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Senior JavaScript/React Engineer, AI Training

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Job details

Engagement

Contract, part-time

Location

Remote

United States only

Posted

Nov 6, 2026

OpenTrain on Trustpilot

The work

You will help train AI systems by reviewing software engineering code, solutions, and AI-generated implementations. You will assess technical work against project guidelines, apply rubrics, and explain your decisions in clear written feedback.

The work also includes curating code examples, building solutions, correcting implementations, and creating ways to verify software engineering tasks across full-stack applications.

  • Evaluate model outputs and source materials against project guidelines.
  • Document evidence-based judgments and explain technical decisions clearly.
  • Maintain consistent quality across repeated review tasks.
  • Review architecture, debugging, implementation quality, performance, and reliability.

Requirements

The listing does not include a pay figure.

  • Schedule: 20 or more hours per week.
  • Language: Professional fluency in English.
  • Required: At least three years of software engineering experience.
  • Required: Strong full-stack development skills with Python and JavaScript, including React and Node.js.
  • Required: Experience deploying scalable, production-grade software with modern languages and tools.
  • Required: Strong knowledge of software architecture, design, development, debugging, and code-quality assessment.
  • Required: Excellent oral and written communication for clear, structured evaluation rationales.
  • Exceptional practical experience and skill are valued over educational background.
  • Skills: Python, JavaScript, Java, C++, Rust

Open to applicants in

  • United States

Preferred

  • Helpful: Experience with C/C++, Java, Rust, Go, production systems, automated verification, and performance or reliability benchmarks.

How to apply

  1. Press Apply now. You create a free OpenTrain account and add your resume.
  2. Finish your application on the hiring company's site. The company decides who it hires, so it runs its own form.

Job ID: cmw4vd1hc001o08l5xqu99cs3

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