Mindrift is seeking a freelance AI Trainer to help train and evaluate AI agents on expert-level fluid simulation tasks by running simulations and writing Python checks. Candidates need a degree in Mechanical or Aerospace Engineering (or related field), several years of hands-on CFD experience with tools like OpenFOAM or ANSYS Fluent, Python and GitHub familiarity, and at least B2 English proficiency. The role is remote with estimated workloads of 10–20 hours per week during active phases.