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FEA Engineer – CalculiX— AI Training (Remote, Freelance)

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About the role

Your final hourly rate will be chosen by our client and determined by your location.

We’re looking for two freelancers with strong expertise in Finite Element Analysis (FEA) using CalculiX, covering stress analysis, buckling, and vibration simulations. Experience applying the software across different engineering contexts is preferred.

Requirements

  • Strong hands-on experience with CalculiX.
  • Expertise in stress analysis, buckling, and vibration analysis.
  • Experience using CalculiX across different applications or engineering domains.
  • Good knowledge of general-purpose meshing software and workflows.
  • Ability to work independently on technical simulation projects.

Engagement: 15–20 hours/week Openings: 2 freelancers Location: US, Canada, UK, or Europe

Engagement

  • Remote, project-based expert role
  • Supporting AI model training and evaluation for a leading AI lab .

Where you can work

This role is 100% remote, for applicants located in these 51 countries: Andorra, Albania, Austria, Åland Islands, Bosnia and Herzegovina, Belgium, Bulgaria, Canada, Switzerland, Cyprus, Czechia, Germany, Denmark, Estonia, Spain, Finland, Faroe Islands, France, United Kingdom, Guernsey, Gibraltar, Greece, Croatia, Hungary, Ireland, Isle of Man, Iceland, Italy, Jersey, Liechtenstein, Lithuania, Luxembourg, Latvia, Monaco, Moldova, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Sweden, Slovenia, Slovakia, San Marino, Ukraine, United States and Vatican City.

From Braintrust's job posting, checked Oct 19, 2026.

About Braintrust

Keep all of your pay: published per-role bands, no talent fees.

How it pays: Weekly; talent keeps 100% (no talent-side fee).

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