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ericg1212/README.md

Eric Grynspan  ·  Data Engineer

Data Engineer | Financial Services & Healthcare | Python · SQL · Airflow · AWS | Regulated Data Systems

8+ years building production data pipelines and cloud infrastructure across financial services, healthcare, and enterprise technology. Core focus: audit-ready, regulated data systems — validated by automated testing, governed end-to-end, and built to production standard.


Featured Project  ·  The AI Integration Premium

Proved a +111.5% Sharpe ratio premium for proprietary AI builders over third-party integrators
(Spearman ρ = +0.800) across 10 major tech stocks — surfaced in an interactive Power BI dashboard.

Pipelines 5 production Airflow DAGs — stocks, SEC EDGAR 10-K, FRED macro, crypto, weather
Storage Hive-partitioned S3 data lake · Parquet/Snappy · Glue catalog · serverless Athena
Quality 163 pytest unit tests · moto AWS mocking · GitHub Actions CI/CD
IaC End-to-end Terraform

Stack

Python SQL Apache Airflow AWS Docker Terraform Power BI GitHub Actions PostgreSQL pandas pytest


Connect

LinkedIn   Portfolio

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  1. data-engineering-portfolio data-engineering-portfolio Public

    Proprietary AI earns +111.5% higher Sharpe ratios than partnership AI. 5 Airflow pipelines (stocks, SEC EDGAR, FRED, crypto, weather) → AWS S3/Athena → Power BI. 163 pytest tests, Terraform IaC.

    Python 1