Highest-paying right now
Up to $300/hr
Ophthalmologists
Handshake AI
$245–280/hr
Applied Scientist
micro1
$100–400/hr
Research Scientist - Computer Science & Computational Physics
micro1
$100–400/hr
Principal Research Scientist (Computer Science / Computational Physics)
micro1
$150–350/hr
Data Science Specialist
micro1
$150–350/hr
Software Engineering Specialist
micro1
Handshake AI
$245–280/hr
Applied Scientist
micro1
$100–400/hr
Research Scientist - Computer Science & Computational Physics
micro1
$100–400/hr
Principal Research Scientist (Computer Science / Computational Physics)
micro1
$150–350/hr
Data Science Specialist
micro1
$150–350/hr
Software Engineering Specialist
micro1
499 open roles
Dentist (DDS/DMD) - Dental Technology (posted today)micro1·Brazil and 57 more
$80–285/hrToday
Dentist (posted today)micro1·Brazil and 57 more
$80–285/hrToday
Freelance Mechanical CAD&Simulation Engineer - AI Trainer (posted today)Mindrift·Brazil and 60 more·Part-time
Up to $69/hrToday
CAD Engineer - AI Trainer (posted today)Mindrift·Brazil and 60 more·Part-time
Up to $37/hrToday
Video Data Entry Specialist (LATAM) (posted today)micro1·Brazil and 57 more
$6–60/hrToday
Pod lead - Scientific Computing / Research Engineering Expert - Earth Sciences (posted today)Weekday·Brazil and 5 more·Full-time
$16/hrToday
Business Analyst: Non-US Raters (posted today)Weekday·Brazil and 5 more·Full-time
$15/hrToday
Academic Program Lead, AI Fellowship (posted today)Anyone AI·Brazil and 28 more·Full-time·PhD
est. $40–65/hrToday
Chemistry Master's and PhDs: Paid Expert ContributionsTerac·Brazil·Flexible hours·PhD
$77 per task1d
Investment Banking Associatemicro1·Brazil and 57 more
$120–150/hr2d
US-Licensed Physicianmicro1·Brazil and 57 more·MD
$80–125/hr3d
Aerodynamics Expert (MSc. or PhD)micro1·Brazil and 57 more·Part-time
$80–120/hr3d
PhysioNet Competitor (Biomedical Signal Processing & ML)micro1·Brazil and 57 more·Part-time
$60–120/hr3d
STEM Expert (MSc./PhD)micro1·Brazil and 57 more·Part-time
$60–120/hr3d
ML Engineer (MSc. or PhD)micro1·Brazil and 57 more·Part-time·PhD
$60–120/hr3d
Puzzle Solver (Coding)micro1·Brazil and 57 more·Part-time
$60–120/hr3d
Mechanical Engineering Expert (MSc. or PhD)micro1·Brazil and 57 more·Part-time
$60–120/hr3d
Hardware Expert (MSc. or PhD)micro1·Brazil and 57 more·Part-time
$60–120/hr3d
Licensed Physician (MD/DO) - Freelance AI TrainerMindrift·Brazil and 35 more·Part-time·MD
$70/hr3d
Physician (MD/DO) - Medical AI EvaluationMindrift·Brazil and 35 more·Part-time·MD
$70/hr3d
Physician Reviewer (MD/DO) - Medical AI EvaluationMindrift·Brazil and 35 more·Part-time·MD
$70/hr3d
STEM Expert – Chemistry & Computational Chemistry (PhD)micro1·Brazil and 57 more·PhD
$45–90/hr3d
STEM Expert – Biology & Bioinformatics (PhD)micro1·Brazil and 57 more·PhD
$45–90/hr3d
AI Product Evaluatormicro1·Brazil and 57 more
$14–36/hr3d
Quality Evaluator – Fluent English (Brazil)Anyone AI·Brazil·Full-time
$7–12/hr3d
Applied Scientistmicro1·Brazil and 57 more
$245–280/hr4d
Education Practitioner - Learning & Assessment Specialistmicro1·Brazil and 57 more
$90–130/hr4d
Computational Chemistry, Structural Biology & Drug Discovery Scientist (PhD)micro1·Brazil and 57 more·PhD
$45–90/hr4d
Computational Biology & Bioinformatics Expert (PhD)micro1·Brazil and 57 more·PhD
$45–90/hr4d
App Security Expertmicro1·Brazil and 57 more
$40–80/hr4d
English Voice Recordingmicro1·Brazil and 57 more
$20–70/hr4d
Investment Banking – M&A Advisory.micro1·Brazil and 57 more
$175–300/hr5d
Lawyermicro1·Brazil and 57 more·Law
$100–170/hr5d
Tax Attorneymicro1·Brazil and 57 more·Law
$100–170/hr5d
Employment Lawyermicro1·Brazil and 57 more·Law
$100–170/hr5d
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AI training jobs in Brazil: common questions
How much do AI training jobs in Brazil pay?
As of 19 October 2026, 476 of these 499 open roles state an hourly rate. The median is $70/hr, the typical range $35–105/hr, and the top 10% pay $150/hr or more.
Which platforms have AI training jobs in Brazil?
Right now the most roles are on micro1, SuperAnnotate, Invisible, Anyone AI and Babel Audio. aitrainers.jobs checks every platform's job board hourly, so the list above always shows what is open today.
Where can I do AI training jobs in Brazil from?
127 of these roles are open worldwide. The countries accepted most often are Brazil, India, Germany, United States, Singapore and Indonesia. Use the "Open to" filter to see only roles you can take where you live.
Are AI training jobs in Brazil part-time?
Most are. The most common arrangement is flexible hours (103 roles), usually remote and paid as a freelancer or contractor.