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Posts tagged #architecture

7 min read

The AI-native Rails stack in 2026

Put the pieces together — the no-Redis Solid stack, Kamal, pgvector, and the hard-won disciplines of building with LLMs — and a coherent picture emerges: Rails is an outstanding host for AI-native applications, precisely because it lets a small team build and run both the app and its AI features. A synthesis of where the stack stands.

5 min read

SOLID principles for a trading system

SOLID can feel like abstract acronym soup until a system grows complex enough to punish you for ignoring it. A war story applying the five principles to an algorithmic trading system — where each one earned its keep, and where dogmatic application would have hurt.