Sr. Product Manager, Ad Marketplace

At eBay, we're more than a global ecommerce leader — we’re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We’re committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work — every day. We're in this together, sustaining the future of our customers, our company, and our planet.

Join a team of passionate thinkers, innovators, and dreamers — and help us connect people and build communities to create economic opportunity for all.

About the team and the role:

At eBay, we have established one of the largest Ad marketplaces in ecommerce, and one of the fastest-growing businesses within the company. We are on a mission to help sellers and brands of all sizes use advertising to drive significant impact for their businesses. We are accomplishing this by building one of the most innovative ad marketplaces in the world.

As the Senior Product Manager, Ad Marketplace, you will lead core serving and marketplace tools. You will be responsible for essential systems that cover ad serving, bidding, targeting, and auction dynamics. You will ensure they are outstanding and deliver quick results for advertisers. You will guarantee advertiser budgets are spent efficiently on and off eBay to demonstrate maximum value. You will innovate within billion-dollar products by investing in new promising directions. You will accomplish this by bringing to bear traditional and generative AI to build major improvements in product capabilities. You will grow your product portfolio through continuous focus on growth and impact.

This role is ideal for a product manager ready to push the frontiers of ad tech. They must have the hunger and perseverance to make a sizable impact on our sellers, buyers, and eBay’s bottom line.

What you will accomplish:

• Lead the roadmap for ad serving capabilities, auction mechanics, and core marketplace infrastructure

• Lead the approach to the core ad stack, encompassing bidding algorithms, budget management, targeting, and goal-based optimization tools such as Target ROAS

• Champion innovation in AI, generative models, automation, and intelligent defaults to transform the advertiser journey

• Partner closely with commercial and finance teams to align technical roadmaps with overarching business strategy

• Implement relentlessly on product requirements with engineering and analytics teams

• Leverage AI/ML to optimize core ad serving, improving incremental sales velocity, advertiser ROAS, and budget utilization

• Cultivate a culture of progress based on careful experimentation, A/B testing, and detailed data analysis

• Align closely with executive leaders across Product, Engineering, Commercial, Finance, and Legal

What you will bring:

• 7-9 years of experience in technology product management, with 3–5 years of dedicated experience in digital advertising

• In-depth understanding of key advertising technology, especially ad delivery infrastructure, auction processes, and central ad stack frameworks in marketplaces, e-commerce, or high-volume consumer platforms

• Strong technical proficiency with a validated ability to understand how brand new backend systems advance product metrics

• Deep analytical capability with a data-first approach and outstanding experimentation chops

• Hands-on experience developing products powered by artificial intelligence, including direct exposure to generative AI technology and deep learning models

• Outstanding storytelling and collaboration skills, with the ability to influence senior collaborators and cross-functional partners

Additional Details

This job posting relates to an existing vacancy within eBay.

eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at talent@ebay.com. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility.

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