Work

Things I've built

Designed and built, mostly alone, from the engine to the launch.

  • 01Zenarios

    A household finance planner for iPhone and Mac: a month-by-month forecast, stress tests and taxes, all on the device.

    2025–2026Solo · engine, app, design, site, launch film

  • 02Signals

    Two tools that listen: a statistical trend detector for 37 subreddits, and live captions for talks in three languages.

    2026Solo · design and statistics, built with an agent workflow

  • 03PaperScores

    An AI reviewer that grades medical papers on six dimensions and anchors its findings to pages of the PDF.

    2025–2026Solo · scoring design, pipeline, harvester, web app

  • 04Origins

    A hand-rolled OIDC provider for a Minecraft community's legacy XenForo accounts, then Sequelize's maintainers team.

    2019–2021Solo on the LuminuNET web services · Sequelize maintainer

  • Lexicon Bluff

    A real-time party game for phones: one player holds a rare word's real definition, everyone else writes a fake.

    2026TypeScript · React 19 · Vite

  • CarCost Germany

    A total-cost-of-ownership calculator for cars in Germany: cash, loan or lease, company-car tax and break-even.

    2026TypeScript · React 19 · Vite

  • Travel cost calculator

    A trip budget planner with what-if scenarios, where GPT-5 suggests the cost items and plain code does the maths.

    2026TypeScript · React 18 · Vite

  • segno

    A Deno port of validator.js from 2020: 73 string validators with TypeScript types, tests, docs and releases.

    2020TypeScript · Deno · Deno std