English · 한국어
I'm an undergraduate student studying Electrical Engineering at UNIST (Ulsan National Institute of Science and Technology).
I'm interested in software development and cybersecurity, and I work on projects across different fields. I actively use AI in my development workflow.
Experience & Activities · 7 roles since 2024
My work so far includes full-stack web applications, Windows desktop software, native Android applications, automation tools, infrastructure, and independent security analysis.
| 2026.11.14– 2026.11.15 |
CTF Competition Staff 2026 IST-TECH IT ARENA · CTF competition operations and on-site support |
| 2026.05.22 | CTF Challenge Author & Organizer UNIST HeXA 최마진 3회 · CTF challenge development and event operations |
| 2026.04– 2026.12 |
Autonomous Driving Developer 유니주행차 · UNIST BTS (Brain to Society) Program · ROS 2-based autonomous driving software development · Simulation environment development using Gazebo and RViz · AI-based autonomous driving and vehicle control software |
| 2026.01– | Hacking Team Lead HeXA · UNIST Comprehensive Computing Club · Web security, reverse engineering, and CTF activities |
| 2025.07– 2025.12 |
Full-stack Developer UNIST Club Union · Independently developed a web application for internal organizational activities |
| 2025.05– 2026.02 |
Backend Developer ClubU · UNIST Club Union Official Website · Database schema design and REST API development · AWS infrastructure, Docker-based deployment, and CI/CD automation |
| 2024– | Freelance Software Developer · Full-stack web applications · Desktop GUI software · Custom automation tools · Frontend, backend, API, and database development · Software design, implementation, testing, and delivery based on client requirements |
Security Projects · 4 projects since 2024
| 2026.09– 2026.11 |
IoT Security Assessment & Remediation · Firmware dumping, extraction, and reverse engineering · Android application reverse engineering and web vulnerability assessment · Design and implementation of a new system to address identified security weaknesses |
| 2025.09– 2025.11 |
Mobile Application Security Assessment 밥먹어U · UNIST Campus Dining App · Assessed the security of a production mobile app used by the UNIST community · Identified and demonstrated a vulnerability enabling unauthorized administrator-level access · Google Play lists 1,000+ downloads (as of 2026) |
| 2024.04– 2025.05 |
RFID/NFC Access Control Research Independent Research · Studied MIFARE Classic 1K and NTAG213 tag characteristics, including UID formats · Tested Android NFC emulation and RFID reader compatibility · Examined security limitations of identifier-based authentication |
| 2024.02– 2026.07 |
DRM Analysis & Decryption Tool Development Independent Project · Reverse-engineered DRM protection mechanisms and decryption workflows · Analyzed cryptographic components and library behavior · Developed custom decryption tools based on the analysis |
Awards & Competitions · 8 results since 2025
| 2026.11.07 | Finalist 2026 UHCON · Team: HeXA |
| 2026.09.13 | Tied 2nd Place HSPACE SPACE WAR @ VIRGO (WEB) · Team: 우동사리 |
| 2026.09.11–09.12 | Finalist 2026 HACKSIUM · Team: HeXA |
| 2026.07.14 | 3rd Place SECTOR CTF · Team: HeXA |
| 2026.04.26 | Tied 1st Place HSPACE SPACE WAR @ TAURUS (PWN) · Team: 우동사리 |
| 2026.03.29 | Tied 3rd Place HSPACE SPACE WAR @ ARIES (AI) · Team: 우동사리 |
| 2025.07.15–07.17 | Finalist 2025 HACKSIUM · Team: UniKo |
| 2025.06.01 | Excellence Award (최우수상) UNIST HeXA 최마진 2회 · Team: 우동사리 |
Organizations & Memberships · 7 organizations since 2025
| Spring 2026– | UNIST Electrical Engineering Student Council Bureau of Academic Affairs · Member |
| Spring 2026– | AFEE Advanced and Fundamental of Electrical Engineering · UNIST Electrical Engineering's representative academic society · Member |
| Fall 2025– | JJeomNet Nonprofit project community · Core |
| Spring 2025– | HeXA UNIST Comprehensive Computing Club · Member; Hacking Team Lead since January 2026 |
| Spring 2025– Winter 2026 |
UNIST Club Union Communications & Cooperation Department · Member; Deputy Head of Department from Summer to Fall 2025 |
| Spring 2025– Winter 2025 |
9oormthon UNIV Inter-university IT Community · Member |
| Spring 2025– Winter 2025 |
Pinocchio UNIST Robotics Club · Member |
Interests & Skills · 5 skill areas
- Full-stack Web Development
- Mobile Application Development
- Desktop Application Development
- Backend Engineering
- Database Design
- Software Architecture
- Web Hacking
- Vulnerability Research
- Reverse Engineering
- Application Security
- System Security
- Linux
- Cloud Infrastructure
- Containerization
- Self-hosting
- CI/CD
- Automation Tool Development
- Workflow Automation
- Apple Shortcuts
- AI-assisted Software Development
- Generative AI
- Multimodal AI Workflows
- Local LLM Deployment
- LLM Integration
Education · UNIST
| 2025.03– | UNIST(Ulsan National Institute of Science and Technology) Department of Electrical Engineering |