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Senior JavaScript/React AI Training Engineer (US-Based)

Evaluate AI-generated code, create solutions and Python checks, and assess software quality across several languages. This entry-level US-based contractor role requires 20+ hours a week and at least three years of software engineering experience.

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OpenTrain AI

Coding & Software

Remote

Contract, part-time

Engagement

Remote

Location

Nov 6, 2026

Posted

Open to applicants in

United States

The work

Help create and assess code examples used to train and benchmark AI models. The work focuses on Python, with additional coverage of JavaScript, React, C and C++, Java, Rust, and Go.

Review the duties and qualifications before applying.

  • Curate code examples, build solutions, and correct code for AI training.
  • Evaluate AI-generated code in scenarios involving software architecture, API design, implementation, monitoring, and maintenance.
  • Create Python agents and automated checks to test software solutions and find recurring errors.
  • Assess solutions for efficiency, scalability, reliability, and code quality, and explain your judgments clearly.
  • Work with research and engineering stakeholders to improve AI coding capabilities.

Hours, location, and qualifications

  • Location: Open to candidates based in the United States.
  • Time commitment: 20 or more hours per week.
  • Engagement: Part-time contractor role, initially for one month, with possible extensions based on performance and fit.
  • Required: At least three years of software engineering experience and strong Python skills, including production frameworks, tools, and best practices.
  • Required: Experience building full-stack applications and deploying scalable software, plus knowledge of architecture, design, development, debugging, and code review.
  • Required: Ability to explain technical judgments clearly in writing and conversation.
  • Helpful: Experience building production systems at high scale and a strong computer science foundation.
  • Helpful: Practical expertise in JavaScript or React, C or C++, Java, Rust, and Go, and familiarity with the full software development lifecycle.

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 of preparing and reviewing examples that help AI models learn. In this role, software engineers use their judgment to create code examples and assess whether generated solutions are correct, efficient, and reliable. OpenTrain helps people find AI training work, build a profile, and apply in one place.

Requirements

  • Languages: English

How to apply

  1. Apply here on OpenTrain. You create a free account, and we send you to the hiring platform.
  2. Complete your application on the hiring platform.

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