Mindrift is seeking a Freelance Mechanical CFD Engineer to train and evaluate AI agents on expert-level fluid simulation tasks. Candidates must have a degree in Mechanical or Aerospace Engineering (or related field), hands-on CFD experience with OpenFOAM, ANSYS Fluent/CFX, or STAR-CCM+, familiarity with Python and GitHub, and B2+ English proficiency. The role is open to applicants in Sweden, Denmark, Finland, Norway, Austria, and Belgium.