Freelance Mechanical CFD Engineer - AI Trainer
Train and evaluate AI agents on expert-level fluid simulation tasks. You will perform CAD setup, run simulations, and write Python checks. This is a remote, part-time freelance role.
The English-language job board for Spain
87,000+ live jobsThe ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
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.
For this project, tasks are estimated to require around 10-20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active.
On this project, contributors can earn up to $31 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.
Submitting your CV
Completing assessments or interviews
In your own time
Language assessments, skills tests or an automated AI-led interview, alone or combined, done on your own schedule.
Verifying your identity · In your own time · 1–5 days
Joining a project and onboarding
In your own time
Review project guidelines and join the project Discord, or wait in a talent pool until a project opens.
Mindrift (formerly Toloka AI) is a global AI data platform that connects businesses with a distributed network of freelance professionals who train, evaluate, and improve AI models. The company operates a marketplace where companies post tasks ranging from data annotation and AI evaluation to software engineering, and independent experts complete them remotely. With a workforce of millions worldwide, Mindrift is a key player in the AI data supply chain, serving clients that include major tech companies.
Mindrift has a significant presence in Spain, with numerous remote freelance roles open to professionals across the country, including positions for AI training specialists, software engineers, and data scraping experts. The company's fully remote work model is particularly attractive to international professionals, as it allows them to work from anywhere in Spain without the need for relocation. Their platform offers flexible, project-based work, making it a viable option for skilled individuals looking to supplement their income or transition to freelance work.
or browse Mid-level·Remote·Artificial Intelligence·AI Data