01Agents + education
EduAgent
A conversation that becomes a learning path.
Three agents. One considered path from a learning goal to an interactive lesson.
- Python
- LangGraph
- LangChain
- OpenAI
Youlong Ma / Software engineer
Connecting
ideas.
Building
systems.
I build AI-powered tools and the systems behind them. Turning complex problems into software people can use.
Explore my work01 / Intelligence02 / Systems03 / Connection
FIELD STUDY — CONNECTED SYSTEMS
Full-stack development · AI · Backend systemsA few things I’ve built
01 / Selected work
Ideas, made real.
A few explorations in intelligence, information, and the systems that connect them.
02Search + retrieval
Agentic Doc Retrieval
Finding the right signal in a public archive.
Natural-language retrieval across FDA product recalls dating back to 2009.
- Python
- LangChain
- LangGraph
- OpenAI
02 / Engineering focus
From the interface
to the infrastructure.
Applied intelligence
Agents that retrieve, reason, and teach. Exploring how language models become useful tools through structured workflows.
LangGraph / Python / OpenAIConnected systems
The backend work that holds an experience together: services, data processing, and reliable platforms.
Go / PostgreSQL / AWSEnd-to-end products
Bringing the pieces into a usable whole, from web interfaces to mobile applications and the services behind them.
TypeScript / React / Node.js