Experence and Capabilities

Extensive R&D Experience Since 2015

  • Chatbot & Messaging Platform Development (LINE / Discord)
    • Developed LINE and Discord bots using C# / ASP.NET / Node.js
      • (2025) Integrated LINE with internal CMS / ERP systems for company-wide broadcast announcements
      • (2020) Implemented automatic file backup from LINE to Google Drive or authentication-protected CMS systems
      • (2021) Implemented automatic MP3 downloading when YouTube links are posted in LINE
  • Messaging Platform Integration (2023–Present)
    • LINE and SMS platform integration
    • Can be integrated into any type of application, from legacy VB6 systems to modern .NET web and desktop applications
  • CMS & Lightweight ERP Website Development
    • (2023–Present) Based on existing WordPress frameworks, assisting with development and modification of PHP backend logic and frontend JS / CSS effects
    • ASP.NET development from scratch based on custom requirements, supporting multiple authentication mechanisms such as JWT or Session-based authentication
      • (2022–Present) Frontend options include ASP.NET Razor (full-stack) or React.js
        • Before the generative AI era, React.js was preferred; with today’s powerful generative AI tools, a full-stack approach is often more efficient.
  • Desktop Application Development
    • (2015–Present) WPF development on .NET Framework / .NET Core and later versions
    • (2024–Present) Avalonia UI cross-platform XAML development (Windows / macOS / Linux)
    • (2024) Experience publishing applications to the Microsoft Store
    • (2020–Present) For larger projects, follows MVVM architecture and extensive use of data binding
  • Mobile Application Development (Xamarin / MAUI)
    • (2020) Developed GPS-based location reporting apps from scratch, uploading site instrument coordinates to Web Services backed by SQL Server
    • (2021) Developed an in-house field attendance app with GPS spoofing detection
    • (2019) Maintained and enhanced an environmental monitoring instrument Bluetooth Android app (Java, Android Studio)
    • (2021) Experience with Apple TestFlight for iOS deployment
  • Userscripts / Userstyles
    • (2017–Present) Developed userscripts and userstyles to extend website functionality and redesign UI without access to source code
  • Legacy System Maintenance & Modernization
    • (2022) Upgraded ASP.NET WebForms 2.0 applications to .NET Framework 4.0.3, while eliminating legacy Flash, Silverlight, and Shockwave, replacing them with modern HTML5, JavaScript, and CSS3, and implementing Responsive Web Design (RWD)
    • (2021–Present) Continuous maintenance and modernization of VB6 / VBA applications
      • Refactored legacy single-threaded logic into concurrent web request patterns using native VB6 language capabilities, without relying on external COM or .NET libraries
      • Where native VB6 limitations existed or costs were prohibitive, developed COM-exposed .NET DLLs
      • Integrated modern RESTful APIs
  • Database & API Architecture Design
    • Recommended Entity Framework Code First to reduce long-term development and maintenance costs
    • Clear separation between development and production environments
  • Reverse Engineering
    • (2021) Reverse engineered IMSL (Intel) C# mathematical DLLs
      • Enabled free usage of its FFT (Fast Fourier Transform) capabilities from VB6 software for seismic data analysis
  • Automation & Scripting
    • (2021–Present) Windows PowerShell / Batch / AutoHotkey, as well as Linux / macOS Shell scripting
    • (2023–Present) Leveraged generative AI to rapidly create scripts with GUI interfaces
  • Game Server & Plugin Development
    • (2023) Developed Counter-Strike 2 server plugins
      • Using CounterStrikeSharp (.NET / C#)
  • University Graduation Project (Unity)
    • Low-poly architectural and character 3D modeling
    • Rigging
    • UV unwrapping and texture atlas preparation

Extensive System Operations & Maintenance Experience Since 2019

  • Hardware & Software Infrastructure Management
    • Mail server management, including hard disk replacement
  • Synology NAS Management via Shell
    • Enabled non-official SSDs to be formatted and used as storage volumes
  • Network Device Administration
    • DrayTek and ASUS router configuration and management
  • Network Security & Incident Handling
    • Identified network anomalies via router management interfaces
    • Used KVRT to detect and remove malware from infected machines
    • Built cost-effective baseline cybersecurity protections, eliminated direct internet exposure, and established backup strategies to significantly reduce ransomware risks
  • Virtualization & Migration
    • Migrated physical machines from Windows XP / Windows Server 2003 through Windows 11 into virtual environments using P2V
    • Platforms include VMware Workstation, ESXi, and Proxmox VE
    • Proxmox VE cluster administration and maintenance