Ryan Zidago
Product engineer. Writing about building software and working with AI/LLMs.
Using doctests to understand a feature
Oct 7, 2026
Keep product knowledge close to the code
Sep 25, 2026
AI code reviewers should provide executable evidence
Aug 13, 2026
Do we need referential integrity for prompts?
Jul 25, 2026
Parallelising guardrails for faster feedback loops
Jul 24, 2026
Each test should own its setup
Jul 23, 2026
How to build software engineering guardrails: An example with Bylaw
Jul 22, 2026
AI coding agents need software engineering guardrails
Jul 22, 2026
Reducing Elixir worktree setup time by 83%
Jul 17, 2026
What I learned shipping a visual dashboard builder in 3 days
Mar 28, 2026
Incrementally enforcing code quality rules with coding agents
Mar 8, 2026