Blippi's Playground
Suit Up Games
Roblox Branded Experience25.2M+ visits
Available for new work · Lead Roblox Developer at firebit
Gameplay that
feels great in players' hands.
Hi, I'm Javier Mejia (Javi). I own gameplay features end to end on live Roblox titles: character controllers, camera, combat, VFX, UI, and the polish in between.
Games & Experiences
Shipped Roblox games.
Live-service Roblox titles I've built and contributed gameplay to: branded experiences, original concepts, and everything in between. Combined reach: 50M+ players.
Sweet Dreams
LFG Studio
Roblox Branded Experience1.1M+ visits
Zombie Task Force
ROWG Nation Studio
Roblox Original Experience5.2M+ visits
Sparkles Magical Market
LFG Studio
Roblox Branded Experience3.6M+ visits
Nerf Extraction
Suit Up Games
Roblox Branded Experience2.1M+ visits
Murder Escape
firebit
Roblox Original Experience2.0M+ visits
Sparkles Roleplay
LFG Studio
Roblox Branded Experience1.2M+ visits
Noobz
LFG Studio
Roblox Branded Experience227.8K+ visits
Farm Craze
firebit
Roblox Original Experience23.0K+ visits
Survival Islands
firebit
Roblox Original Experience20.0K+ visits
Digital Products
Developer assets.
Templates, plugins, and tools that speed up your development workflow.
PluginRoblox
Attrify
A powerful attribute system for Roblox games. Easily manage and modify instance attributes.
$4.99Get on itch.io
Open Source
Open-source Roblox tooling.
Libraries and tools I've shipped for Roblox developers: networking, gameplay utilities, project templates, and pipeline tooling used in live titles.
red
Event-driven networking for Roblox: server↔client and server↔server communication used in production live-service titles.
Luau
NetworkingRoblox
roblox-modules
Battle-tested gameplay utilities for Roblox: state, math, signals, instance helpers. The toolbox I reach for on every project.
Luau
UtilitiesRoblox
rojo-template
Production-grade starter for Roblox titles. Rojo, Wally, tests, and CI wired up so you can focus on gameplay from day one.
Luau
TemplateRojo
rblxsync
CLI for syncing Roblox scripts with your local filesystem. Fits existing studio pipelines.
TypeScript
CLITooling
versa-app
Application framework: patterns and abstractions reused across web and game-adjacent tooling.
TypeScript
FrameworkWeb
civic-ledger
A transparent ledger system for civic engagement and public records.
TypeScript
Civic TechWeb