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Full Stack Engineer

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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 create and assess code datasets used to train and benchmark large language models. The work focuses on systems-level, infrastructure, backend, and performance-critical software.

You will review AI-generated code and explain whether it meets standards for correctness, performance, scalability, and reliability.

  • Curate code examples and write precise solutions in Python, C/C++, Rust, Go, Java, and JavaScript, including ReactJS.
  • Evaluate software across prototyping, architecture design, API design, production implementation, monitoring, and operational maintenance.
  • Build agents and verification methods that find error patterns and assess software engineering solutions automatically.
  • Help develop AI coding solutions against industry performance benchmarks.
  • Write clear, structured reasons for your technical evaluations.

Requirements

Pay is not provided in the role details. This is a flexible contractor engagement with an initial duration of one month and possible extensions based on performance and fit.

  • Commitment: 20 or more hours per week.
  • Language: Fluent in English.
  • Experience: At least three years of software engineering experience.
  • Strong systems programming, infrastructure, or backend development experience.
  • Experience building and deploying scalable, production-grade software.
  • Deep knowledge of software architecture, development, debugging, and code review assessment.
  • Skills: Python, JavaScript, Java, C++, Rust

Open to applicants in

  • United States

Preferred

  • A strong computer science foundation and experience building production systems at a high-scale engineering organization are helpful.

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: cmw4vd1m9001q08l5ssk4tbfr

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