FEA Engineer – CalculiX— AI Training (Remote, Freelance)
Remote in 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, Vatican City
Some links on AITraining.jobs are referral links. If you sign up through one, AITraining.jobs may earn a commission at no extra cost to you. It never changes what a platform pays you.
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).
Similar open roles
Some links on AITraining.jobs are referral links. If you sign up through one, AITraining.jobs may earn a commission at no extra cost to you. It never changes what a platform pays you.

Crash Testing Engineer – OpenRadioss— AI Training (Remote, Freelance) (opens the job details)
Braintrust · Domain Experts · Remote· todayDetails
$40–$90/hr
Mechanical Engineering Expert (MSc. or PhD) (opens the job details)
micro1 · Domain Experts · Remote· 2d agoDetails
$60–$120/hr
Senior Electronics Quality Engineer (opens the job details)
micro1 · Domain Experts · Remote· 2w agoDetails
$70–$120/hr
CFD Engineer (opens the job details)
micro1 · Domain Experts · Remote· 1mo agoDetails
$50–$150/hr
Computational Engineering Researcher (Task Author) (opens the job details)
AfterQuery · Domain Experts · Remote· 3d agoDetails
$100/hr
A licensed or credentialed professional?
One profile for every AI training platform. Companies ask us for people with a specific language, country or credential: add yours once, and when a role fits, we introduce you, only with your yes. Free.
Get new Braintrust roles by email
We check the Braintrust job board every hour and email you its newest roles each week, plus similar paid roles elsewhere. Free, unsubscribe anytime.