12 Lessons from Building a Full-Stack Platform
Key engineering lessons learned from building a 565,528 line full-stack platform, covering authentication, concurrency, cross-platform development, and more.
#ShieldMod
5 posts
Race Conditions: When 5 API Requests All Refresh the Token
Debugging intermittent 401 errors caused by concurrent token refresh attempts, and implementing a mutex-like subscriber pattern to fix it.
The MAC Address Betrayal: When Hardware IDs Go Rogue
How trusting MAC addresses for hardware identification caused 47 support tickets in one week, and the lessons learned about stable hardware identifiers.
The Infinite Redirect Loop That Crashed Browsers
How a logout button caused 200+ API requests in under 5 seconds, and the multi-layered fix involving distributed authentication state management.
Building ShieldMod: A Full-Stack Licensing Platform
An introduction to building a 565,528 line licensing platform using Python FastAPI, Next.js, and C++, covering architecture decisions and key technical implementations.