Mindrift is seeking a Freelance Mechanical CFD Engineer to train and evaluate AI agents on expert-level fluid simulation tasks by preparing CAD geometry, running simulations, and writing Python checks. Applicants must have a degree in Mechanical or Aerospace Engineering (or related discipline), hands-on CFD experience, Python familiarity, and at least B2 English proficiency. The position is open to remote candidates located in Uruguay, Costa Rica, Ecuador, and Jamaica.