Mindrift is seeking freelance Mechanical CFD Engineers based in select Latin American countries to train and evaluate AI agents on advanced fluid simulation tasks. Responsibilities include taking CAD geometry, running simulations, creating verified reference solutions, and writing Python checks. Candidates must hold a relevant engineering degree, have hands-on CFD experience with tools like OpenFOAM or ANSYS Fluent, know Python and GitHub, and possess English skills at a B2 level or higher.