Jinsu Kim

Server Development:

• Implemented dungeon, party, and friend system features
• [NEW] Integrated ranking data with other in-house projects
• Memory, CPU, and GC optimization with dotMemory & dotTrace
  • [NEW] Replaced legacy object-pool system
    • Runtime generation of Protobuf Clear methods via reflection
    • Thread-local pooling for performance gains
  • [NEW] Developed performance-oriented utilities
    • NaiveFrozenDictionary, EnumDictionary, ThreadStaticMemoization
• Developer support
  • [NEW] Packet-debugging tool (ImGui viewer with real-time editing)
  • [NEW] Network stress-test features using the Clumsy library
  • [NEW] Development-environment setup tool
  • [NEW] Server time-shift feature via .NET method hooking

Development Environment:

• Rebuilt and improved the entire build & deployment pipeline
  • Created and adopted a build-artifact packaging system
  • Integrated Jenkins with a “Configuration as Code” approach
• [NEW] Built an in-house Blazor website
  • Display Jenkins build status
  • Manage package data and trigger Jenkins updates
  • Change Perforce submit settings
• [NEW] Implemented Perforce submit-message validation via triggers
• [NEW] Developed a Perforce stream-merge tool
• Introduced static analysis
  • Adopted SonarQube with daily notifications
  • [NEW] Created a Roslyn-based source-code analysis tool

Server:

• [NEW] Developed an NPC AI system
  • Designed AI behavior trees & blackboards
  • Created AI debugging tools using Unreal widgets
• [NEW] Built client networking
  • Modular architecture for flexible logic changes
  • Used Asio library
  • Added Reliable UDP via kcp
  • Packaged as an Unreal module

Development Environment:

• [NEW] Built an Excel data converter for designers
  • Converted Excel data & schema sheets into Protobuf
  • Implemented as an Excel VSTO add-in

Server:

• Content development
• Implemented inter-server packet relay
• [NEW] Developed Teams notification integration

Development Environment:

• Rebuilt and improved build & deployment pipeline
• Introduced Perforce streams
• Set up Jenkins
• [NEW] Built an in-house ASP.NET + Angular website
  • Manage stream data and trigger Jenkins updates
  • Edit Perforce submit settings

Client:

• Developed content UI

Development Environment:

• Created a WinForms updater tool
• [NEW] Implemented a WinForms dump-stack reporting tool

Client:

• Developed a survival game with a custom engine
• Implemented ads & in-app purchases

Server:

• Supported network play via relay servers
• Implemented player-data backup

Design / Art:

• Data entry using Excel
• Vector graphics with Adobe Illustrator

B.S. in Computer Engineering

Language Study:

• Enhanced practical English through local living
• Gained international communication experience with students from various countries