Senior JavaScript/React Engineer for AI Training

Help create and review software examples used to train and evaluate AI coding systems. You will assess AI-generated code, develop corrections, and judge whether solutions are reliable and ready for production.

• Create code examples and solutions for model training and benchmarking.
• Review code across Python backends, machine learning workflows, JavaScript applications, React interfaces, and Node.js APIs, with some tasks involving C/C++, Java, Rust, and Go.
• Identify common errors and build automated checks or agents to test software quality and correctness.
• Assess work across software development stages, from architecture and API design to launch, monitoring, and maintenance.
• Work with cross-functional teams to improve AI coding systems against industry benchmarks.

What the role requires and offers

• Experience: At least three years in software engineering.
• Skills: Strong full-stack development skills in Python and JavaScript, including React and Node.js; experience deploying scalable, production-grade software; and knowledge of software architecture, design, debugging, and code quality.
• Communication: Ability to write and explain clear, structured reasons for technical evaluations.
• Language: Fluency in English.
• Location: Open to candidates based in the United States.
• Hours: Flexible availability from 10 to 40 hours per week.
• Engagement: Contractor role with an initial one-month duration and possible extensions based on performance and fit.
• Relevant background: Experience with advanced intelligent systems or AI research is useful. Demonstrated technical ability matters more than academic background.

How to apply

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

About AI training work

AI training work involves preparing examples and reviewing model outputs so AI systems can learn and improve. Experienced engineers are needed to assess complex code, explain technical judgments, and build reliable ways to test software solutions. OpenTrain is a free platform where people can find AI-training projects, build a profile, and apply.