Live
Crypto grid-trading rating engine. Scores strategies by volatility regime using fuzzy logic. The most technically complex thing I've built — production SvelteKit, real-time data, walk-forward backtesting engine.
Made things
Apps
A mix of serious tools and lighter experiments. Each one taught me something about users, platforms, or my own assumptions.
Live
QR-scan discovery game for beer festivals. Production SvelteKit on Cloudflare Pages, Supabase/Postgres with row-level security and trigger-enforced rules, Stripe billing, sales-rep commission tracking, and a platform-admin console. Completed, shipped and deployed.
Live
Execution intelligence for AI agents and automated trading, checking whether now is the right moment to act. Cloudflare Workers, multi-venue market-data failover, Postgres-enforced API metering. Completed, shipped and deployed.
Archived
Bar and brewery finder app. One of the earlier location-aware apps in the App Store. Simple premise, surprising complexity in the data hygiene. (Unrelated to the later beerzap.com festival app above.)
Archived
Outdoor adventure tracking app for families. Built to get kids outside and moving — GPS tracking, trail discovery, achievement badges.
Archived
Reference app for reflexology practitioners. Clean anatomy diagrams, session notes, client management. An exercise in disciplined information design for a niche audience.
This list covers the publicly facing products. There are internal tools, research harnesses, and half-finished experiments that don't make the cut — every developer has a drawer full of those.