FreeCAD Expert (BIM & IFC Focus)

You will create realistic architectural and engineering models in FreeCAD to support AI training. The work includes building, editing, checking, and troubleshooting BIM and IFC models, then explaining the workflow clearly so it can be reproduced.

• Create and modify 3D CAD and BIM models using FreeCAD.
• Work with architectural elements, building structures, and IFC files.
• Develop and validate BIM models with FreeCAD BIM tools.
• Troubleshoot modeling issues and improve IFC compatibility.
• Complete advanced BIM tasks and explain each step clearly.
• Write instructions and detailed prompts for BIM and IFC workflows.
• Record your screen while completing modeling tasks.

What it pays and takes

This is a part-time contractor role open to candidates across more than 50 countries in the Americas, Europe, Africa, Asia, and the Middle East. English proficiency at B2 level or higher is required.

• Pay: $65 to $123 per hour.
• Work type: Part-time contract work.
• Location: Open to candidates in the countries supported for this role across the Americas, Europe, Africa, Asia, and the Middle East.
• Strong, hands-on professional experience with FreeCAD.
• Practical experience with BIM modeling and IFC file formats.
• Understanding of architectural modeling, 3D CAD, and BIM workflows.
• Ability to create, edit, and validate IFC-compatible models.
• Access to FreeCAD and the ability to record your screen during work.
• Ability to explain technical workflows clearly.
• Helpful background: a master's degree or PhD in Architecture, Civil Engineering, or a related field.
• Relevant additional experience includes AutoCAD, Revit, other BIM software, architecture, engineering, construction, 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 5 screening questions.

About AI training work

AI training is the human work behind artificial intelligence, including preparing and reviewing examples that help models learn. OpenTrain is a free platform where people find AI training and data-labeling projects, build a profile, and start applications.