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Senior Backend Engineer (Python/FastAPI) for AI Evaluation

Review AI-generated code, benchmark software, and write clear feedback as a senior backend engineer. This U.S.-based contract role requires 20+ hours per week and software engineering skills.

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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

Evaluate AI-generated code and software solutions using project guidelines. The title emphasizes Python/FastAPI backend engineering; review the duties and qualifications before applying.

  • Review source materials and model outputs against project guidelines.
  • Apply project rubrics and document evidence-based judgments.
  • Explain your evaluations clearly so the feedback can help improve AI models.
  • Keep your judgments consistent across repeated review tasks.

What it pays and takes

  • Pay: No rate is provided.
  • Time: 20+ hours per week.
  • Location: Open to candidates in the United States.
  • Engagement: Part-time contractor role.
  • Skills: Strong Python and JavaScript skills, including React and Node.js, and the ability to work across backend and frontend codebases.
  • Knowledge: Software architecture, development, debugging, and code review, including assessing code quality and production software.
  • Communication: Clear spoken and written communication for structured evaluation explanations.
  • Language: Fluent in English.

How it works

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 systems learn. Software engineers contribute specialized judgment by assessing code and explaining what makes a solution effective.

Requirements

  • Languages: English

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