Full-stack products, built and shipped end to end.

A calorie tracker for Singapore hawker food, built around one loop: open it, see what's left today, tap a recent meal to log it. Claude fills in nutrition for anything the catalogue doesn't carry.

Fare and travel-time estimates for the Singapore MRT — breadth-first search over a station graph baked in at seed time, with no runtime API calls. An octolinear network map animates to frame your route.