Remote PHP Backend Engineer | AI Training & Code Review

AI Trainer Jobs; United States; Remote; USD 69,000 - 96,000; Part time

Job summary

SME Careers is seeking a PHP Engineer to review AI-generated PHP code, assess backend designs, and write high-quality reference implementations. You will explain reasoning and produce step-by-step solutions for complex engineering problems, focusing on correctness, security, and performance.

This fully remote, hourly contractor role lets you contribute to future AI training projects while working with modern PHP frameworks and best practices.

Qualifications

• 4+ years of professional PHP backend development experience.
• Expert-level PHP 7.4/8.x+ with OOP, typing, namespaces and Composer.
• Experience with MySQL/PostgreSQL and ORM patterns.
• Knowledge of secure coding practices and OWASP Top 10.

Responsibilities

• Develop AI training content and reference PHP/backend solutions.
• Evaluate AI outputs for correctness, security, performance and clarity.
• Test architectures, API design, caching strategies, and data usage.

Skills

Caching

Debugging

PHP 8+

Security (OWASP)

Backend Engineering

Low‑Latency Development

Performance Optimization

Code review

Concurrency/Async Processing

Database Optimization

Education

Bachelor’s degree or higher in Computer Science/related field

Job description

SME Careers is seeking a PHP Engineer to review AI-generated PHP code, assess backend designs, and write high-quality reference implementations. You will explain reasoning and produce step-by-step solutions for complex engineering problems, focusing on correctness, security, and performance.

This fully remote, hourly contractor role lets you contribute to future AI training projects while working with modern PHP frameworks and best practices.