Designing a Shipping Contingency Path for Vendor Outages
A case study in designing a degraded-mode shipping path that preserved business operations during third-party logistics outages.
An engineering publication
System Notes
Thoughts on building enterprise software.
Architecture decisions, production lessons, and practical ideas for building systems with clarity.
01 / Case studies
Selected case studies
02 / Writing
Recent notes
The Error Said “No Rates.” The Rates Were Right There.
The application said there were no rates. The raw response disagreed. That contradiction changed the entire investigation.
Your Rollback Succeeded. Production Hasn't Recovered Yet.
The rollback was green. Orders were still failing. Recovery turned out to be a business state, not a deployment event.
Current focus
What I’m thinking about now.
- Enterprise platforms
- Distributed systems
- AI-assisted engineering
- Software architecture