Data Engineering & Product

Christian Casazza

I build data products.

github.com/christiancasazza

Things I've built

QueryStation table browser showing New York City housing datasets

QueryStation

215 tables · 507M rows

A searchable data lake of NYC, New York State, and NFL open data. Browse documented tables, then open a SQL sheet and query them right in the browser. No dashboards, just data.

DuckDB-WASMArrowReact
querystation.app
NFL Fantasy Hub leaderboard of fantasy points by position

NFL Fantasy Hub

2012–2026 · PPR

Fantasy football decisions in one place: leader walls, your ESPN roster and league, lineup planner, waiver wire, and a trade analyzer, all built on nflverse data.

nflverseParquetDuckDB-WASM
Open app
Mercury Analytics vendor dashboard showing spend by month and category

Mercury Analytics

Spend · Cash · Chat

Analytics for your Mercury bank account: vendors, recurring spend, price increases, and cash flow, plus a chat to ask questions about your transactions.

DuckDB-WASMReactClaude
Open app