| Project | Description | Stack |
|---|---|---|
| 🔥 SparkFlow Delta Pipeline | Fraud detection at 100M+ records. Medallion architecture (Bronze→Silver→Gold). Full CI/CD. | PySpark · Delta Lake · Docker · GitHub Actions |
| 📈 Markowitz Portfolio Optimizer | Four optimization methods incl. Black-Litterman. Dark-themed Streamlit dashboard. | Python · yfinance · Streamlit · Docker |
| 👁️ YOLOv8 Object Detection Pipeline | Real-time detection on COCO128. Full reproducibility. Professional CI/CD pipeline. | YOLOv8 · Python · Google Colab · GitHub Actions |
Python ████████████████████░░░ 90% Core language — pipelines, ML, APIs
SQL ████████████████████░░░ 85% PostgreSQL, analytical queries, DWH
PySpark ████████████████░░░░░░░ 70% Distributed processing at scale
Bash/Shell ███████████████░░░░░░░░ 65% Automation, CI/CD scripting
R █████████████░░░░░░░░░░ 55% Statistical modeling, Johns Hopkins
YAML/Docker ████████████░░░░░░░░░░░ 52% Container orchestration, pipelines
C++ ████████░░░░░░░░░░░░░░░ 35% Foundations, algorithms
JavaScript ██████░░░░░░░░░░░░░░░░░ 25% Dashboard interactivity
"Discipline doesn't wait for the right conditions.
Neither does good engineering."
— S. D. Pinzón Zambrano
The military taught me to execute under pressure. Data engineering taught me that systems either hold — or they don't. I build systems that hold.