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Senior Python Engineer, LLM Evaluation (US-Based)

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Job details

Engagement

Contract, part-time

Location

Remote

United States only

Posted

Nov 6, 2026

OpenTrain on Trustpilot

The work

Use your software engineering judgment to assess and improve code examples, programming solutions, and AI-generated code used to train and benchmark large language models.

  • Curate code examples and create precise programming solutions for training datasets.
  • Review and refine AI-generated code for correctness, efficiency, scalability, and reliability.
  • Build Python agents and automated tools that find error patterns and check software solutions.
  • Assess model capabilities across prototyping, architecture and API design, implementation, launch, experimentation, monitoring, and maintenance.
  • Design checks for software engineering tasks and compare coding solutions against performance benchmarks.
  • Contribute code in Python, JavaScript including ReactJS, C/C++, Java, Rust, and Go.

Requirements

  • Time: At least 20 hours per week.
  • Experience: At least three years of software engineering experience.
  • Fluent in English.
  • Strong Python skills, including production frameworks, tools, and best practices.
  • Experience building full-stack applications and deploying scalable software.
  • Strong knowledge of software architecture, development, debugging, and code review.
  • Ability to write clear, structured explanations for technical evaluations.
  • Familiarity with backend services, data pipelines, or machine learning infrastructure.
  • Experience building production systems at high scale and a strong computer science foundation are helpful. Practical engineering skill is valued alongside formal education.
  • Skills: Python, JavaScript, Java, C++, Rust

Open to applicants in

  • United States

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: cmw4vczw0001408l56g3ii727

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