Senior JavaScript/React Engineer (AI Training)

Evaluate AI-generated software and full-stack code examples against project guidelines. Document clear, evidence-based judgments that can help improve AI systems.

• Review code and model outputs using project rubrics.
• Create and improve code examples and solutions, correct implementations, and design ways to verify software tasks.
• Assess code quality, architecture, debugging, performance, and reliability across full-stack applications.
• Keep evaluations consistent and explain your reasoning in clear written feedback.

What the role requires

• At least three years of software engineering experience.
• Strong experience building full-stack applications with Python and JavaScript, including React and Node.js.
• Experience deploying scalable, production-grade software.
• A strong understanding of software architecture, development, debugging, and code-quality assessment.
• Clear oral and written communication for explaining evaluation decisions.
• English proficiency is required.
• Experience with C/C++, Java, Rust, or Go, production systems, automated verification, or performance and reliability benchmarks is helpful.
• Exceptional experience and skill are valued over educational background.

Schedule and location

• Open to candidates in the United States.
• Plan for at least 20 hours per week.
• This is a part-time contractor role.

How to apply

Apply on OpenTrain with your resume, then complete the application on the hiring site.

About AI training work

AI training is the human work behind AI systems: people review examples and model responses so systems can learn from accurate, useful feedback. Specialist projects value software engineering expertise because it helps make code evaluations and feedback reliable.