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Senior Backend Engineer (Python/FastAPI), AI Code Evaluation

Evaluate AI-generated code, build verification methods, and help benchmark software engineering models. This remote US contractor role has a 20+ hour weekly commitment.

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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

Curate software engineering examples and build or correct solutions for AI training and benchmarking. The role description focuses on full-stack software engineering and code evaluation, so review the duties and qualifications before applying.

  • Review code for architecture, efficiency, scalability, reliability, debugging quality, and maintainability.
  • Work with code in Python, JavaScript, React, Node.js, C/C++, Java, Rust, and Go.
  • Build agents and automated checks to assess code quality, find recurring errors, and verify software solutions.
  • Evaluate model skills across prototyping, architecture and API design, production implementation, monitoring, and ongoing maintenance.
  • Compare evaluation results with industry benchmarks.

Schedule and eligibility

  • Location: United States.
  • Work arrangement: Remote contractor engagement.
  • Time commitment: 20+ hours per week.
  • Engagement length: One month, with possible extensions based on performance and fit.

Skills and requirements

  • Strong full-stack development skills with Python and JavaScript, including React and Node.js.
  • Experience deploying scalable, production-grade software.
  • Deep knowledge of software architecture, design, development, debugging, and code review.
  • Clear spoken and written communication for explaining evaluation decisions.

How to apply

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

About AI training work

AI training is work where people prepare and review examples that help AI systems learn and are evaluated. Software engineering contributors assess whether generated code works well, is reliable, and is maintainable.

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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