Curated remote opportunities

Remote AI & Data Training Jobs in Brazil 2026

2003 remote jobs open to candidates in Brazil in AI & Data Training. Updated daily.

Brazilian Portuguese - TV, Film, Animation & Cartoons Subject Matter Expert (SME)

RWS
AI Expert - Humanities Contractor ↻ Reposted
Portuguese Animation AI +12 Writing Reasoning Journalism Scriptwriting Culture English Flexible Training Nuance Precision Communication Research
  • Brazil
  • $26.40/hr
  • May 8, 2026

Help shape the future of AI in Brazil! We are building a next‑generation benchmark to evaluate how well AI systems handle complex, real‑world questions in Brazilian Portuguese.

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Language Alignment & Resource Partner (Taiwanese) - Freelance AI Trainer Project

Meridial AI
Bilingual LLM & Translation Full-time
Alignment AI Sourcing +12 Quality Assurance Communication Accuracy Annotation Testing Assurance Acting Documentation Nuance Linguistics Education Insurance
  • Remote (Global)
  • $6 – $65/hr
  • May 6, 2026

We are sourcing independent Language Alignment & Resource Partners (LARPs) to provide native-level Taiwanese language vetting and QA for a specialized AI data project.

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Senior Physics Consultant (AI Research)

Aligned Labs
AI Expert - Physics Contractor · Part-time
Physics Theoretical Physics Applied Physics +7 Problem Solving Analytical thinking AI Model Evaluation Scientific Research Mathematical Modeling Technical Writing Critical Thinking
  • Remote (Global)
  • $80 – $120/hr
  • May 3, 2026

About Aligned Aligned partners with leading AI labs to push the frontier of artificial intelligence across disciplines such as physics, medicine, law, and finance. We connect top-tier experts with high-impact AI research projects. Role Overview We are seeking Senior…

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Audio Specialist- Freelance AI Trainer Project

Meridial AI
AI Expert - Music & Audio Full-time
AI Benchmarking Role-Play +12 Telecommunications Accuracy Programming JSON Logic Communication Problem Solving English Writing Rubrics Documentation Insurance
  • Remote (Global)
  • $11 – $30.65/hr
  • May 1, 2026

A project dedicated to assessing and benchmarking advanced agentic audio models against leading systems. The program’s mission is to evaluate and optimize model performance for real-world customer support use cases.

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Agentic Audio Specialist - Freelance AI Trainer Project

Meridial AI
Transcription & Audio Training Full-time
AI Benchmarking Role-Play +12 Telecommunications Accuracy Programming JSON Logic Communication Problem Solving English Writing Rubrics Documentation Insurance
  • Remote (Global)
  • $11 – $30.65/hr
  • May 1, 2026

A project dedicated to assessing and benchmarking advanced agentic audio models against leading systems. The program’s mission is to evaluate and optimize model performance for real-world customer support use cases.

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Software Engineering Expert

AfterQuery
AI Expert - Software Engineering Contractor
Engineering Debugging Programming +9 Algorithms Flexible Software Engineering Professional Experience Software Development Code Review Data Structures System Design Computer Science
  • Remote (Global)
  • $75/hr
  • Apr 30, 2026

This is a remote, project-based role for software engineers with 1–3 years of professional experience. You will complete tasks spanning software development, debugging, code review, and technical implementation across a variety of stacks and applications.

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Mechanical Engineering Expert

AfterQuery
AI Expert - CAD & 3D Modeling Contractor
Engineering CAD Analysis +12 Documentation SolidWorks AutoCAD CATIA Problem Solving Flexible Mechanical Engineering Mechanical Design Engineering Analysis Technical Documentation Product Development Professional Experience
  • Remote (Global)
  • $88/hr
  • Apr 29, 2026

This is a remote, project-based role for mechanical engineers with 2–4 years of hands-on experience in CAD and mechanical design. You will complete tasks spanning mechanical design, engineering analysis, technical documentation, and product development support.

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AI Tutor - Spanish

xAI
AI & Data Training Full-time
AI Spanish 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.

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AI Tutor - Portuguese

xAI
AI & Data Training Full-time
AI Portuguese 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.

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AI Tutor - French

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.

View Details Apply Now
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