This freelance role entails training and evaluating AI agents on fluid simulation tasks by preparing CAD geometry, running simulations, creating verified reference solutions, and writing Python checks. Candidates need a degree in Mechanical or Aerospace Engineering (or related field), industry or research CFD experience, and proficiency with Python and GitHub. The position is open to applicants based in Sweden, Denmark, Finland, Norway, Austria, or Belgium with at least B2 English proficiency.