Pages
a small site, for nowAbout me
quick introI enjoy building random stuff, especially around automation, machine learning, data and finance. I use Linux every day, build quant models, and like turning small ML experiments into useful tools.
Name
Zhiyong (Justin) He
Based in
Eindhoven, Netherlands
Linux history
NixOS → Fedora · long-time Hyprland user, now on KDE Plasma
Interests
Machine learning · data · finance
What I build
Automation, data tools, quant models and ML experiments
GitHub
@zyhe16 · loading public repos
What I use
tools and technologiesDaily drivers
- Python primary
- Bash / Shell daily
- Fedora Linux daily driver
- KDE Plasma desktop
- Git / GitHub Actions daily
Web
- TypeScript working
- React + Vite working
- D3.js viz
- Django backend
- Node.js runtime
Data & ML
- scikit-learn random forests
- XGBoost regime models
- pandas wrangling
- Transformers / LLM tooling applied
- CatBoost trend models
Other tools
- Go tview
- Java / Spring Boot backend
- C ESP8266
- PostgreSQL data
- Docker containers