Data Engineer at Amazon AWS

Building end-to-end data pipelines for the AWS Training and Certifications platform, from acquiring data across multiple services to transforming and loading into a data warehouse with real-time and batch processing for reporting, analytics, and data science. Manages Tableau server infrastructure using AWS CDK as infrastructure-as-code to support analytical users from dashboard development to publishing and viewing. Enables AWS Cloud learners by issuing Credly badges for completing AWS Training Courses and passing Certification Exams.

Senior Data Engineer at Aetna, Inc.

Led CVS Synergy data pipelines across CVS subsidiaries to leverage demographics data, improving accuracy of Members' contact information and expanding member outreach programs by 30%. Productionized Diabetes Transform ML model and Readmission Avoidance Statistical Model to support Care Management and reduce inpatient risk, contributing to substantial potential savings. Automated extraction, transformation, summarization, and loading of claims data across onboarded plan sponsors to support FSA reimbursements. Implemented incentives to reduce pregnancy-related medical expenses and directed campaigns to shift members from Retail to Mail delivery for medication refills.

Data Science Intern at WPA Opinion Research

Performed survey analytics for a political campaign; built a logistic regression model to classify likely vs. unlikely voters; mined issues important to constituents to inform a data-driven direct mail strategy; quantified campaign impact and improved winning chances by 3%.