• Design and build systems that sit at the heart of the new seller funnel. • Protect the funnel from fraud and abuse by developing and scaling systems for identity verification (IDV), fraud detection, and automated trust/risk reviews. • Balance growth with trust and safety to ensure successful selling experiences for new sellers while preventing bad actors. • Power accurate seller identification to route sellers to the right onboarding, incentive, and discovery paths. • Create scalable infrastructure with modular fraud prevention frameworks and experimentation platforms. • Drive long-term seller success by accelerating high-potential sellers early and containing low-quality sellers before they reach scale. • Ensure marketplace integrity while handling thousands of new sellers applying weekly.