PathBuddy — Indoor & Outdoor Navigation
2026A Flutter navigation app with outdoor TMAP routing, indoor floor-plan pathfinding, YOLOv8 room recognition, and Raspberry Pi direction display.
- Flutter
- Dart
- FastAPI
- TMAP API
- YOLOv8
- Raspberry Pi
- BLE
Portfolio
Sihyun Chung
Sienna
Building technology is only half the challenge. Understanding the people it serves is the other half.
Connecting those who build technology with those who understand the world.
About
Hi, I'm Sihyun Chung, also known as Sienna.
I am an Information and Communication Engineering major and Political Science double major at Yeungnam University. I enjoy building practical solutions through technology, including navigation applications, IoT systems, and AI-powered tools.
I believe technology can change the world, but only when it is guided by an understanding of people and society. That's why I chose to study both Information and Communication Engineering and Political Science—to bridge the gap between building technology and understanding the world it serves.
Beyond academics, I have served as President of the IT's Club, mentored students through the Korea University Student Mentor Association, participated in Buddy and ABP volunteer programs, studied abroad at Angelo State University in Texas, and joined the Google AI Hackathon.
My goal is to become a developer who connects technology, people, and society.
Education
- University
- Yeungnam University
- Major
- Information and Communication Engineering
- Double Major
- Political Science & Diplomacy
Skills
- Flutter
- Python
- FastAPI
- TypeScript
- Next.js
- Raspberry Pi
- YOLOv8
- OpenAI API
- Git
Experience & Activities
Intern — Consulate-General of the Republic of Korea in Melbourne
Jul 2026 – PresentIn progressSupporting consular and administrative work at the Consulate-General of the Republic of Korea in Melbourne, Australia.
President — IT's Club
2025Led IT's, a university IT club, planning activities and coordinating members.
Undergraduate Research Student
Jan 2026 – PresentIn progressAffiliated with a faculty research lab as an undergraduate research student.
Korea University Student Mentor Alliance
2025Mentored middle and high school students through on-site visit programs.
Buddy & Academic Buddy Program (ABP)
2025Completed volunteer programs supporting international students on campus.
Exchange Student — Angelo State University
Fall 2024Studied abroad at Angelo State University in Texas, USA for one semester.
Cloud Training — Major Korean Enterprise (N)
2025 · 2026 (3 sessions)Completed cloud education programs offered by a leading domestic company — three times across 2025 and 2026.
Hackathon Judge — National Developer Club
Sep 2025Served as a judge at a large-scale hackathon hosted by a national developer community.
Google AI Hackathon — SafePrompt Guard
May 2026Built SafePrompt Guard — a tool to detect, mask, and sanitize sensitive data in prompts before sending them to external AI services.
Projects
ZoneGuard — IoT Evacuation Guidance
2026A distributed IoT system where zone-based Raspberry Pis guide evacuation via LCD and haptic feedback using BFS routing.
- FastAPI
- WebSocket
- Raspberry Pi
- Vanilla JS
- BFS
- IoT
SafePrompt Guard
2026A Google AI Hackathon project that scans prompts for data leaks, masks secrets, and generates safe prompts before sending to external AI.
- Python
- FastAPI
- React
- Vite
- Gemma
- Docker
- SQLite
ShareMate AI — Share House Manager
2026An AI-powered Streamlit app for Australian roommates to split receipts, track debts, and manage chores and shopping.
- Python
- Streamlit
- OpenAI GPT-4o
- SQLite
- Pillow
Contact
Feel free to reach out for collaborations or just a friendly hello.