Doheon Kim

I'm a computer science student at UC San Diego. I build data pipelines and machine learning tools, most recently a sentiment model that labeled 1.37M Korean stock message board posts.

Seeking Summer 2027 software engineering and ML/data internships. Email me at peterjhms1922@gmail.com.

Find me on:

Resume (PDF)

Doheon Kim after earning the Expert Infantryman Badge

Projects

Message Board Sentiment and Retail Order Flow
In progress

June 2026 – Present · Independent two-person project

A study of whether the mood on Korean stock message boards matches what retail investors actually buy and sell. So far it has produced 1.37M collected posts and a fine-tuned sentiment model to label them.
- Python
- PyTorch
- Hugging Face
- KLUE-RoBERTa
- pandas
- statsmodels
Jeonse Safety Recommendation System

April 2026 · Snowflake Hackathon, two-person team

A Streamlit app on Snowflake that recommends safer jeonse rentals across 288 Seoul neighborhoods, built by a two-person team at a Snowflake hackathon.
- Python
- SQL
- Snowflake (Snowpark)
- Streamlit
- pandas
Code
Sharefair

April 2026

A mobile-first web app that splits trip expenses, works out who owes whom, and follows up on unpaid shares with timed email reminders.
- Next.js
- React
- PostgreSQL
- Redis
- Resend
- Vitest
Code Live demo
AI News Summarizer

December 2025 – March 2026 · Two-person project

A web app that collects Korean news articles for a keyword, groups articles about the same story, and writes a short summary for each group.
- Python
- FastAPI
- Next.js
- OpenAI API
- scikit-learn
- Vercel
Code Live demo