About me

About me

πŸ‘‹ Hi there, I’m Jinhee!

M.S. in Artificial Intelligence student at UTSA, based in San Antonio. Drawing on my experience in the banking industry, I’m interested in building reliable and impactful AI solutions for financial data.

πŸ“„ View Resume


πŸŽ“ Education

  • M.S. in Artificial Intelligence β€” UT San Antonio (In Progress)
  • B.S. in Computer Science β€” Korea National Open University (2023–2025)
  • B.A. in Police Administration & Chinese Language β€” Soonchunhyang University (2014–2020)

πŸ’Ό Experience

  • Software Developer at KB Kookmin Bank, South Korea (2023–2025)
  • Retail Banking Associate at KB Kookmin Bank, South Korea (2020–2022)

πŸ›  Tech Stack

Python Java COBOL Spring Boot PyTorch

πŸ”­ Research Interests

  • Explainable AI β€” SHAP, LIME, DiCE
  • LLMs & RAG β€” Retrieval-Augmented Generation
  • Computer Vision β€” Object Detection (Faster R-CNN, YOLO)

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 β€œwhat-if” 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†’