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Which companies hire experts to train AI models?

Direct answer

AI labs rarely recruit expert contributors directly. They work through AI talent platforms that source, screen and contract specialists on their behalf — Mercor, Micro1, SuperAnnotate and Handshake AI are four that recruit openly.

Between them, 2,818 expert roles are open right now across 30 professional categories, from software engineering and law to medicine, languages and structural engineering.

The platforms

922~~Mercor~~

861~~Micro1~~

342~~Handshake AI~~

320~~SuperAnnotate~~

72~~AfterQuery~~

161~~Turing~~

140~~Ethos AI~~

2,818~~Total open~~

Platform	Open now	What it is
Mercor	922	Interview-led matching to AI and expert-data projects
Micro1	861	Vetted talent network with AI-led screening
SuperAnnotate	320	Data annotation and evaluation platform for AI teams
Handshake AI	342	Expert contributor arm of the Handshake network

Why labs use platforms rather than hiring directly

The expertise needed changes constantly — a project might need forty tax accountants this month and forty structural engineers next. Building that hiring capability in-house makes little sense, so labs buy it as a service. That is the entire reason these platforms exist.

Which fields get recruited

Broader than most people expect. Across the four boards right now:

Category	Open roles
Language & translation	320
Software engineering	249
Finance & accounting	213
Legal	176
Healthcare & medical	159
Music	122
Data & business analysis	111
Voice & audio	107
Data science & ML	82
Generalist AI trainer	79
Design & creative	72
Mechanical engineering	70

All 30 categories →

See every open role

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Common questions

Which companies pay people to train AI?

AI talent platforms including Mercor, Micro1, SuperAnnotate, Handshake AI, AfterQuery, Turing and Ethos AI recruit and pay subject-matter experts to train and evaluate models on behalf of AI labs and enterprise clients.

Do AI labs hire experts directly?

Rarely for this kind of work. The expertise required changes project by project, so labs typically source it through talent platforms rather than building the hiring capability in-house.

What kinds of experts do AI companies hire?

Very broadly — across the seven platforms tracked here there are currently open roles in 30 categories including software engineering, law, medicine, finance, mechanical and civil engineering, design, writing and languages.