Platform Toolsmith
SYSTEM_BROADCAST
LOAD: ALEX_CASTRO_BIO... [ OK ]
EXEC: cat alex_castro_bio.json
{
"headline": "The architect who still writes code",
"intro": "I'm Alex. I craft tailor-made internal platforms and developer tools that make software engineers more productive.",
"proof": "Principal Software Engineer, AI Platform, at Chamberlain Group. 15+ years shipping systems that handle real money.",
"topics": "Build logs. Patterns. Opinions. Artifacts included."
}
EXEC: LATEST_ARTICLES --limit 6
Architecture Starts With a Conversation, Not a Document
Architecture starts as a conversation, not a form. Seven document types, one question each, and the full template for each.
Stop Architecture Drift: Operationalizing ADRs with Automated Fitness Functions
How to operationalize ADRs into fitness functions that catch cross-language architecture drift in pull requests before it reaches production.
Agentic AI Code Review: From Confidently Wrong to Evidence-Based
My AI code reviewer kept being confidently wrong. The fix wasn't a better prompt — it was giving the model tools to fetch its own evidence.
Challenging Assumptions in Technology: From Being Right to Getting It Right
Why the best engineering decisions come from asking 'What if we're wrong?' and how to build a culture of getting it right instead of being right.
You are a Senior Engineer, Mastering Communication & Influence (Part 3)
Great code doesn't matter if you can't sell it. Let's talk about the 'soft' skills that actually drive your career: influence, communication, and leading when you're not the boss.
Building a Custom AI Code Reviewer for GitHub Enterprise with Bedrock and Go
How I built Archbot, a custom AI code reviewer for GitHub Enterprise using AWS Bedrock, Repomix, and Go. Includes the failed attempts, the two-phase architecture that solved context explosion, and production Go code samples.