Skills
Languages
PythonTypeScriptJavaScriptSQL
Frameworks
DjangoFastAPINext.jsReact
Tools
PostgreSQLDockerGitREST APIsStripe
AI / ML
GPT-4o VisionOpenAI APIPrompt EngineeringLangChain
Projects
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Resume
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Summary
Backend Engineering
Python (Django, FastAPI), PostgreSQL, REST APIs, cloud deployments on AWS & Fly.io.
AI Integration
GPT-4o Vision multimodal apps, prompt engineering, OpenAI API, LangChain workflows.
AI Chatbot
Full-stack AI chatbot with GPT-4o-mini, RAG via ChromaDB, multi-turn memory, JWT auth, follow-up suggestions, and a resizable widget.
Payments & Quality
Stripe payment systems, end-to-end QA automation, test-driven development mindset.
Contact
Get in touch
Connect
github.com/calvinlee326linkedin.com/in/chunchenglee326chunchenglee@outlook.com
Los Angeles, CA · English • Mandarin • Taiwanese