatics Collect is a marketplace for trading cards and collectibles. A growing share of supply and demand comes from businesses: hobby shops listing thousands of items, dealers managing thousands of cards on behalf of collectors, and breakers buying in volume. This Senior Product Manager role owns the B2B side of the marketplace — building the tools, agentic APIs, and partner integrations that make Fanatics Collect the best place for professional sellers and buyers to do business at scale.

Responsibilities

• Pro Seller: tools for high-volume sellers to list, price, manage, and fulfill inventory at scale, with corresponding analytics to help them optimize their business.
• Pro Buyer: bulk buying and API access for volume buyers, including automated buying against predefined criteria.
• Agentic commerce: make Fanatics Collect the marketplace AI agents are built for, from agent-ready APIs and integrations with AI assistants to on-site agentic buying and selling experiences.
• Partner integrations: integrations across the Fanatics ecosystem to offer sellers more distribution channels and help them get their inventory in front of millions of sports fans.
• Operating at scale: build automated solutions for onboarding new hobby shops, enforcing quality controls, etc.
• Strategy and execution: set success metrics, priorities, and partner with design, engineering, Commerce, Finance, Ops, and Sales to ship.

Requirements

• 5+ years of product management experience, including marketplace or commerce products.
• Experience with platform or API products or partner integrations; comfortable with technical tradeoffs and working closely with engineers.
• Track record of taking a new, ambiguous area from problem definition to shipped product.
• Data fluent: sets metrics, reads the data, makes the call.
• Comfortable in a fast-moving, cross-functional organization.
• AI-first: builds with AI every day (prototyping, analysis, specs) and looks for where AI can reshape the product, not just speed up the work.

Pay

Los Angeles base salary range: $144,640 – $180,800 USD (base pay only; does not include short-term or long-term incentive compensation). Final compensation considers location, experience, qualifications, and training.

Benefits

For information about benefits, visit benefitsatfanatics.com.