Coding Specialist (Fluent in Portuguese - Brazil) - AI Trainer

Remote$8 – $65

Tech Stack

API

Job Description, Responsibilities & Requirements

About the Position

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

Responsibilities

  • Challenge advanced language models on topics like asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems.
  • Document every failure mode to help harden model reasoning.
  • Converse with the model on software engineering tasks and technical scenarios in Portuguese (Brazil).
  • Verify logical accuracy and coding fluency.
  • Assess naturalness and correctness of Portuguese language usage.
  • Capture reproducible error traces.
  • Suggest improvements to our prompt engineering and evaluation metrics.

Requirements

  • Fluency in Portuguese (Brazil).
  • Expertise in Algorithms, Data Structures, Software Architecture, Frontend and Backend Development, Cloud Infrastructure, and Systems Programming.
  • Bachelor’s, master’s, or PhD in computer science, software engineering, or a closely related technical field.
  • Real-world coding experience, technical writing in Portuguese, or open-source contributions.
  • Clear, metacognitive communication-“showing your work”-is essential.

We Offer

  • Pay range of $8 to $65 per hour, with the exact rate determined after evaluating your experience, expertise, and geographic location.
  • As a contractor, you’ll supply a secure computer and high-speed internet; company-sponsored benefits such as health insurance and PTO do not apply.

About the Company

Ready to turn your coding and Portuguese language 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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