Business observability
Making data quality, completeness, and operational health visible before issues become decisions.
Read case studyBuilder's notebook · Singapore
Systems should earn people's trust.
I’m Kangwei. I build data systems, practical automation, and self-hosted infrastructure that reduce friction and make information easier to understand. This is where I document the work, the decisions, and what I learn along the way.
Selected systems
Work designed for the day after launch.
Reliable systems need more than working code. They need visibility, clear ownership, and enough simplicity for the next person to understand them.
AI productionization
Moving AI-assisted time-series work from an interesting idea toward a reviewable, dependable workflow.
Read case studyPersonal homelab
A Raspberry Pi-based platform for learning infrastructure by operating tools that matter in daily life.
Read case studyOperating principles
Reliability is a human concern.
I care about systems people can trust, inspect, and inherit. The goal is not complexity. It is practical impact that lasts.
Make it visible
If a system cannot explain its own health, operating it becomes guesswork.
Reduce friction
The best automation gives people time and attention back without hiding important decisions.
Leave a trail
Documentation, clear interfaces, and lessons learned matter as much as the initial build.
Beyond the terminal
Building is only one way of paying attention.
Travel, photography, and running give me a different sense of scale and pace. The field notes preserve those moments without turning them into a highlight reel.