About me
π Hi there, Iβm Jinhee!
M.S. in Artificial Intelligence student at UTSA, based in San Antonio. Drawing on my experience in the banking industry, Iβm interested in building reliable and impactful AI solutions for financial data.
π Education
- M.S. in Artificial Intelligence β UT San Antonio (In Progress)
- B.S. in Computer Science β Korea National Open University (2023β2025)
- B.A. in Police Administration & Chinese Language β Soonchunhyang University (2014β2020)
πΌ Experience
- Software Developer at KB Kookmin Bank, South Korea (2023β2025)
- Retail Banking Associate at KB Kookmin Bank, South Korea (2020β2022)
π Tech Stack
π Research Interests
- Explainable AI β SHAP, LIME, DiCE
- LLMs & RAG β Retrieval-Augmented Generation
- Computer Vision β Object Detection (Faster R-CNN, YOLO)
π§± Featured Projects
Finance RAG Chatbot
A RAG chatbot that retrieves and summarizes information from complex financial PDFs.
- Custom semantic chunking based on financial clause structure (regex)
- MMR + LLM-based reranking (Upstage Solar Pro 2) to improve retrieval accuracy
- Interactive web UI built with Streamlit
Stack: Python 3.12 Β· LangChain Β· ChromaDB Β· Streamlit Β· Upstage Solar API View on GitHub β
Explainable Credit Default Prediction (XAI)
Comparative study on credit card default prediction using SHAP and DiCE for model interpretability.
- SHAP for feature attribution (Logistic Regression) vs. DiCE for counterfactuals (XGBoost)
- Generated βwhat-ifβ scenarios showing minimal changes needed to flip a prediction
Stack: Python Β· Scikit-learn Β· XGBoost Β· SHAP Β· DiCE Β· Pandas View on GitHub β