2D Game Developer (Defold), Part-Time AI Game Development - Remote (United States)

OpenTrain AI; United States; Remote; USD 96,000 - 179,000; Part time

Job summary

OpenTrain AI is seeking a part-time, fully remote 2D game developer to create and revise games in Defold using Lua. You will implement mechanics, controls, animations, UI and game logic, while documenting your process and explaining each step as you work.

You will debug issues, optimize performance, write clear task instructions, and capture your screen to provide transparent work sequences. English proficiency at B2+ is required, and US-based contractors are preferred.

Qualifications

• Hands-on Lua scripting experience in 2D game development.
• Strong experience with Defold engine, objects, components, and animations.
• Ability to capture screen while explaining technical workflows.
• Excellent English communication (B2+).

Responsibilities

• Create and revise 2D games in Defold covering mechanics and controls.
• Use Lua to build animations and UI with Defold objects and components.
• Debug issues and optimize game performance.
• Write detailed task instructions and describe workflows in a clear sequence; capture your screen during work.

Skills

Lua scripting

2D game development

Remote work

Tools

Defold Engine

Job description

Create and revise 2D games in Defold, then document your process and explain it as you work.

AI companies need 2D game developers to test systems on real game development work. This project asks you to create and revise 2D games in Defold with Lua, covering game mechanics, player controls, animations, user interfaces and game logic. You will debug problems, improve performance, write clear task instructions, describe each technical workflow in a clear sequence and capture your screen during the work. This is that work, done remotely around your schedule.

What you'll do

• Create and revise 2D games in Defold, covering game mechanics and player controls


• Use Lua to build animations and user interfaces with Defold objects and components


• Debug game issues and optimize performance


• Write detailed task instructions, describe technical processes in a clear sequence, and capture your screen during Defold work

Why this is worth your time

• Get paid $70–$130 an hour


• Work on real 2D game tasks involving mechanics, controls and interfaces with Defold and Lua


• Choose your own schedule for remote contractor work


• Fully remote and flexible, no fixed shifts, no commute

Who this is for

• Strong professional experience with Defold


• Hands-on Lua scripting experience in 2D game development


• Understanding of how Defold objects and components work, along with animations and game logic; access to Defold; able to capture your screen; able to give clear explanations of technical workflows; English at B2 level or higher


• No AI experience needed. Experience with AI or large language model evaluation is helpful, not required.

Pay and details

• $70–$130 per hour, paid hourly as an independent contractor


• Part-time, flexible schedule; fully remote, United States

About OpenTrain AI

OpenTrain AI connects experienced professionals with paid, part‑time AI training work: shaping and improving the AI systems that companies are building right now.