Curated remote opportunities

Remote AI & Data Training Jobs in Brazil 2026

2028 remote jobs open to candidates in Brazil in AI & Data Training. Updated daily.

xAI
AI & Data Training Full-time ↻ Reposted
AI French Make +12 Microsoft Teams Training Microsoft Excel Accessibility Annotation English Pronunciation Accuracy Expressions Interpretation Communication Nuance
  • Remote (Global)
  • $35 – $45/hr
  • Apr 29, 2026

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not.

xAI
AI Expert - Finance Full-time ↻ Reposted
AI Tax Make +12 Microsoft Teams Taxation Accuracy Consistency Annotation Precision Adaptability Accounting CPA Planning Reporting Communication
  • Remote (Global)
  • $45 – $75/hr
  • Apr 29, 2026

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not.

Meridial AI
Sciences (AI) Full-time
STEM Portuguese AI +12 Problem Solving Training Education Research Mathematics Physics Chemistry Engineering Thermodynamics Mechanics Calculus Statistics
  • Brazil
  • $8 – $65/hr
  • Apr 28, 2026

Are you a STEM expert fluent in Portuguese (Brazil), eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery and technical problem-solving.

Meridial AI
Sciences (AI) Full-time
Portuguese AI Training +12 Education Research Problem Solving Chemistry Physics Astronomy Reasoning Accuracy Engineering Teaching Communication Insurance
  • Brazil
  • $8 – $65/hr
  • Apr 28, 2026

Are you a science specialist fluent in Portuguese (Brazil), eager to shape the future of AI? Large-scale language models are evolving from clever chatbots into powerful engines of scientific discovery.

Meridial AI
Portuguese AI Training +12 Education Research Algorithms Architecture Infrastructure Programming REST API Management Debugging Reasoning Engineering Accuracy
  • Brazil
  • $8 – $65/hr
  • Apr 28, 2026

Are you a coding expert fluent in Portuguese (Brazil) eager to shape the future of AI? Large‑scale language models are evolving from clever chatbots into powerful engines of scientific discovery.

Meridial AI
LaTeX AI Sourcing +12 Formatting Training Rendering Markdown Audit Expressions Rewriting Editing Grammar Rubrics Localization Syntax
  • Remote (Global)
  • $8 – $30/hr
  • Apr 27, 2026

We are sourcing independent LaTeX Specialists to provide their expertise for an AI benchmark evaluation project. As AI models increasingly generate complex long-form content that blends mathematical and technical formatting with creative prose, their quality relies entirely on…

RemoExperts
AI Expert - Legal Contractor
Compliance AI Accuracy +12 Research Analysis Interpretation Contracts JD GDPR CCPA Litigation Writing Reasoning Legal Compliance Legal Research
  • Remote (Global)
  • Compensation for our legal and compliance experts typically ranges from $60 to $140 USD per hour, re
  • Apr 23, 2026

As a Legal & Compliance AI Specialist, you will directly improve the accuracy, safety, and jurisdictional rigor of AI in legal research, contract analysis, and regulatory compliance.

RemoExperts
Medicine AI Accuracy +12 Reasoning Interpretation Triage Procedures Contraindications SNOMED Radiology Pathology ICD-10 CT LOINC Ethics
  • Remote (Global)
  • Compensation for our medical and financial experts typically ranges from $70 to $150 USD per hour, r
  • Apr 23, 2026

As a Clinical Medicine AI Specialist, you will directly improve the accuracy and safety of AI in clinical reasoning, diagnostic support, and patient-facing health information.

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