Lab
All side projects
Live
Backend Service Playbook
Design and implementation principles for DDD-based backend services, implemented the same way across five languages.
Live
k8s-playbook
A catalog of recurring Kubernetes deployment anti-patterns, each paired with an automated detection harness.
Live
Toddler Milestone Checklist
An offline-capable PWA for tracking developmental milestones (2–36 months) across four domains, plus a growth log with percentiles from birth. Not a diagnostic tool.
Live
Econ Realestate Digest
A daily digest of Korean economic and real estate news and market indicators, rebuilt every morning by a GitHub Actions pipeline with an open-source local LLM summarizing the day.
Live
Housing Subsidy Radar
Korean housing subscription notices ordered by how soon they close, alongside housing-related government benefits you can narrow down by region, income and age.