Portrait of double9
D9 DEV

double9

Back-end developer & UI designer — FiveM / Lua scripts, system support & monitoring.
DM on Discord Open for full-time

About

double9 does both systems and UI. Designs in Figma, then builds them so they can be used for real. About 3–4 years of experience, and open for full-time work.

Services

New scripts, changes to existing ones, and looking after a server.

  • Write from scratch, or fix and extend

    Start a new script, or repair and extend one that already exists.

  • Maintenance and monitoring

    Look after a server and keep watch on how it is running.

  • Investigate worrying problems

    Check system behavior that looks wrong, and find the cause.

Skills

Tools used on the job.
  • Lua
  • HTML
  • JavaScript / jQuery
  • Vue.js
  • CSS / Tailwind
  • MySQL
  • MongoDB
  • JSON
  • Figma

Projects

Six featured FiveM systems are below. The rest are on the projects page.
May 2026
Inventory Custom
A FiveM inventory with its own UI, built in 2026. It has categories, a weight bar, and a confirm step when giving an item.
  • FiveM
  • Lua
  • Vue
Custom inventory showing categories and item slots
Oct 2025
Inventory
A FiveM inventory with categories. Change a weapon skin from the side panel, open the mailbox, and open a vehicle trunk from the same screen. Giving or dropping an item asks for confirmation. The weapon skin system lives on this card.
  • FiveM
  • Lua
  • Vue
Inventory with a weapon-skin panel
Mar 2026
d9_bingo
Bingo v3.1.0. Entry can be limited by job or group, and a room can require conditions before you join. Drawing a number has a cooldown. Rewards follow winner order, and the room deletes itself when the game ends. Game types are Free, Prize Pool, and Tournament. Open the board with /bingoboard.
  • FiveM
  • Lua
  • Vue
Bingo board in Free mode
Jun 2025
Gang System
A gang list with search, filters, and a member panel for the gang you open.
  • FiveM
  • Lua
  • Vue
Gang list
Jun 2026
Fashion Showcase
A fashion showcase with a themed UI. It has Prop and Ped modes, a smooth camera, several items at once, and a heading you can drag.
  • FiveM
  • Lua
  • Vue
Watch the video
Fashion showcase with camera controls and an item list
Dec 2025
Story Mode
A story-room list with a status on each room. The lobby splits players into two teams, can take a password, and starts the match.
  • FiveM
  • Lua
  • Vue
Story Mode room list
See all projects

Contact

DM double9 on Discord.
DM on Discord
D9 DEV · double9 · 2026