Written PRDs, BRDs, and end-to-end user journeys across storefront creation, catalog management, checkout, and payments. Prioritized roadmap items using user research, competitive analysis, and merchant feedback, reducing feature rework and increasing adoption. Combined insights from metrics like funnels, drop-offs, and heatmaps with user research to drive improvements in catalog structure, pricing logic, and checkout UX. Partnered closely with engineering during sprints to clarify scope, drove delivery, and validated solutions early. Built product and business dashboards using BigQuery and Looker/Data Studio, facilitating data-driven decision making. Shipped a commerce engine that minimized merchant setup effort and enabled faster online store launches.