Technical Notes & War Stories
AI Engineering Blog
Lessons learned from building production AI systems. GraphRAG architecture, multi-agent orchestration, and the real challenges of enterprise MLOps.
LangGraphMulti-AgentProduction AI
How to Implement Human-in-the-Loop in LangGraph
A practical guide to adding approval gates, breakpoints, and human feedback nodes to your multi-agent workflows. Includes code examples and common pitfalls.
Dec 20, 20258 min readRam Pakanayev
GraphRAGCost OptimizationAWS Migration
From Serverless to Self-Hosted: Migrating DevMate to Neo4j and Pgvector
How I substantially reduced AWS costs and improved retrieval latency by migrating from Neptune+OpenSearch to Dockerized Neo4j+Pgvector on EC2.
Dec 15, 202512 min readRam Pakanayev
SageMakerAWSMLOps
The Hidden Costs of Provisioned SageMaker Endpoints
What AWS doesn't tell you upfront. From cold starts to idle billing, here's how to optimize costs without sacrificing latency for production inference.
Dec 10, 202510 min readRam Pakanayev