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HumanSourcer

Science / STEM roles

755 open Science / STEM roles from 15 networks. 706 of them (94%) say what they pay, most often $40+/hr - the rest disclose nothing until you apply.

Bringing a working researcher's eye to physics, chemistry, biology or engineering output: whether a derivation holds, whether units survive, whether a method would actually produce the claimed result.

Analytical Chemistry Specialist - Freelance AI Trainer Project
$8–$65/hr
Meridial· Research / analysis· Remote
Biochemistry & Life Sciences Domain Expert
$65–$105/hr
Mercor Experts· Research / analysis· Region specific
Psychology - Graduates - AI Training - Canterbury, UK
Up to GBP 50/hr
Prolific Participants· AI model evaluation· Remote
STEM Experts - PhD - AI Training - UK
Up to $150/hr
Prolific Participants· AI model evaluation· Remote
Computer Science Experts - PhD - AI Training - US
Up to $150/hr
Prolific Participants· AI model evaluation· Remote
Biology - Graduates - AI Training - Louisville, US
Up to $60/hr
Prolific Participants· AI model evaluation· Remote
Mathematics Specialist (Fluent in Spanish - Latin America) - Freelance AI Trainer Project
$6–$65/hr
Meridial· Research / analysis· Region specific
Psychology - Graduates - AI Training - London, UK
Up to GBP 50/hr
Prolific Participants· AI model evaluation· Remote
Chemistry - Graduates - AI Training - USA
Up to $60/hr
Prolific Participants· AI model evaluation· Remote
Statistics Experts - PhD - AI Training - France
Up to $150/hr
Prolific Participants· AI model evaluation· Remote
Mechanical Engineering Expert (Canada)
Up to $96/hr
Handshake AI· Writing / editing· Region specific
Data Science & Analysis - AI Training - UK
Up to $80/hr
Prolific Participants· AI model evaluation· Remote
Neuroscience - AI Training - Newcastle, Australia
$40+/hr
Prolific Participants· AI model evaluation· Remote
AI Trainer - Materials Science Specialists (Remote - Los Angeles)
≈ $40+/hr
Prolific Participants· Research / analysis· Remote
Data Science & Analysis - AI Training - US
Up to $80/hr
Prolific Participants· AI model evaluation· Remote
AI Trainer - Materials Science Specialists (Remote - Melbourne)
≈ $40+/hr
Prolific Participants· Research / analysis· Remote
Electrical Engineering Specialist - Freelance AI Trainer Project
$6–$65/hr
Meridial· Coding / software engineering· United States
Computer Sciences - Graduates - AI Training - Seattle, US
Up to $60/hr
Prolific Participants· AI model evaluation· Remote
AI Trainer - Neuroscience (Fully Remote- Oxford)
$40+/hr
Prolific Participants· Research / analysis· Remote
Computer Sciences - Graduates - AI Training - San Jose, US
Up to $60/hr
Prolific Participants· AI model evaluation· Remote
Mathematics Quality Assurance Lead (QAL)
Up to $25/hr
SME Careers· AI model evaluation· Region specific
AI Trainer - Materials Science Specialists (Remote - Perth)
≈ $40+/hr
Prolific Participants· Research / analysis· Remote
Computer Sciences - Graduates - AI Training - Sacramento, US
Up to $60/hr
Prolific Participants· AI model evaluation· Remote
Chemistry - Graduates - AI Training - Tucson, US
Up to $60/hr
Prolific Participants· AI model evaluation· Remote