Writing
Field Notes
Essays and notes on AI, engineering, and building things.
Latest · EngineeringW
Write Down a Test Your Architecture Can Fail
We wrote a falsifiable test for our service layering, then audited the codebase against it. We fail it, and the failure is the opposite shape from the one I expected.
13 min readRead
More posts
S
Systems12 min
Split the Pipeline by Workload Shape
An honest accounting of splitting a pipeline into an async Go worker and a sync Python API: what the pattern buys you, what it really costs, and when not to do it.
P
Systems14 min
Passing Data Between Microservices
A 47 KB payload met a 32 KB limit in production. How we framed the problem, compared four ways to fix it, and why Redis was the right call for our system.
M
Engineering10 min
My Experience with Test-Driven Development
A practical, point-by-point guide to how I use TDD in real projects: what it is, why it helps, and how to start without overthinking.