Who’s Training AI?

Patent attorneys at $150/hr. Quantum physicists at $90/hr. Wetlab biologists, mechanical engineers, ophthalmologists. These are real listings from our database of AI training opportunities.

The “Freelance AI Trainer” Role

One pattern we see across our listings: the “Freelance AI Trainer” role. These are not traditional tech jobs. They are roles where your existing professional expertise is the qualification.

Based on what we have collected, the requirements across these roles tend to be:

  • Deep domain expertise (PhD, JD, or equivalent experience)
  • Python proficiency (for technical roles, but many list none)
  • No prior AI experience needed

Real Roles, Real Pay

Every listing below was active in our database as of early June 2026.

Patent Attorney (US-qualified)

$100-$150/hr

US-qualified patent attorneys review and annotate AI-generated patent claims and descriptions. The work involves training AI models on patent law. No AI experience required, just deep legal expertise.

Source: Mindrift, Mercor

Contracts Attorney (US Law)

$50/hr

Contracts attorneys review and annotate legal documents to improve AI understanding of contract law. Multiple listings with the same role across different projects.

Source: Mindrift

Corporate Attorney

$100-$150/hr

Corporate attorneys review AI-generated legal content for accuracy and compliance. The largest demand so far involved 104 lawyers hired recently for one project alone.

Source: Mercor, Mindrift

Quantum Research Scientist (Python)

$70-$90/hr

Quantum research scientists develop and refine AI models for quantum computing applications. Requires PhD-level physics knowledge combined with Python programming.

Source: Mindrift

Research Physicist

$70-$90/hr

Physicists at all levels from PhDs to postdocs are training AI on physics concepts. 22 were hired recently for quantum, electrodynamics, and classical mechanics projects.

Source: Mindrift, DataAnnotation

Mechanical Engineer & Python Expert

Varies

Mechanical engineers with Python experience develop and refine AI models for mechanical engineering applications. One of the most frequently listed domain-expert roles.

Source: Mindrift

Wetlab Protocol Specialist

Varies

Biologists and wetlab scientists train AI on laboratory protocols. The goal is teaching AI to understand real scientific workflows from PCR to protein purification.

Source: Mindrift

Financial Analyst / Model Reviewer

$80-$110/hr

Financial experts audit AI-generated financial models for accuracy. DCFs, LBOs, 3-statement models. If you built them in finance, AI companies will pay you to teach them.

Source: Mindrift, DataAnnotation, Mercor

Ophthalmologist

$300

Medical doctors specializing in ophthalmology contribute expertise to AI training for medical imaging and diagnosis. A single high-value consulting engagement.

Source: Handshake AI

Optical Engineer (Python)

Varies

Optical engineers with Python skills train AI on optics, photonics, and imaging systems. Another example of specialized STEM expertise finding an AI application.

Source: Mindrift

What These Roles Have in Common

Looking across our domain-expert listings, the common thread is not AI experience. It is deep, real-world professional knowledge.

A patent attorney listing at $150/hour, a physicist role at $90/hour. The companies posting these are looking for people who understand their field, not people who understand AI.

The Python requirement that appears in some listings is usually described as basic proficiency. Many of these roles list no technical requirement at all.

Who Is Hiring

In our database, Mindrift has the most domain-expert listings with 495 active gigs across law, science, engineering, and finance. Mercor focuses on professional services. DataAnnotation has a mix of generalist and specialist roles.

Many of these companies post on Indeed under titles like “AI Trainer,” “AI Evaluator,” or “Content Editor - AI Trainer.”

Find these roles on GigCollect

Every role listed above is sourced from real, active opportunities in the GigCollect database. New domain-expert roles are added daily. See what’s available right now.

Browse Active Gigs →

Why These Listings Exist

Based on what we have observed, specialized domain knowledge appears to be increasingly valued in AI training. The listings in our database reflect this trend across law, finance, medicine, science, and engineering.

What This Means For You

If you have deep expertise in a professional field, law, finance, medicine, science, or engineering, there are AI training listings in our database that list rates of $50-$150/hour.

The platforms with the most domain-expert listings in our data: Mindrift (495 gigs), Mercor (professional services focus), DataAnnotation (mix of roles), and Alignerr.

Based on what we track, many of these listings do not require a technical background.

All roles listed were verified as active, approved opportunities in the GigCollect database as of June 2026. Pay ranges reflect listed rates on source platforms. Individual outcomes vary.

Browse active gigs on GigCollect →