Mindrift is seeking freelance Mechanical CFD Engineers to train and evaluate AI agents on expert-level fluid simulation tasks by running simulations, building verified reference solutions, and writing Python checks. Candidates need a relevant degree, hands-on CFD experience with tools like OpenFOAM or ANSYS Fluent, Python and GitHub familiarity, and at least B2 English proficiency. The remote role is open to applicants in Sweden, Denmark, Finland, Norway, Austria, and Belgium.