Mindrift is seeking a Freelance Mechanical CFD Engineer to train and evaluate AI agents on expert-level fluid simulation tasks, set up simulations, and write Python checks. Candidates need a relevant engineering degree, hands-on CFD experience with tools like OpenFOAM or ANSYS Fluent, Python and GitHub familiarity, and at least B2 English proficiency. The role is open to applicants in Romania, Poland, Czechia, Hungary, Slovakia, and Bulgaria.