Senior Product Manager, B2B (Buyer and Seller Tech)

Fanatics Collectibles • Los Angeles, CA

2d

About The Position

Fanatics Collect is a marketplace for trading cards and collectibles. A growing share of its supply and demand comes from businesses, including hobby shops listing large inventories, dealers managing cards for collectors, and breakers buying in volume. The Senior Product Manager will build the B2B side of the marketplace, developing tools, agentic APIs, and partner integrations that help professional sellers and buyers do business at scale.

The role owns products and capabilities for high-volume sellers and buyers, agentic commerce, partner integrations across the Fanatics ecosystem, and automated marketplace operations. The Senior Product Manager will set success metrics and priorities and work cross-functionally with design, engineering, Commerce, Finance, Operations, and Sales to deliver products.

Requirements

• At least 5 years of product management experience, including marketplace or commerce products.
• Experience with platform or API products or partner integrations.
• Comfort with technical tradeoffs and working closely with engineers.
• Track record of taking a new, ambiguous area from problem definition through to a shipped product.
• Data fluency, including setting metrics, interpreting data, and making decisions.
• Comfort working in a fast-moving, cross-functional organization.
• Builds with AI every day for tasks such as prototyping, analysis, and specifications, and looks for ways AI can reshape products.

Responsibilities

• Build tools for high-volume sellers to list, price, manage, and fulfill inventory at scale, along with analytics to help sellers optimize their businesses.
• Develop bulk-buying capabilities and API access for volume buyers, including automated purchasing against predefined criteria.
• Make Fanatics Collect a marketplace for AI agents by developing agent-ready APIs, integrations with AI assistants, and on-site agentic buying and selling experiences.
• Build integrations across the Fanatics ecosystem to provide sellers with additional distribution channels and reach more sports fans.
• Develop automated solutions for operations at scale, including onboarding hobby shops and enforcing quality controls.
• Set success metrics and priorities, and partner with design, engineering, Commerce, Finance, Operations, and Sales to ship products.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed