
Hello, I'm Junho Choi
A junior Computer Science student at UMD interested in full-stack development, mobile applications, and computer vision.
I care about clean implementation, practical product decisions, and building things that are simple enough for real people to use.
Projects
A few things I've been building.
Work Experience
Practical software work, team projects, and technical leadership.
Battalion Maintenance Specialist & Squad Leader
U.S. Army Criminal Investigation Division (KATUSA) · Camp Humphreys, South Korea
Oct 2023 - Apr 2025
Served as a KATUSA soldier supporting U.S. Army CID operations through personnel leadership, equipment readiness, and joint investigation communication.
- Supervised in-processing and training for newly assigned KATUSA personnel while leading a 7-person team during physical training and daily operational briefings.
- Led maintenance readiness for mission-essential military vehicles by developing a new SOP and conducting monthly vehicle inspections.
- Managed M17/M18 and M4 weapons systems readiness for U.S. Army CID operations.
- Served as a liaison and interpreter during joint investigations between U.S. Army CID, Korean National Police, and Korean Criminal Investigation Group.
- Awarded the Army Commendation Medal for service and contributions to U.S. Army CID operations.

Skills
A practical snapshot of technologies I can discuss from coursework and projects.
Java
Coursework
C
Coursework
OCaml
Coursework
Rust
Coursework
HTML
Coursework
CSS
Coursework
JavaScript
Coursework
TypeScript
Projects
React
Projects
Next.js
Projects
React Native
Projects
Expo
Projects
Tailwind CSS
Projects
Python
Projects
FastAPI
Projects
Supabase
Projects
Let's connect.
I'm looking for teams where I can build useful software, learn quickly, and contribute with care.
