Mindrift is seeking freelance Mechanical CFD Engineers based in the Philippines, Malaysia, Indonesia, or South Africa to help train and evaluate AI agents on expert-level fluid simulation tasks. Candidates must have a relevant engineering degree, hands-on CFD experience with tools like OpenFOAM or ANSYS Fluent, Python and GitHub proficiency, and at least B2-level English. Responsibilities include setting up simulations from CAD geometry, creating verified reference solutions, and writing Python verification checks.