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I read everything and reply where I can.

Pathways

Architecture and system decisions
A second perspective on a consequential decision, difficult boundary, migration, or system that has become hard to reason about.
Ongoing technical conversations
For teams working through platform, real-time, data, or AI-system questions where continuity of thought is useful.
Speaking and podcasts
Product architecture, dependable software, AI-written code, and engineering judgment at Staff level.
ReferentGround
I am especially interested in hearing from teams reviewing AI-written code at volume, or rethinking evidence beyond the diff.
Writing and editorial work
Essays, commissions, editorial collaborations, and conversations around In Principle(opens in a new tab).
Other thoughtful correspondence
If the problem is genuinely interesting and the context is clear, write anyway.