Hi, I'm Hoang.

Software engineer in Geneva, working in TypeScript, Go and C#. Web platforms by day, an open source chart library by night.

Chasing @paulirish's dream: make the WWW great. Off the keyboard, you'll find me doing calisthenics 🤸‍♀️.

GitHub LinkedIn npm

Things I've built

All side projects. For the work side, see LinkedIn.

@michi-vz

Framework-agnostic D3 chart library with 22 chart types

A real line chart, fed data until it turned into Michi. Hover to redraw the cat.

TypeScript
D3.js
WebGPU
Canvas
Lit
Turborepo
Storybook
Playwright

Live Code npm

michi-chat

Self-hostable AI chat assistant for small businesses that never invents a fact

Next.js
TypeScript
OpenAI SDK
LiteLLM
PostgreSQL
pgvector
Drizzle
Docker

Live Code GHCR

e-Saxophone Learning

Browser practice tool for electronic saxophone

Next.js
React
TypeScript
Go
PostgreSQL
Web MIDI
Web Audio
Docker

Live Code

Mugshot

Not only a coffee shop website: a platform helping local artists promote their products and organize events

React
TypeScript
PostgreSQL
MinIO
Docker

Live

Off the keyboard

Saxophone

Learning on a Yamaha YDS-120 electronic saxophone. I got impatient with not knowing whether I was actually improving, so I built a practice tool that listens over MIDI or microphone and keeps score.

Calisthenics

Bodyweight training, no gym required. The long game: a clean planche.

Tennis

A different kind of interval training. The backhand is a work in progress.

Cycling

Two wheels, long roads, no notifications.