Things I've built for the joy of building them. For the formal stuff, there's LinkedIn.
An app for remembering first times: the first concert, the first trip, the first time you did something with someone. It sends a quiet nudge every year on the anniversary. I built the whole thing: API, iOS, Android, web. My favorite detail: friend codes that read like Hawaiian words instead of random characters.
I'm building Traces to help me remember the small things about the people in my life: a conversation, a place, a new face. The idea is to write them down as they happen and find them later in plain language. Privacy is the constraint shaping it. The strictest mode is being built so notes stay encrypted on the device instead of being sent to the server or an AI.
My curtains came with little radio remotes scattered around the house. I sniffed their signals with a CC1101 module, taught an ESP32 to speak their language, and wired everything into Home Assistant, which also puts them in Apple Home. Now the curtains follow my voice, and the remotes are mostly decoration.
A tiny health diary I built for my girlfriend: a form she filled in whenever something hurt, like knees, wrists, or head. At the exact moment she hit save, an ESP32 with a sensor at home recorded temperature, pressure and humidity, and attached them to the entry. The goal was to find out whether her pain tracked the weather, and a charts page tried to answer that. We never reached a verdict, but building it, and programming the ESP32, was the fun part anyway.