David Naranjo Ramírez

Strongest in SQL & PostgreSQL (dimensional modeling, analytics) and Python (pandas). Solid base in JavaScript, Java, HTML/CSS. T-shaped: data engineering depth, web development breadth.

Deepening dimensional modeling & data warehousing with PostgreSQL, advanced SQL analytics, and Python for data engineering (pandas, ETL pipelines) — alongside full-stack web development.

Olist E-commerce Data Warehouse: full star-schema dimensional model over the Brazilian Olist dataset — ETL, fact/dimension design & analytical queries with PostgreSQL + DBeaver.

Open to junior Data Engineer / Data Analyst / Web Developer roles & internships. Happy to talk SQL, star schemas, PostgreSQL, or portfolio projects — and to collaborate on open data projects.