Business Data Analyst
• Created a streamlined process and data pipeline to combine external and internal data sources, improving the efficiency of Source of Acquisition reporting and enabling weekly updates for stakeholders to guide marketing efforts.• Partnered with the data engineering team to rectify a critical data issue in the clickstream data pipeline, successfully identifying and resolving a bug that enhanced customer segmentation accuracy from 30% to 80%.• Collaborated with the AI team to create a new tax prep product that streamlined tax completion from multiple sessions to under 10 minutes resulting in the fastest TurboTax filing time of 3 minutes.• Expanded and cleaned training datasets for AI team using external ecosystem data, utilizing metrics like correlation and feature importance for optimization.• Conducted comprehensive training, testing, and evaluation of tax models with various feature subsets to achieve optimal performance metrics.Developed and maintained automated data workflows and dashboards to measure metrics such as prediction accuracy, opt-out rate, abandonment, funnel metrics, disqualification, opt-in rate, success rate, and SKU conversion using Tableau dashboards.