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Invisible Technologies · 3 weeks ago

PHP Coding Specialist - Freelance AI Trainer Project

United States

Full-time

Remote

Mid Level

$6/hr - $65/hr

Agency is seeking a PHP Coding Specialist to contribute to the training of advanced AI models. The role involves engaging with language models on software engineering topics, ensuring coding fluency, and improving prompt engineering.

Data Center AutomationInformation TechnologyProductivity ToolsProject Management

H1B Sponsor Likely

Responsibilities

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

Suggest improvements to our prompt engineering and evaluation metrics

Qualification

PHPAlgorithmsData StructuresSoftware ArchitectureBackend DevelopmentCloud InfrastructureObject-Oriented DesignRESTful API DevelopmentSecure Coding PracticesOpen-Source ContributionsMetacognitive CommunicationTechnical Writing

Required

Fluent in PHP

Expertise in algorithms, data structures, software architecture, backend development, cloud infrastructure, and modern PHP application design

Ability to 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

Experience in documenting failure modes

Ability to converse with the model on software engineering tasks and technical scenarios using PHP

Ability to verify logical accuracy and coding fluency

Ability to assess code quality and clarity

Ability to capture reproducible error traces

Ability to suggest improvements to prompt engineering and evaluation metrics

Bachelor's, Master's, or PhD in computer science, software engineering, or a closely related technical field

Real-world PHP experience

Technical writing experience

Open-source contributions

Clear, metacognitive communication skills

Company

Invisible Technologies

Glassdoor3.9

Invisible Technologies makes AI work. Our platform cleans, labels, and structures company data so it’s ready for AI.

Founded in 2015

San Francisco, California, USA

201-500 employees

https://www.invisible.co/

H1B Sponsorship

Invisible Technologies has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (9)