FreeCAD Expert (BIM & IFC, English)

OpenTrain AI, Inc.; United States; Remote; USD 90,000 - 169,000; Part time

Job summary

OpenTrain AI, Inc. is seeking a part-time contract specialist to support AI training through FreeCAD BIM tasks. You will create and review BIM models, enhance IFC compatibility, and document workflows so others can reproduce results.

The role requires hands-on FreeCAD experience, knowledge of BIM/IFC workflows, and the ability to clearly explain steps. Candidates in the United States with English at B2+ are encouraged to apply.

Qualifications

• Strong FreeCAD experience and BIM workflow knowledge.
• Experience with IFC file formats and BIM tools.
• Fluent English at B2 level or higher.
• Ability to record screen and explain workflows clearly.
• Relevant degree or higher is preferred.

Responsibilities

• Create and modify 3D CAD and BIM models in FreeCAD.
• Review BIM models for IFC compatibility.
• Explain workflows clearly for reproducibility.
• Record screen while performing tasks.
• Provide prompts and workflow guidance for BIM tasks.

Skills

FreeCAD

IFC modeling

English proficiency (B2+)

Workflow documentation

Education

Master's degree in Architecture

PhD in Architecture or Civil Engineering

Tools

AutoCAD

Revit

FreeCAD

Job description

Create, validate, and troubleshoot FreeCAD BIM and IFC models while explaining technical workflows and recording your screen. This part-time contract role pays $65 to $123 per hour.

Remote Hourly · $65–$123/hr

$65–$123/hr

Compensation

Contract, part-time

Engagement

Remote

Location

Posted

Open in 52 countries

• Argentina
• Austria
• Canada
• Chile
• Colombia
• Egypt
• France
• Germany
• Ghana
• Greece
• India
• Italy
• Japan
• Jordan
• Kyrgyzstan
• Lebanon
• Malaysia
• Mexico
• Morocco
• Netherlands
• Oman
• Pakistan
• Philippines
• Portugal
• Qatar
• South Africa
• Spain
• Sri Lanka
• Tunisia
• United Arab Emirates
• United Kingdom
• United States
• Vietnam

The work

You will support AI training by completing realistic architectural and engineering modeling tasks in FreeCAD. The work includes creating and reviewing BIM models, improving IFC compatibility, and explaining each workflow clearly enough for others to reproduce.

• Create and modify 3D CAD and BIM models in FreeCAD.
• Work with architectural elements, building structures, BIM tools, and IFC files.
• Create, edit, and validate IFC-compatible models.
• Troubleshoot modeling issues and improve IFC compatibility.
• Complete advanced BIM tasks and explain each step in plain, detailed instructions.
• Write prompts and workflow guidance for BIM and IFC tasks.
• Record your screen while completing modeling work.

What it pays and takes

The work is open to candidates in the listed countries across the Americas, Europe, Africa, Asia, and the Middle East.

• Pay: $65 to $123 per hour.
• Language: English proficiency at B2 level or higher.
• Strong, hands-on experience with FreeCAD.
• Practical experience with BIM modeling and IFC file formats.
• Understanding of architectural modeling, 3D CAD, and BIM workflows.
• Access to FreeCAD and the ability to record your screen during work.
• Ability to communicate technical workflows clearly.
• Helpful: a master's degree or PhD in Architecture, Civil Engineering, or a related field.
• Helpful: experience with AutoCAD, Revit, or other BIM software.
• Helpful: professional experience in architecture, engineering, or construction.
• Helpful: previous human data work such as annotation, RLHF, or AI model evaluation.

About AI training work

AI training is the human work behind artificial intelligence, including preparing examples, reviewing outputs, and recording or evaluating useful data. People with strong subject knowledge can help produce reliable training material for specialized tasks such as architecture, engineering, and BIM modeling.