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Practical Notes from Real-World Systems
Architecture and implementation lessons from AI products, backend systems, cloud infrastructure, and high-performance platforms.
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How I Built an Enterprise RAG Knowledge Intelligence Platform
A practical architecture for combining GitHub and Confluence knowledge using LangChain, Neo4j, and hybrid retrieval to reduce hallucination and improve developer productivity.
Mar 10, 20267 min readAI Engineering
RAG
LangChain
Neo4j
OpenAI
FastAPI
MCP Server Pattern for AI-Callable Hotel Intelligence
Designing Model Context Protocol tools for hotel search, availability, and pricing intelligence with reliable scraping and intent parsing.
Case Study: 96x Workflow Speedup at 3Automation
From 48 hours to 30 minutes by redesigning execution architecture with multithreading, task queues, and data pipeline optimizations.
Hybrid Cloud Identity with Auth0 and Policy-Based Authorization
A practical model for consistent access control across AWS and GCP using Auth0, Amazon Verified Permissions, and Terraform-managed infrastructure.
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