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PHP Coding Specialist - Freelance AI Trainer Project

Role overview

Qualifications

  • Bachelor's, Master's, or PhD in computer science, software engineering, or closely related technical field
  • Real-world PHP development experience
  • Technical writing experience or open-source contributions
  • Clear, metacognitive communication and the ability to show your work

Responsibilities

  • Converse with the model on PHP-based software engineering tasks and technical scenarios, verifying logical accuracy and coding fluency
  • Assess code quality and clarity, capture reproducible error traces, and document failure modes to harden model reasoning
  • Suggest improvements to prompt engineering and evaluation metrics based on observed results
  • Communicate findings clearly in a remote, contract-based setting with thorough written outputs

About the company

Invisible Expert Marketplace logo

Invisible Expert Marketplace

Artificial Intelligence & Machine Learning Services

We are the AI training and scaling partner for the leading foundation model providers, enterprises, and governments, bridging the gap between AI potential and production. Our unique AI Process Platform combines elite global human expertise, cutting edge technology, and deep institutional knowledge gained by training 80% of the world’s leading AI models.

Company details

IndustryArtificial Intelligence & Machine Learning Services
Company size5001 - 10000

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Job description


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Are you a coding expert fluent in PHP 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.

We’re looking for PHP coding specialists who live and breathe algorithms, data structures, software architecture, backend development, cloud infrastructure, and modern PHP application design—and who can do so fluently using PHP. You’ll challenge advanced language models on topics like object-oriented design, RESTful API development and integration, secure coding practices, PHP runtime behavior and memory usage in long-running processes, asynchronous patterns using queues, workers, or event-driven libraries, and debugging distributed systems—documenting every failure mode so we can harden model reasoning.

On a typical day, you will converse with the model on software engineering tasks and technical scenarios using PHP, verify logical accuracy and coding fluency, assess code quality and clarity, capture reproducible error traces, and suggest improvements to our prompt engineering and evaluation metrics.

A bachelor’s, master’s, or PhD in computer science, software engineering, or a closely related technical field is ideal; real-world PHP experience, technical writing, or open-source contributions signal fit. Clear, metacognitive communication—“showing your work”—is essential.

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

We offer a pay range of $6-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 high-speed internet; company-sponsored benefits such as health insurance and PTO do not apply.

Job title: PHP Coding Specialist - Freelance AI Trainer Project
Employment type: Contract
Workplace type: Remote

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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