Freelance Civil Engineering Expert - AI Trainer

Freelance writers, editors, and generalist AI tutors with strong English fluency and solid research skills, no specialized tech degree required. Built by data-labeling company Toloka, Mindrift also opens higher-paying specialized projects (cybersecurity, medicine, law) to domain experts once verified.

General evaluation tasks pay $15-30/hr because they're high-volume, lower-complexity work like basic fact-checking and tone evaluation that doesn't require an advanced degree. Verified domain experts see rates scale up to $40-100+/hr on specialized projects, so the path is to start generalist and build toward a specialist track.

For the top pay tiers, a PhD or current enrollment is usually expected. But the domain assessment is what decides it: if you can solve the problems, the degree becomes secondary.

Usually not. Work runs in campaigns, like training a model specifically on quantum mechanics, that might last a few weeks. Treat it as a high-paying fellowship or grant rather than a permanent daily job.

Tasks here are scoped to STEM, not generic labeling. As a Freelance Civil Engineering Expert - AI Trainer, expect to draw on real domain judgment (evaluating outputs, correcting errors, or providing expert reasoning specific to STEM) rather than following a one-size-fits-all rubric. If you don't have hands-on STEM background, this is likely not the right listing to start with.

AI Training is named directly in the listing. If you don't have hands-on experience with this, expect the screening process to test for it directly rather than accepting adjacent experience as a substitute.

This listing is posted at $55/hr, an hourly rate. Pay can change between when we last checked the listing and when you apply, so confirm the current number on the platform's own application page before committing time.

For this specific role, yes, or near-equivalent professional depth. The credential gate is enforced at the assessment stage, not just on paper. That said, active PhD candidates and people with equivalent published research have qualified without a formal degree. The assessment is the real filter.

This specific role is open only to people based in the United States. If you are somewhere else, applying is unlikely to lead to an offer even if you pass the assessment, because the restriction is usually about where the work can legally be contracted rather than your skills. Read the full description for any tax-residency or right-to-work caveats before you apply.