Own analytics implementation and data integration for B2B ecommerce clients. Build GA4 and Google Tag Manager implementations, marketing pixels, conversion APIs, product feeds, BigQuery data models, and Looker Studio dashboards. Reconcile analytics, advertising, ecommerce, and ERP data; audit tracking issues; support CRO and experimentation; and translate findings into actionable recommendations for clients and leadership. Collaborate with developers, marketers, merchandisers, and other stakeholders while maintaining accurate, privacy-compliant measurement.