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    zyziyun/README.md

    Hey there 👋 I'm Wendy Yun

    Senior Fullstack AI Engineer · Ships & Teaches Production AI Systems

    Profile views

    🧑‍💻 About Me

    • 🚢 Shipping production AI at Amazon — S3 Vectors, S3 Files, and agentic console workflows on the AIM framework
    • 🎓 Teaching a senior GenAI / AI Engineering curriculum to 200+ engineers across enterprise cohorts and 1:1 senior mentees
    • 🛠️ Fullstack across React / Next.js · Spring Boot / FastAPI · AWS / K3s · vLLM / RAG / MCP
    • 🌐 Live demos and deployed AI products at knflow.com

    🚀 Featured Projects

    ✈️ VoyageAILive

    AI travel planner with 10+ agent orchestration, real-time streaming, and Xiaohongshu integration.

    ReactSpring BootFastAPIKafkaK3sOpenAI

    🔬 DeepBrief LabMCP

    9-notebook student lab building Deep Research from scratch — MCP, A2A, multi-agent orchestration, and HITL approval patterns.

    PythonMCP SDKFastAPIJupyteripywidgetspytest

    📝 resume-writing-skillSkill

    Anthropic skill that turns a ~30-page brain-dump or an existing resume into a structured US-market resume + LaTeX + a tier-calibrated personalized handbook.

    Anthropic SkillLaTeXmoderncvMarkdownPrompt Engineering

    🔍 Insight EngineLive

    Advanced RAG with hybrid search, reranking, HyDE, and multi-strategy retrieval pipeline.

    FastAPINext.jsChromaDBLangChainPostgreSQL

    📓 KnowFlow AILive

    Notebook-style LLM workspace with project management, document RAG, and SSE streaming chat.

    Next.jsPrismaLangChainChromaDBNextAuth

    🔮 TarotMystica iOSApp Store

    Native iOS tarot app with on-device AI (MLX Qwen 2.5 3B), 78-card deck, 17 spread layouts, and daily card widget.

    SwiftUIMLX SwiftSwiftDataWidgetKitAVFoundation

    🛩️ Museum of FlightLive

    Aviation knowledge & language training with TTS, semantic search, and vocabulary drills.

    Next.jsPrismaAzure SpeechChromaDBLangChain

    🃏 Tarot Mystica WebLive

    Interactive tarot readings with animated card spreads, local AI model + cloud API dual mode.

    Next.jsFramer MotionTailwind CSSTypeScript

    🌐 PortfolioLive

    The portfolio homepage that ties all projects together. Next.jsTailwind CSSTypeScript

    🛠️ Tech Stack

    LanguagesTypeScriptPythonJavaSwiftJavaScriptC

    Frontend & MobileNext.jsReactSwiftUITailwind CSSFramer Motion

    BackendFastAPISpring BootNode.jsPrisma

    AI / MLOpenAILangChainChromaDBLlamaIndexMLX

    InfraAWSDockerK3sKafkaPostgreSQL

    📊 GitHub Stats

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