Mindrift is seeking a Freelance Mechanical CFD Engineer to help train and evaluate AI agents on expert-level fluid simulation tasks by preparing CAD geometry, running simulations, creating verified solutions, and writing Python checks. Candidates need a degree in Mechanical or Aerospace Engineering (or a related field), hands-on CFD experience with tools like OpenFOAM, ANSYS Fluent/CFX, or STAR-CCM+, proficiency in Python and GitHub, and B2-level English. Applicants must be based in Japan, South Korea, New Zealand, or Singapore.