Hi, I'm Jun, an AI application developer working with Java and Python. I build AI agents, RAG assistants, and AI-enabled business tools.
I help clients automate workflows, build private knowledge bases, extract data from PDFs and Excel, integrate APIs, and add AI to existing software. I also review and improve Simplified Chinese websites, apps, and content.
My stack includes Java, Python, LangChain/LangGraph, vector databases, FastAPI, REST APIs, PostgreSQL, Docker, and OpenAI/Claude APIs.
I start with a small, clearly scoped milestone and scale after we agree on the next step.... Lee más