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Leo-Liu66/README.md

Hi, I'm Eugene Liu 👋

Full-stack engineer with a background in data operations and a Master's in ECE from the University of Waterloo. I build web applications and AI-powered tools, with a focus on backend systems and LLM integration.

What I'm building

DevSupport Copilot
RAG pipeline over Stripe documentation with LangGraph-orchestrated ticket triage, cited answer generation, and a FastAPI backend.

UWVault
Full-stack course resource sharing platform built with a 4-person team. I owned the resource management module — RESTful APIs (FastAPI), dual-storage architecture (GCP Cloud Storage + PostgreSQL), file handling up to 50MB with 99%+ upload success rate, and 100+ Pytest test cases at 80%+ coverage. React · FastAPI · PostgreSQL · GCP · Docker · GitHub Actions

Tech stack

Languages: Python · TypeScript · JavaScript · C++
Backend: FastAPI · Node.js · PostgreSQL · REST APIs
AI/ML: LangChain · LangGraph · ChromaDB · OpenAI API · RAG
Frontend: React · HTML/CSS
Tools: Docker · GCP · Git · Linux

Currently

Open to full-stack, backend, and AI application engineer roles.

Pinned Loading

  1. devsupport-copilot devsupport-copilot Public

    AI support copilot with RAG pipeline over Stripe docs — ticket triage, cited answers, and workflow orchestration via LangGraph + FastAPI.

    Python 1

  2. JulianZ-CD/uwvault JulianZ-CD/uwvault Public

    🎓 A full-stack web app for UW students to share course resources.

    TypeScript 3

  3. hanzi-browse hanzi-browse Public

    Forked from hanzili/hanzi-browse

    let any ai agent use the local browser

    JavaScript