
Every production system has a reverse proxy in front of the actual application. nginx, HAProxy, Envoy, ALB, Cloudflare -- pick your flavor. They all do the same job: terminate TLS, route requests, balance load, absorb back-pressure, and shield the application from the public internet. Knowing what's happening at this layer turns 'mysterious 502s' into solvable bugs.
Engineering Craft
TypeScript, CI/CD, databases, observability -- the skills that make code production-ready.