Jan 2019 — Present
Senior Data Scientist
ComScore
- Maintained an Isolation Forest anomaly detection system in Python to identify anomalous traffic and potential fraud,
- implemented automated alerting and investigative dashboards which enabled triage teams to reduce investigation
- time by 20% while improving detection precision.
- Managed end-to-end delivery of a Python and Snowflake data product with CI/CD workflows, producing
- standardized telemetry views and playbook-aligned reports that enabled consistent incident review across 10+
- teams and improved cross-team resolution consistency.
- Operationalized an XGBoost-based risk scoring model into production to prioritize high-risk events, mapped scoring
- outputs into ticketing priorities and helped shift resources to higher impact investigations, contributing to a 20%
- improvement in resource allocation efficiency.
- Built PySpark and SQL pipelines to process billions of web-log records daily, standardized event schemas for
- downstream log analysis and SIEM ingestion, automated nightly validations and reduced data delivery lag to same-
- day availability for triage and alerting.