Pay: $63–$122 per hour, paid hourly as an independent contractor. Part-time, flexible schedule; fully remote, United States You will support AI training through practical engineering design tasks, creating and reviewing CAD models, explaining design decisions, and giving technical feedback that helps improve AI systems’ understanding of parametric modeling. What you will do: - Create and edit 2D and 3D CAD models in SolveSpace. - Build parametric sketches, dimensions, and geometric constraints. - Demonstrate practical CAD modeling and engineering workflows. - Explain and document each step of your design process. - Review technical tasks and provide accurate feedback for AI model improvement. - Maintain accuracy and quality across completed work. What you bring: - Fluent in English. - Professional hands-on experience using SolveSpace. - Strong understanding of parametric CAD modeling, 2D sketches, and 3D design. - Current access to SolveSpace. - Ability to explain technical workflows clearly, with strong attention to detail and communication skills. - Helpful background in mechanical engineering, product design, or industrial design. Why this work: - Fully remote and flexible, no fixed shifts, no commute. - Apply practical engineering judgment to real AI training tasks. - Help improve how AI systems understand parametric modeling. How to apply: 1. Apply on OpenTrain (about two minutes): https://app.opentrain.ai/api/out/cmvun6mtv005m08jvk240lbqp?ch=cadjobs&sub=cadjobs-cmvun6mtv-us-2026-11 2. Complete the application on the hiring platform. 3. If shortlisted, take a short AI interview. The result holds no passwords, codes or payment data.