| Language | C, C++11/17, Go, C#, Java/JNI, Bash, Python |
| Windows | Win32, MFC, Windows Service, DLL, WDM, Minifilter, Named Pipe, Filter Manager Port, Registry, WMI, DPAPI |
| Linux | Shared Library, GCC/Clang, Ninja, GDB, Valgrind, Shell |
| Security | DRM, DLP, 생성형 AI 보안 아키텍처 설계, Local Proxy, PCRE2, OpenSSL, 검증필 암호모듈 적용, ECDH, PBKDF2 |
| AI / OCR / Document | ONNX Runtime, PaddleOCR, Tesseract, OpenCV, DocuParser, AI 코딩 도구(Claude Code, GLM) |
| Database | SQLite, PostgreSQL, Oracle, MariaDB |
| Application / IPC | Wails v2, .NET Framework, REST, WebSocket, JNI, Electron 연동 |
| Build / DevOps | CMake, Visual Studio 2022, GitLab, Jenkins, Docker, Redmine, Seafile, Mattermost |