Mindrift is seeking a Freelance Mechanical CAD & Simulation Engineer in Canada to train and evaluate AI agents operating in real CAD environments by designing part geometry and building reference solutions. Candidates must have at least five years of professional CAD modeling experience, their own active professional CAD license, familiarity with Python and GitHub, and B2-level or higher English proficiency. The role is remote and estimated at 10–20 hours per week during active phases.