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Notes from the field
Practical write-ups on data engineering, AI engineering, MLOps, and cloud data warehousing — from the team building it.
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AI EngineeringApr 14, 2026
RAG is not a memory system. It's a policy engine.
How to actually use vector databases in production AI agent systems. Reframe RAG as policy enforcement, not memory storage, to build reliable agents at scale.
SSSnigdh Singh
Read postAI EngineeringApr 6, 2026
The Router-Planner Pattern: Architecture Behind Reliable Multi-Agent AI Systems
Why your AI system needs a traffic controller before it needs more intelligence. The Router-Planner pattern solves the right problems at the right layer.
SSSnigdh Singh
Read postAI EngineeringMar 29, 2026
How I would Design an AI Agent System for an E-Commerce Customer Support (End-to-End)
A practical architecture walkthrough from requirements to production. Design decisions that actually work in real agent systems, not just demos.
SSSnigdh Singh
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