Selected work.

Solo-built products and open-source work. Two run in production on AWS, the rest lives on GitHub.

ScalableWealth

A solo-built, institutional grade portfolio management platform with full performance, risk and attribution analytics, plus guardrailed and deterministic LLM integration. Running in production on AWS.

Portfolio managementRiskLLMAWS

Rob's Wine

A WSET-aligned wine variety dataset, admin portal and consumer taste profiler, built to support a Master of Wine's wine school. Research-grounded calibration anchors, LLM-assisted profile generation, blind-tasting drills and a personal tasting log.

WineDataLLMAWS

K2 Market Data Platform

A production cryptocurrency market data lakehouse for quantitative research, compliance and analytics. Ingests live trades from three crypto exchanges via custom feed handlers, stores 33M+ rows across Redpanda, ClickHouse (warm) and Iceberg (cold), and serves sub-second analytical queries.

Market dataStreamingClickHouseIceberg

Sailflow

A free, browser-based rig-tune and sail-trim trainer for the J/70. No backend, no account, and it works offline on a phone after the first visit.

SailingPWAOpen source

Constellate

Three knowledge planes (embedded, unified, composed) behind one retrieval contract, benchmarked head-to-head on MovieLens ml-25m. Relational, vector and graph fusion, an MCP context plane with dual LLM drivers, and a React explorer.

RetrievalKnowledge graphsMCPOpen source

Astro (data framework)

An open-source framework for making enterprise data safely usable by humans, applications and AI agents. Not to be confused with the web framework of the same name.

Data platformAI agentsOpen source