micro1 is seeking Senior Mechanical Design Engineers for a remote, part-time contractor role (~15 hours/week) to help train next-generation AI models on complex CAD assemblies. Key tasks include analyzing multi-part assemblies, formulating advanced technical questions, validating CAD-based answers, and reviewing AI outputs for mechanical reasoning accuracy. Applicants must possess 5+ years of professional CAD assembly design experience, parametric CAD expertise, and strong written English skills.