A Full Stack Engineer, Web3 Builder, and AI / LLM Engineer exploring the intersection of:
β‘ AI Agents
β‘ Blockchain & On-Chain Computation
β‘ Cloudflare Edge + Serverless Infra
β‘ LLM-powered Apps & Tools
β‘ Developer Experience & Automation
Passionate about building open-source tools, AI chat systems, cross-chain applications, and distributed systems.
- LangChain, LangGraph, Agent Systems
- RAG Pipelines, Vector DB, LLMOps
- OpenAI, DeepSeek, Claude, Gemini
- FastAPI / Python AI backends
- AI Γ Web3 / Wallet Agent Research
- Solidity Smart Contracts
- ethers.js / web3.js / Hardhat
- Wallet integrations / on-chain compute
- IPFS / decentralized storage
- Next.js, React
- NestJS, Node.js
- Strapi, PostgreSQL / Redis
- Cloudflare Workers / R2 / Pages
β¨ Live: https://leo-tian-kai.uk
π¦ Repo: https://github.com/LeoHongyi/ltk-chat-app
Tech Stack:
Next.js Β· Cloudflare Workers Β· OpenAI Β· Streaming Chat Β· Memory Engine
β¨ Live: https://leochain.pages.dev
π¦ Repo: https://github.com/LeoHongyi/leochain
Tech Stack:
Solidity Β· ethers.js Β· Web3.js Β· AI-Enhanced Blockchain Tools
π¦ Repo (private/working): (You may insert your private URL or description)
π Description:
A research-driven project experimenting with agent orchestration, LLM workflow mining, and optimized DeepSeek-style compute pipelines.
Focus on:
β Agentic workflows
β High-efficiency reasoning
β Knowledge mining & automation
π¦ Repo: https://github.com/MagicDoorInc/portal-backend
Tech Stack:
NestJS Β· Microservices Β· Worker Queue Β· Cloudflare Integration Β· R2 Storage Β· AI Gateway Layer
Summary:
Backend powering the MagicDoor ecosystem β multi-tenant auth, robust infra, AI request routing, and high-performance backend APIs.
π¦ Repo: https://github.com/microsoft/dlworkspace
π― Contributions:
- Participated in distributed job scheduling
- Infrastructure automation improvements
- GPU cluster orchestration / training pipelines
DLWorkspace is one of Microsoftβs open-source infra systems to manage large-scale AI training clusters.




