2D Game Developer (Defold) (English)

You will complete advanced 2D game development tasks that help improve AI systems’ understanding of game development. You will use Defold and Lua while documenting your workflow clearly.

The work includes building and modifying game mechanics, player controls, animations, user interfaces, and game logic. You will also debug issues, improve performance, write clear instructions and prompts, and record your screen while working in Defold.

• Develop and modify 2D games with the Defold game engine.
• Use Lua, game objects, components, animations, and gameplay systems.
• Build and improve player controls, game mechanics, and user interfaces.
• Debug problems and optimize game performance.
• Explain technical workflows step by step and create detailed task instructions.
• Record your screen while completing work in Defold.

What it pays and takes

This is a remote contractor role with flexible scheduling.

• Pay: $70 to $130 per hour.
• Work style: Remote contractor role with flexible scheduling.
• Location: Open to candidates in the listed countries across North America, South America, Europe, Africa, Asia, and the Middle East.
• Language: English proficiency at B2 level or higher.
• Required: Strong professional experience with the Defold game engine.
• Required: Hands-on experience with Lua scripting and 2D game development.
• Required: Understanding of Defold game objects, components, animations, and game logic.
• Required: Access to Defold and the ability to record your screen during work.
• Required: Ability to explain technical workflows clearly.
• Helpful: A portfolio of completed 2D games or Defold projects.
• Helpful: A relevant master’s degree or PhD, or previous experience with data annotation, RLHF, or AI model evaluation.

How it works

You apply here in about two minutes and finish on the hiring platform. The next step is a short AI interview (technical roles include a coding challenge). Passing it is how you qualify for paid tasks, so take it soon after you are invited.

The hiring platform's application for this job asks for your resume, your LinkedIn profile, your phone number, your location and answers to 6 screening questions.

About AI training work

AI training is the human work behind artificial intelligence, including creating examples, reviewing model outputs, and evaluating technical content. People with software development experience help AI systems learn how code and game development work in practice. OpenTrain helps people find these projects, build a profile, and apply in one place.