STEM Specialist (Fluent in Portuguese – Brazil) – AI Trainer

Remote$8 – $65

Tech Stack

AIsystemd

Job Description, Responsibilities & Requirements

About the Position

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. With high-quality training data, tomorrow’s AI can democratize world-class education, keep pace with cutting-edge research, and streamline work for engineers, scientists, and analysts everywhere. That training data begins with you-we need your expertise to help power the next generation of AI.

Responsibilities

  • Converse with the model on real-world STEM problem-solving scenarios and theoretical technical questions
  • Verify factual accuracy and logical soundness
  • Capture reproducible error traces
  • Suggest improvements to our prompt engineering and evaluation metrics

Requirements

  • Bachelor’s or master’s degree in a STEM discipline
  • Published research, engineering design experience, data analysis projects, or coding portfolios
  • Fluent in Portuguese (Brazil)
  • Clear, metacognitive communication

We Offer

  • Pay range of $8 to $65 per hour, determined by experience, expertise, and geographic location
  • Work as a contractor with the flexibility of remote work

About the Company

Join us in our mission to advance AI technology by contributing your STEM expertise. Your work will directly impact the development of AI models that will teach the world.

Apply for this Job

Ready to turn your STEM expertise into the knowledge base for tomorrow’s AI? Apply today and start teaching the model that will teach the world.

Job Details

Company name:
Kvartal group
Salary:
$8 – $65
Location:
Brazil
Employment Type:
Contract
Work Mode:
Remote
Posted on TheJob:
6/13/2026
Last checked:
6/13/2026
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