OpenSCAD Developer (English)

You will create and modify 2D and 3D CAD models in OpenSCAD. The work focuses on parametric, script-based modeling and on explaining CAD workflows clearly so AI systems can better understand design and modeling.

• Create accurate and complex CAD models in OpenSCAD.
• Build parametric models using scripts, loops, reusable modules, functions, and OpenSCAD syntax.
• Use Boolean operations, transformations, and extrusion techniques.
• Troubleshoot modeling problems and improve CAD designs.
• Complete advanced OpenSCAD tasks and explain each workflow step by step.
• Write clear instructions and detailed prompts for CAD modeling workflows.

What it pays and takes

This is remote, part-time contractor work for candidates in the countries listed for the role.

• Pay: $65 to $123 per hour.
• Work type: Remote, part-time contractor work.
• Location: Open to candidates in Algeria, Argentina, Austria, Bahrain, Bangladesh, Belgium, Brazil, Canada, Chile, Colombia, Denmark, Egypt, France, Germany, Ghana, Greece, India, Indonesia, Italy, Japan, Jordan, Kazakhstan, Kenya, Kuwait, Kyrgyzstan, Lebanon, Malaysia, Mexico, Morocco, the Netherlands, Nigeria, Oman, Pakistan, Palestinian Territories, Peru, the Philippines, Portugal, Qatar, Saudi Arabia, Singapore, South Africa, Spain, Sri Lanka, Switzerland, Taiwan, Thailand, Tunisia, the United Arab Emirates, the United Kingdom, the United States, Uzbekistan, and Vietnam.
• Language: English proficiency at B2 level or higher.
• Required: Strong professional experience with OpenSCAD and parametric, script-based 3D modeling.
• Required: Understanding of OpenSCAD syntax, modules, functions, and Boolean operations.
• Required: Access to OpenSCAD and the ability to record your screen while completing tasks.
• Required: Strong technical communication skills.
• Helpful: A master's degree or PhD in Mechanical Engineering, Product Design, or a related field.
• Helpful: Experience with human data, data annotation, reinforcement learning from human feedback, or AI model evaluation.
• Helpful: A portfolio or GitHub projects showing OpenSCAD expertise, plus experience with 3D printing, mechanical design, or procedural modeling.

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 modern AI systems, including creating examples, reviewing model outputs, and explaining expert workflows. OpenTrain helps people find these projects, build a profile, and apply in one place.