Mindrift is looking for a freelance Mechanical CFD Engineer to train and evaluate AI agents on fluid simulation tasks. Candidates must have a degree in Mechanical or Aerospace Engineering, several years of hands-on CFD experience (e.g., OpenFOAM, ANSYS Fluent, STAR-CCM+), familiarity with Python and GitHub, and B2+ English proficiency. The role is remote and open to contributors based in Brazil, Argentina, Colombia, Chile, Mexico, and Peru.