Mindrift is seeking a CFD Engineer in Germany to train and evaluate AI agents on expert-level fluid simulation tasks by setting up simulations, creating reference solutions, and writing Python checks. Applicants must have a degree in Mechanical or Aerospace Engineering (or a related field), hands-on experience with CFD tools like OpenFOAM, ANSYS Fluent/CFX, or STAR-CCM+, Python/GitHub skills, and at least B2 English proficiency. The position is a remote freelance role expected to require 10–20 hours per week during active phases.