What I've built.

Data and AI projects from the last ten years, in banking, fintech, healthcare, mining and more. Open any of them to see how it was put together.

Featured

Open source 2026

AI washing or credible disclosure?

Finance · Research & NLP

How S&P 500 companies talk about AI in their SEC filings, across 1.5 million paragraphs.

Python · Polars · DuckDB · LLMs

Proprietary 2024 – 2026

Data and ML platform for an optical distributor

Optical retail · Data engineering & ML

With Owl Tech Labs · founding partner

Billing and catalogs from several suppliers in one data model, used to recommend in-house products.

Dagster · dbt · Python · LLMs

Proprietary 2025 – 2026

MLOps platform for solar generation forecasting

Solar energy · Orchestration & MLOps platform

With Owl Tech Labs · founding partner

Per-inverter production forecasts on an S3 lakehouse and Kubernetes, with 31% lower error than the physics baseline.

Dagster · MLflow · AWS EKS · Terraform

Archive

Proprietary 2018 – 2019

DataX: tax data for a Big Four firm

Tax and compliance · Data product & scraping

With ML Soluciones Informáticas · founding partner