Suphawich Changfang

SuphawichCBusiness@proton.me

$ WHOAMI

Gameplay, systems, and custom tools for polished Roblox experiences.

Roblox-focused software engineer with 10 years of experience building gameplay, UI, backend systems, effects, and production tooling.

[ Selected Work ]

Past Experience

Project Gallery

Rotating Preview

Rotating shipped work. Click a card to open the project.

Gameplay Programmer · Contract

2024 - 2025

Splash

Shipped
Splash

Built systems for a skate, music, and club-building experience, including runtime package importing, Kaimix dialogue and UI, builder tags for 3D behavior, and the skate gym tutorial flow.

Owned feature work that connected building tools, onboarding, and interactive world behavior.

  • Luau
  • UI systems
  • Gameplay scripting
Open experience

Programmer

2019 - 2020

Lifting Simulator

Shipped

Visits: 553M visits

Lifting Simulator

Implemented global top-1000 leaderboards, player stat tracking, monetization products, and a system for finding and joining servers of leaderboard players.

Worked on progression visibility, monetization support, and social server discovery.

  • Leaderboards
  • Economy
  • Server tools
Open experience

Programmer

2018 - 2019

Super Power Training Simulator

Shipped

Visits: 247M visits

Super Power Training Simulator

Implemented private server commands through chat, combat and camera handling, monetization products, and item gifting for a superhero training game.

Contributed to controls, combat feedback, and monetization systems for a large-scale simulator.

  • Chat commands
  • Combat systems
  • Monetization
Open experience

Programmer

2019 - 2020

OP Ninja Simulator

Shipped

Visits: 111M visits

OP Ninja Simulator

Developed combat-side effects, animations, hit detection, crit calculations, honor stat logic, and cheat-prevention sanity checks for weapon handling.

Strengthened combat feedback while hardening weapon validation against abuse.

  • Combat systems
  • Animation
  • Anti-cheat
Open experience

Programmer

2020 - 2023

Time Attack!

Shipped
Time Attack!

Owned nearly every technical layer of the game: HUD, inventory, store, settings, perks, finishers, emotes, server loops, data saves, Robux purchases, internal utilities, and implementation polish.

Served as the primary programmer across gameplay, UI, backend systems, effects, and tools.

  • Full-stack gameplay
  • Datastores
  • Audio/VFX
Open experience

[ Toolkit ]

Demos, custom utilities, and platform-specific skills that support shipping cleaner gameplay faster.

Live demo

Link

Floating Orbs

A small Roblox demo centered on motion, effects, and interaction feel.

Launch demo

Live demo

Link

Shockwaves

Effect and gameplay-response prototype focused on impact presentation.

Launch demo

RDC 2022 showcase

Note

Black Hole Simulation

Parallel Luau black hole simulation showcased at Roblox Developers Conference.

Custom Tools

5
  • Automatic PNG Compressor using TinyPNG API
  • Base64 image to PNG converter
  • GUI handler module
  • Custom networking module
  • Custom signal module

Roblox Essentials

8
  • Luau / Lua
  • Roblox Studio
  • Gameplay systems
  • UI and player input
  • Client-server networking
  • Datastores and persistence
  • Character and camera control
  • Touch device support

Advanced Skills

10
  • Server-side authority and validation
  • Network ownership and unreliable remotes
  • Raycasting, sphere casts, and block casts
  • Physics, CFrame math, and vector math
  • Parallel Luau and asynchronous systems
  • Data compression and serialization
  • Plugin development and custom tools
  • Procedural generation and voxel terrain
  • GitHub Actions
  • Linux

[ Contact ]

Open to gameplay, systems, and tooling work where polish and iteration speed both matter.