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👋 Hi, I'm Leo

A Full Stack Engineer, Web3 Builder, and AI / LLM Engineer exploring the intersection of:

⚡ AI Agents
⚡ Blockchain & On-Chain Computation
⚡ Cloudflare Edge + Serverless Infra
⚡ LLM-powered Apps & Tools
⚡ Developer Experience & Automation

Passionate about building open-source tools, AI chat systems, cross-chain applications, and distributed systems.

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🧠 Tech Focus Areas

AI / LLM

• LangChain, LangGraph, Agent Systems
• RAG Pipelines, Vector DB, LLMOps
• OpenAI, DeepSeek, Claude, Gemini
• FastAPI / Python AI backends
• AI × Web3 / Wallet Agent Research

Web3

• Solidity Smart Contracts
• ethers.js / web3.js / Hardhat
• Wallet integrations / on-chain compute
• IPFS / decentralized storage

Full Stack

• Next.js, React
• NestJS, Node.js
• Strapi, PostgreSQL / Redis
• Cloudflare Workers / R2 / Pages

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🏆 Featured Projects

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🚀 1. LTK Chat App — AI Chat Platform

✨ Live: https://leo-tian-kai.uk
📦 Repo: https://github.com/LeoHongyi/ltk-chat-app

Tech Stack:
Next.js · Cloudflare Workers · OpenAI · Streaming Chat · Memory Engine

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🔗 2. LeoChain — Web3 + AI Chain Toolkit

✨ Live: https://leochain.pages.dev
📦 Repo: https://github.com/LeoHongyi/leochain

Tech Stack:
Solidity · ethers.js · Web3.js · AI-Enhanced Blockchain Tools

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🌀 3. DeepSeekMine — AI Workflow & Mining System

📦 Repo (private/working): (You may insert your private URL or description)

📝 Description:
A research-driven project experimenting with agent orchestration, LLM workflow mining, and optimized DeepSeek-style compute pipelines.

Focus on:
✔ Agentic workflows
✔ High-efficiency reasoning
✔ Knowledge mining & automation

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🧩 4. MagicDoor Portal Backend — Enterprise Infra + AI Gateway

📦 Repo: https://github.com/MagicDoorInc/portal-backend

Tech Stack:
NestJS · Microservices · Worker Queue · Cloudflare Integration · R2 Storage · AI Gateway Layer

Summary:
Backend powering the MagicDoor ecosystem — multi-tenant auth, robust infra, AI request routing, and high-performance backend APIs.

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🏭 5. Microsoft DLWorkspace — Distributed Deep Learning System

📦 Repo: https://github.com/microsoft/dlworkspace

🎯 Contributions:

• Participated in distributed job scheduling
• Infrastructure automation improvements
• GPU cluster orchestration / training pipelines

DLWorkspace is one of Microsoft’s open-source infra systems to manage large-scale AI training clusters.

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🛠️ Skills & Tools

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📊 GitHub Stats

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🤝 Connect with Me