Heeji Kang

📧 heejikang.miru(at)gmail.com 😺 Github 🌐 Website ✅ BOJ Profile

🎓 Computer Science student trained in CS principles, proven by solving 400+ algorithmic problems primarily using C++.
🤖 Experienced in AI agent & LLM-based applications, focusing on Generative AI and practical software development.
💡 Proficient in C++, C, Python, with hands-on experience in PyTorch and Docker environments.

🎓 Education

Yonsei University
BS in Computer Science (Expected Aug 2026)

• 📘 Relevant Coursework: Data Structures, Operating Systems, Machine Learning

🎯 Areas of Interest

• AI Agent and LLM Logic Design
• MCP Server Development, Enhancing Generative AI Usability
• Software and Service Design

🚀 Projects

💹 AI Finance Agent using MCP Server

🏆 Koscom AI Agent Challenge 2025 Finalist
📅 Sep 2025 – Ongoing

• Built an AI agent for stock recommendation using MCP Server and FastAPI (Python).
• Implemented momentum-based scoring integrated with news sentiment analysis (XLM-ROBERTa).
• 🛠 Tools: Python, Pandas, PyTorch, Docker

🧬 Team Leader — LLM Watermark Project (Yonsei Univ.)

📅 Aug 2025 – Ongoing

• Designing a robust watermark injection algorithm for open-source LLMs, aiming for a relative change in perplexity (PPL) of less than 5% compared to unwatermarked text.

🧠 Technical Skills

💼 Activities & Engagements

🌏 Working Holiday Program — Sydney, Australia

📅 Mar 2023 – Nov 2023

• Developed cross-cultural communication skills.

💖 Member — Bon Bon Volunteering Club (Yonsei Univ.)

📅 Mar 2021 – Jun 2021

• Organized and hosted a university flea market.
• Successfully raised funds, fully donated to local charity organizations.

📚 Academic Outreach Mentor (Coursework, Yonsei Univ.)

📅 Sep 2018 – Dec 2018

• Provided educational mentoring to out-of-school youth.
• Focused on instructional clarity and adapting to diverse learning environments.

🌐 Languages