Mindrift is seeking a Freelance Mechanical CFD Engineer to train and evaluate AI agents on expert-level fluid simulation tasks by setting up simulations, creating reference solutions, and writing Python evaluation checks. Candidates must have a relevant engineering degree, hands-on industry or research CFD experience, familiarity with Python and GitHub, and at least B2 English proficiency. The role is open to applicants based in Japan, South Korea, New Zealand, or Singapore.