PM Universe
A constellation of product management resources that visualizes frameworks, case studies, and tactics for easier exploration.
About Hao
I’m a builder who loves transforming complex ideas into delightful digital experiences. From backend services to interactive data visualizations, I enjoy navigating the entire stack and delivering work that feels both meaningful and elegant.
When I’m not experimenting with new technologies, you can find me capturing the night sky through astrophotography or exploring the latest trends in human–computer interaction.
Current Focus
- Building resilient systems with Go & Python
- Crafting immersive data products
- Designing human-centered developer tooling
Selected Work
- Open-source contributions on GitHub
- Real-time monitoring dashboards
- Interactive storytelling experiments
Let’s Connect
Projects
Explore My Recent Work
A snapshot of experiments, tools, and platforms I’m building to make product thinking, automation, and storytelling more tangible.
SignX
A minimalist e-signature workflow focused on privacy, speed, and clarity for teams that need agreements without the friction.
Local Bookshelf
A personal knowledge library that syncs local reading notes with the cloud while keeping discovery fast and delightful.
Policy Monitor
Automated policy tracking that watches regulatory updates and surfaces alerts tailored to the teams who need to react.
Evaluation System
A scoring and reporting engine that simplifies performance reviews with transparent rubrics and actionable insights.
Mermaid Editor
An interactive editor for crafting Mermaid diagrams with instant previews and sharing-friendly exports.