I will fix ue5 multiplayer replication rpc gameplay systems server client desync bug

J
john_chris24
J
john_chris24
John

About this gig

If you need help with your Unreal Engine 5 multiplayer game, replication system, matchmaking, networking, or gameplay systems, you've found the right gig. I specialize in Unreal Engine game development, UE5 Blueprint debugging, multiplayer bug fixing, and online game systems.


I can fix replication issues, server setup problems, gameplay bugs, Blueprint scripting errors, game mechanics, combat systems, widgets, matchmaking, and multiplayer networking. Whether you're developing a 3D game, FPS game, action game, horror game, RTS game, mobile game, Steam game, VR game, or Oculus Quest project, I can help identify and solve the problem quickly


Services include:

  • UE5 multiplayer debugging
  • Replication and networking fixes
  • Blueprint and UE5 Blueprint debugging
  • Gameplay systems and game mechanics
  • Matchmaking and online services
  • Server setup and multiplayer optimization
  • Widgets and UI fixes
  • Game prototype development support
  • C++ and Blueprint integration
  • Game debugging and bug fixing


I work with UE5 multiplayer systems, replication, Steam integration, VR, Oculus Quest, and Blueprint debugging. I provide fast and professional solutions for multiplayer bugs, replication issues, gameplay.

Get to know John

John

Game development

  • FromUnited States
  • Member sinceMay 2026
  • Avg. response time2 hours
  • Languages

    English, German, French, Italian
I am an experienced Unreal Engine 5 developer specializing in UE5 Blueprint debugging, crash fixing, gameplay systems, multiplayer replication, and performance optimization. I fix packaging failed errors, fatal errors, plugin conflicts, shipping build issues, AI systems, character movement, inventory systems, widgets/UI, animations, save/load systems, and RPC replication bugs. I deliver fast, reliable solutions for indie developers, multiplayer games, and advanced UE5 projects.