Senior CFD Engineer (OpenFOAM / ANSYS Fluent) - Freelance AI Trainer
Mindrift · Remote, USA · Coding / software engineering
Senior CFD Engineer (OpenFOAM / ANSYS Fluent) - Freelance AI Trainer is an open role at Mindrift, available remotely, with pay listed as Up to $69/hr.
Applications open on Mindrift’s own site. How we make money.
At a glance
- Pay
- Up to $69/hrEstimate, from Mindrift’s own wording
- Location
- Remote, United States
- Time commitment
- About 10-20 hours a week during active phases
- Experience
- Several years of practical CFD work in industry or research, including meshing
- Education
- Mechanical or aerospace engineering degree, or an adjacent field like energy
- Languages
- English, B2 or higher
- Work type
- Coding / software engineering
- Listed
- Since Oct 6, last confirmed Oct 19
As listed by Mindrift: “On this project, contributors can earn up to $69 per hour equivalent, depending on their level and pace of contribution. Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.”
The work
Set up and run fluid simulations from CAD models, create checked reference answers, and write Python scripts that test AI agents' outputs.
What you would do
- Prepare and run fluid simulations from CAD geometry
- Produce validated reference solutions
- Write Python scripts that check the agent's output
You're a fit if you
- have several years of practical CFD experience
- run mesh-independence studies and validate results against experiments or benchmarks
- work confidently in Python and GitHub
- can work in English at B2 or higher
Summarised by HumanSourcer from Mindrift’s listing. Check the listing before you apply.
How the pay compares
Higher than 42% of the 113 distinct hourly rates advertised for Coding / software engineering roles right now. Hourly USD, top of each advertised range, one count per distinct rate. Same method as the Pay Index.
From Mindrift’s listing
“[](https://toloka-ai.workable.com/backend/jobs/5024199/edit)About the role Help train and evaluate AI agents on expert-level fluid simulation tasks. You'll take CAD geometry, set up and run simulations, build verified reference solutions, and write Python checks for the agent's results.”
About Mindrift: part of Toloka. See the full profile →
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Frequently asked questions
How do I apply for the Senior CFD Engineer (OpenFOAM / ANSYS Fluent) - Freelance AI Trainer role at Mindrift?
Applications go through Mindrift's own portal - HumanSourcer links to the listing and never collects applications or handles hiring. Mindrift's access model is "Open / self-serve" (Open roles / applications). This listing was first seen here on October 6, 2026 and was still live at the last check.
Is the Senior CFD Engineer (OpenFOAM / ANSYS Fluent) - Freelance AI Trainer role at Mindrift remote?
Yes - Mindrift lists this role as remote.
What does the Senior CFD Engineer (OpenFOAM / ANSYS Fluent) - Freelance AI Trainer role at Mindrift pay?
Mindrift indicates Up to $69/hr for this role, but hedges the figure rather than committing to it. Treat it as an indication: HumanSourcer flags hedged pay instead of presenting it as a firm rate, and the listing's own wording is quoted in the Pay section above.
What kind of work is Senior CFD Engineer (OpenFOAM / ANSYS Fluent) - Freelance AI Trainer?
Coding / software engineering. AI training, reasoning, coding, multilingual evaluation
Is Mindrift a legitimate AI-training platform?
Toloka contributor work migrated to Mindrift - and that relationship is rated "Confirmed" here because it can be checked against mindrift.ai rather than taken on Mindrift's word. Confidence describes how well the ownership is evidenced. It is not a rating of how the platform treats the people who work for it, which no public source covers reliably.
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