Insights & Engineering Guides
The Ledger.
Raw engineering notes, system design patterns, compliance templates, and coding best practices written by developers.
AI/ML
July 15, 2026
8 min read
Building Production-Grade RAG Pipelines: Beyond Simple Vector Search
A deep dive into advanced retrieval strategies, document chunking layouts, metadata filtering, and semantic reranking to eliminate LLM hallucinations.
Architecture
July 12, 2026
7 min read
Scaling Event-Driven Architectures: Resiliency, Partitioning, and Poison Pills
How to design idempotent consumers, manage partitioned state, and handle schema evolution without disrupting high-throughput event processing.