OpenTrain · General projects
FreeCAD Expert (BIM & IFC Focus)
Listed on OpenTrain as “FreeCAD Expert (BIM & IFC Focus)”
How this rate compares
This listing
$65–$123 per hour
Typical in General projects
$50–$65 per hour
Within the typical range
Typical: the middle of the lowest and highest rates posted by 134 listings in this category on MantaWork, in US dollars.
What this actually is
You complete short labeling tasks, record everyday activities, or evaluate AI outputs across general knowledge domains. Open to most backgrounds. The platform title (FreeCAD Expert (BIM & IFC Focus)) reflects the rate band and the expertise required, not the day-to-day work.
Original posting from OpenTrain
Work location: Remote from: United Arab Emirates, Argentina, Austria, Bangladesh, Belgium, Bahrain, Brazil, Canada, Switzerland, Chile, Colombia, Germany, Denmark, Algeria, Egypt, Spain, France, United Kingdom, Ghana, Greece, Indonesia, India, Italy, Jordan, Japan, Kenya, Kyrgyzstan, Kuwait, Kazakhstan, Lebanon, Sri Lanka, Morocco, Mexico, Malaysia, Nigeria, Netherlands, Oman, Peru, Philippines, Pakistan and more
The work
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.
Quoted from OpenTrain's public listing on 2026-11-15. We don't edit platform copy; honest framing is in the title and the “what this actually is” block above.
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About OpenTrain
A marketplace where AI teams post paid data work. Data collection jobs include at-home video recording, first-person chore footage and 360-camera vlogging. Most pay per hour of approved video. Each job lists its pay and countries.
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