👋 Hi, I’m Andy Fan
AI Engineer | RAG & AI Agents | Multi-Agent Architectures | Full Stack & Cloud-Native SaaS | CKA

I design and build multi-tenant SaaS platforms,
Retrieval-Augmented Generation (RAG) systems, and AI agent frameworks
that bridge enterprise-grade backend engineering with modern generative AI.


💡 What I Do

  • Develop intelligent RAG pipelines with LangGraph, LangChain, and FastAPI
  • Architect multi-agent systems for reasoning, retrieval, and workflow orchestration
  • Build ABP.io-based SaaS platforms integrating OpenIddict, modular APIs, and tenant isolation
  • Deploy scalable cloud-native solutions using Docker, and Google Cloud

🧠 Technical Stack

Languages & Frameworks: Python · .NET Core · C# · Next.js · FastAPI AI & Data: LangChain · LangGraph · FAISS · Elasticsearch Cloud & DevOps: Google Cloud · Docker · PostgreSQL · Redis · ABP.io


🏆 Certifications


🌐 Demo Website → fanai.dev