- C++, Delphi, Win32 API
- InstallShield, Windows Installer and silent installations (*.EXE / *.MSI)
- Reverse engineering (WinDbg / IDA Pro / Ghidra / dnSpy / Reflector)
- Malware analysis and Ethical hacking (Wireshark / Fiddler / Metasploit Framework)
- YouTube, Face API and Image processing (DirectX / OpenGL)