I will develop custom fivem scripts, fix qbcore bugs, and setup fivem servers

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John O

About this gig

Most FiveM servers fail due to unoptimized QBCore files or broken job scripts. I provide expert FiveM development to fix technical debt and build high-performance servers that keep your community engaged.


Common Problems I Solve:

  • High Resmon/Lag: I optimize Lua scripts to ensure peak FPS and smooth gameplay.
  • Buggy Frameworks: I debug QBCore & ESX errors and database conflicts.
  • Generic Gameplay: I create custom FiveM job scripts unique to your server.
  • Broken MLOs: I handle FiveM map edits and fix texture/collision issues.


Services Included:

  • Full FiveM server setup (Server-ready files).
  • Custom UI/UX & Inventory modifications.
  • Database optimization & SQL cleanup.
  • Anti-cheat integration & security patches.


Why Choose Me?

  • Clean, Commented Code: Easy for you to edit later.
  • Bug-Free Guarantee: Every script is tested before delivery.
  • Fast Support: Quick fixes for any post-delivery questions.


Transform your server today. Message me for a custom quote.


Get to know John O

John O
  • FromUnited States
  • Member sinceDec 2025
  • Languages

    English, German, Spanish
I am a professional FiveM developer specializing in custom ESX, QBCore, and standalone scripts, advanced job systems, police/EMS systems, inventory systems, UI/HUD design, anti-cheat, and server optimization. I help clients fix broken servers, remove errors, build custom features, and create smooth roleplay experiences. If you need reliable, fast, and high-quality FiveM scripting or troubleshooting, I’m here to deliver.