Louise de Leyritz Louise de Leyritz

I write about data and AI.

I'm a solutions engineer at Snowflake. I build things on top of it and write up how it actually went, with the real SQL.

Things I've built

Architecture diagram: a Cortex Agent inside a Snowflake boundary joins the numbers, via a semantic view over the client tables, and the notes, via Cortex Search, and only a Jira ticket leaves Snowflake.

July 22, 2026

I built an AI analyst over the numbers and the notes

I built an AI analyst that answers questions about an asset manager in plain English, joins the portfolio numbers with the research notes, and opens a Jira ticket when it spots a compliance breach.
The Guest Portrait app: Elena, a VIC guest seen across three properties, with lifetime spend, nights, average rate and her upgrade responsiveness.

July 1, 2026

I built a guest 360 from Salesforce and MongoDB in an afternoon

In one afternoon I pulled guest data out of Salesforce and MongoDB, built a pipeline that cleans and refreshes itself with dynamic tables, and had Cortex Code build a React app on top. Here is what I built and the Snowflake features it took.
A sample vendor invoice with vendor name, invoice number, dates, line items, and total due.

June 24, 2026

I built an invoice processing pipeline in 30 minutes

I built a pipeline that reads a pile of invoice PDFs and turns them into a queryable table, in plain SQL, in about 30 minutes.