I will fix your fivem qbcore esx and qbox server bugs fast

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lucasfivemdev
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lucasfivemdev
Lucas Mark

About this gig

Are you facing script errors, crashes, lag, inventory issues, job bugs, or poor performance on your FiveM server? You need a reliable FiveM Developer who understands how to fix problems fast and professionally.


I specialize in FiveM, QBCore, ESX, QBox, and complete FiveM Server development. From fixing broken FiveM Script resources to improving server speed, stability, and player experience, I deliver clean and tested solutions.


I can help with inventory bugs, police jobs, gang systems, dispatch, MDT, custom jobs, MLO installation, EUP setup, anti cheat setup, database issues, and full QBCore Server optimization. As an experienced QBCore Developer, I work on both purchased and custom resources.


Services include FiveM QBCore, ESX, QBox, custom scripts, bug fixing, optimization, and full setup for serious RP servers.


Message me before ordering so I can review your issue and provide the best solution for your server.


Related#tag

#fivem #qbcore #esx #qbox #fivemserver #fivemdeveloper #fivemscript #qbcoredeveloper #serverfix #fivemdev

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Get to know Lucas Mark

Lucas Mark

Expert FiveM Developer for QBCore ESX QBox Server Solutions

  • FromUnited Kingdom
  • Member sinceMay 2026
  • Languages

    English, German, Spanish
I am Lucas Mark, an expert FiveM developer specializing in QBCore, ESX, QBox, custom scripts, server optimization, bug fixing, MLO installation, EUP setup, anti cheat integration, and full RP server development. I help server owners build stable, fast, and professional FiveM servers that players love. From fixing script errors to complete server setup, I deliver clean work, fast communication, and reliable long term support. Client satisfaction and quality delivery are always my top priority.

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