AG O'Donnell
Senior Data Engineer
Builder of reproducible data systems that support large-scale analytics, reporting pipelines, and research operations.
Skills Snapshot
- Languages: SQL, Python, SAS, R
- Platforms & Tools: Snowflake, Databricks, Git, Tableau
- Modeling & QC: ARIMA, z-Score anomaly detection, predictive systems
- Workflow Design: Scalable ETL automation, reproducible pipelines, agile collaboration
- Domains: Data integration, longitudinal analysis, risk mitigation
Recent Focus: Senior Data Engineer
- Maintain and scale ML pipelines and reproducible datasets
- Develop systems for monthly file generation, QC, and exploratory analysis
- Collaborate in agile teams to support feature derivation and metric design
Background: Analytics
- Designed SQL, Python, and SAS pipelines to extract, clean, and validate data
- Built anomaly detection logic using statistical techniques such as z-Score and ARIMA modeling
- Developed reusable scripts to streamline monthly and annual deliverables
- Maintained transformation routines and quality checks for high-volume datasets
- Adapted workflows to evolving user needs through cross-functional collaboration
Foundational Roles: Business Advisor / Vice President – International Financial Services
- Evaluated and enacted solutions for offshore investment and credit enhancement
- Advised on cross-border operations and capital structure improvements
- Interfaced with internal analysts to shape data-informed client reports and financial presentations
Education
- M.S., Data Science – Northwestern University
- B.B.A., Finance – University of Texas at Austin
Languages
- Spanish: Near-fluent; comfortable in professional and technical conversations
- German: Basic reading and conversational familiarity
- French: Basic reading and conversational familiarity
Additional Qualifications
- Background in regulated financial advising (Series 7/66 and insurance; licenses inactive)
- Interest and foundational knowledge in UAV operations (FAA Part 107; not currently active)