Jack Lee

Team Manager & Senior Software Engineer

Secure Remote Workspace Platform: Participated in development and maintenance of enterprise remote workspace and secure access solutions. Developed security-related features using C++ and Windows technologies. Contributed to enterprise-grade secure remote working infrastructure used by Japanese organizations. Log Analysis System: Developed centralized log analysis platform using Java Spring Boot, Elasticsearch, Vue.js, MySQL, and Linux. Implemented log collection, parsing, indexing, searching, and visualization functions. Designed scalable log processing architecture for enterprise environments. Advanced Web Crawling Platform: Developed automated web crawling systems using Python, Selenium, Node.js, and Puppeteer. Performed web security analysis and debugging. Implemented solutions for websites protected by Cloudflare and Akamai. Enterprise Mail Client: Developed Outlook-style desktop mail client using C#, WPF, DevExpress, SMTP, IMAP, and POP3. Implemented offline synchronization and local storage using SQLite. Cloud File Manager: Developed cloud storage management software supporting Box and Dropbox. Implemented OAuth2 authentication and Single Sign-On (SSO). Created Windows Explorer-style file management interface. Secure Browser: Developed secure Chromium-based browser using CEF. Implemented sandboxing and anti-data-leakage functionality. Integrated filesystem mini-filter drivers and Windows API hooking. Cloud Client: Developed OneDrive-style cloud synchronization software. Implemented Windows Callback File System driver. Developed shell integration and cloud storage synchronization functions.

Software Engineer

SECUDRIVE File Server: Developed enterprise file server platform protected by DRM technology. Designed secure file-sharing architecture using SMB, DFS, WSFC, WebDAV, and Active Directory. Implemented user policy management and insider threat detection capabilities. Developed DRM modules using Windows Kernel Drivers and Windows API Hooking. SECUDRIVE USB Copy Protection: Developed secure USB content distribution platform. Implemented real-time encryption and decryption using AES-based technologies. Developed DRM protection mechanisms and firmware integrations. Digital Rights Management Platform: Developed core DRM technologies used across enterprise security products. Implemented file protection, encryption, and access control technologies. SECUDRIVE Device Control: Developed Data Loss Prevention software for endpoint security. Implemented USB, Printer, CD/DVD, Network, and Peripheral Device Control modules. Developed policy-based device access control and monitoring systems.