Mindrift is seeking freelance Mechanical CAD & Simulation Engineers to train and evaluate AI agents working within CAD environments by designing geometry, building reference solutions, and judging model outputs. Candidates must hold a relevant degree, possess 5+ years of professional CAD modeling experience, own an active CAD license, and be proficient in Python and GitHub. The role is remote for contributors based in Romania, Poland, Czechia, Hungary, or Slovakia with English proficiency at B2 level or above.