Mindrift is seeking a CFD Engineer to help train and evaluate AI agents on expert-level fluid simulation tasks by taking CAD geometry, running simulations, creating verified reference solutions, and writing Python verification checks. Candidates must hold a degree in Mechanical or Aerospace Engineering (or related fields), have hands-on industry/research CFD experience, Python skills, and English proficiency at B2 level or above. The position is a remote freelance opportunity open to applicants in Romania, Poland, Czechia, Hungary, Slovakia, and Bulgaria.