# Gary Casey

> Data Science & Engineering

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/garycasey

Gary is a data engineer and data scientist specializing in ETL pipelines and integrations.

## Work Experience
### Software Engineer @ Byrne Software Technologies, Inc.
Jan 2024 – Present | United States

### Data Engineer @ Enstoa
Jan 2023 – Jan 2024 | New York, New York, United States
•	Scripted transformation logic in Python for Oracle Primavera Unifier integrations at Meta. 
•	Exercised Git version control on a DevOps team. 
•	Monitored output logs for pipeline failures and published diffs. 
•	Authored the as-built documentation of twelve full-stack ETL pipelines. 
•	Transformed API responses into a DataFrame and then nested JSON objects for REST API client call. 
•	Prepared design documents and SIT (system integration testing) scripts.
•	Managed a database of around 100 integrated tables and views in Oracle SQL.

### Business Intelligence Developer @ Enstoa
Jan 2022 – Jan 2023 | New York, New York, United States
• Designed, developed, and tested ETL pipeline integrations between Smartsheet and Yale New Haven Health's backend tables, utilizing the REST API, stored procedures, and pivot queries.

### Data Engineer @ Aretove Technologies
Jan 2022 – Jan 2022 | New York, New York, United States
•	Investigated TommyJohn’s open orders in a PostgreSQL database with DBeaver. 
•	Managed the migration of Dell Boomi integrations from BigCommece to Shopify e-commerce platform on Jira. 
•	Identified pipeline failures due to delimiting commas, two-letter state abbreviations, and out-of-stock merchandise. 
•	Performed data cleaning of around 500 daily line items in production environment.
•	Architected the warehouse fulfillment center, e-commerce, and NetSuite ERP flat-file integrations running Ruby on Rails scripts.


## Education
### Master of Science - MS in Data Science
The University of Texas at Austin

### Bachelor of Science - BS in Applied Mathematics
Columbia University

### Bachelor of Arts - BA in Physics
Austin College


## Contact & Social
- LinkedIn: https://linkedin.com/in/garycasey42

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Source: https://flows.cv/garycasey
JSON Resume: https://flows.cv/garycasey/resume.json
Last updated: 2026-04-01