Engineering Notes

Research From The Field, Not The Whiteboard

Selected engineering notes from systems we have shipped and operated. Each note is grounded in production.

AI · RetrievalRN-2026.04

Hybrid Retrieval Over Sovereign Legal Corpora

Layering symbolic graph traversal with dense retrieval for jurisdiction-aware legal reasoning at sub-50ms latency.

SystemsRN-2026.03

Multi-Tenant Hospitality Cores At Continental Scale

Sharding strategies, tenant isolation, and concurrency guarantees for unified hotel groups across regions.

AI · AgentsRN-2026.02

Bounded Agent Orchestration For Regulated Workflows

A controller pattern for autonomous agents operating under compliance and audit constraints.

InfraRN-2026.01

Observability As A First-Class Design Constraint

How we instrument systems before we ship them — making every state transition recoverable and explainable.