LLanford Yenn
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Notes from production

Hands-on essays on building AI systems, cloud platforms, and the distributed services underneath them. No hype — just what works and what breaks.

AI Engineering

RAG, evaluation, and shipping LLM features to production.

AI EngineeringJun 18, 2026

Building a Resilient RAG Pipeline

Why most RAG demos break in production, and the retrieval, evaluation, and guardrail patterns that make retrieval-augmented generation dependable at scale.

1 min read

Cloud Architecture

Cloud-native foundations, Kubernetes, and platform design.

Cloud ArchitectureJun 5, 2026

Platform Engineering on Kubernetes

A pragmatic approach to building an internal developer platform on Kubernetes without collapsing under the weight of its own abstractions.

1 min read

System Design

Distributed systems, consistency, and scaling trade-offs.

System DesignMay 22, 2026

Designing Event-Driven Backends That Don't Bite Back

Event-driven architecture is powerful, but the trade-offs only surface under load. A field guide to consistency, idempotency, and operational sanity.

1 min read

Lanford Yenn

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