Long-form writing on software engineering, systems design, and building things.
January 18, 2026
No platitudes, no theory. Just the exact system, templates, and tools I use to turn daily development work into a searchable knowledge base and high-quality blog posts.
Read article →November 30, 2025
Go beyond basic reliability. This is a complete operational manual for your Rails outbox, covering the four critical metrics, production-grade processor design with Sentry, forensic runbooks, and the anti-patterns that lead to silent failures.
Read article →October 21, 2025
Implicit state is a breeding ground for bugs. We'll refactor a typical Rails model to use a production-ready state machine, covering migrations, race conditions, testing, and audit trails to make your code safer and easier to reason about.
Read article →October 20, 2025
The app/services directory starts with good intentions but often decays into a junk drawer. We'll diagnose the symptoms of a service directory in crisis and explore how patterns like Form Objects, Commands, and Query Objects can restore clarity and maintainability to your Rails app.
Read article →October 19, 2025
Move beyond hardcoded strings and build a scalable, version-controlled, and testable prompt management system in Rails to manage your AI prompts like professional software.
Read article →18 October 2025
A hardcoded prompt typo cost us $2,400 in 72 hours. Here's the engineering discipline, testing strategies, and open-source tool (Promptly) we built to fix it for good.
Read article →October 8, 2025
Your async AI feature works... until it doesn't. This guide covers how to debug unreported job failures, trace Action Cable WebSocket issues, and handle common pitfalls in production.
Read article →October 7, 2025
A deep dive into architectural patterns using ActiveJob and Redis to solve LLM latency, moving from an 8-second wait to a sub-50ms cached response.
Read article →October 6, 2025
Most function calling tutorials show toy examples that break in production. This guide provides the 80% foundation you actually need: a security-hardened, multi-turn agent with complete parameter validation, proper error handling, logging, and timeouts. Copy, customize, and build on it
Read article →October 4, 2025
An advanced guide to building a robust, automated RAG evaluation framework in Rails, with production-minded code for metrics, parallelization, and CI/CD integration.
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