Back to all jobs
I

Full Stack Engineering Specialist - Freelance AI Trainer Project

Invisible Agency
United States of America17h ago

About the role

<p>Are you an experienced Full Stack Engineer eager to shape the future of AI? Large-scale language models are evolving rapidly, moving beyond simple chatbots into powerful engines of research, learning, and applied problem-solving. With high-quality training data, tomorrow’s AI can provide more accurate, practical, and innovative solutions across industries. That training data begins with you—your expertise will help power the next generation of AI.</p> <p>We’re looking for a highly skilled Full Stack Engineering specialist who can bring technical depth, coding expertise, and architectural insight to training data. You’ll work with cutting-edge AI tools, evaluate and refine code outputs, and provide expert feedback on correctness, efficiency, scalability, and best practices across the stack.</p> <p>On a typical day, you will review and annotate AI-generated code, assess outputs for logical and structural soundness, identify and document error patterns, and collaborate with our team to refine prompts, evaluation methods, and engineering guidelines.</p> <p>Proficiency in both frontend and backend technologies is required, including strong experience with languages such as JavaScript/TypeScript, Python, or Java; frameworks such as React, Node.js, or Django; and databases (SQL/NoSQL). Experience in cloud services, CI/CD pipelines, or containerization (Docker/Kubernetes) is a strong plus. Clear communication skills, problem-solving ability, and attention to detail are essential.</p> <p>Ready to channel your engineering expertise into building the AI tools of tomorrow? Apply today and help train the model that will support developers and organizations worldwide.</p> <p>We offer a pay range of $8 to $65 per hour, with the exact rate determined after evaluating your experience, expertise, and geographic location. Final offer amounts may vary from the pay range listed above. As a contractor you’ll supply a secure computer and stable internet connection; company-sponsored benefits such as health insurance and PTO do not apply.</p> <p>Job title: Full Stack Engineering Specialist – AI Trainer<br>Employment type: Contract<br>Workplace type: Remote<br>Seniority level: Mid-Senior</p>

Perks & benefits

  • Medical Insurance
  • Paid Time Off

753,000+ hidden jobs like this

Invisible Agency and thousands of companies post here first — often days before LinkedIn or Indeed. Your first 5 applications are free; go Pro to apply without limits.

Everything Pro unlocks:

  • Unlimited applications — free stops at 5
  • Track every application in one place
  • Apply straight to the source, one click
  • Save & organize roles you love
  • Roles pulled from company boards before the big sites

Weekly

$9.99
$4.99/week

For an active search. Cancel anytime.

Most popular

Monthly

$24.99
$12.99/month

The smart pick. Save 35% vs weekly.

Lifetime

$99
$49.99once

Pay once. Every future feature, forever.