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SWE Bench Engineer (Java)

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Job details

Pay

$25 USD/label

Engagement

Contract, part-time

Location

Remote

31 countries

Posted

Nov 3, 2026

OpenTrain on Trustpilot

The work

This role evaluates Java code produced or reviewed for large language models. You will work with public Java repositories, GitHub issues, and unit-test codebases, then provide clear feedback that helps improve AI systems.

The duties and qualifications below describe Java LLM code evaluation, so review them before applying.

  • Evaluate model outputs using project rubrics and record evidence-based judgments.
  • Review source materials and model outputs against project guidelines.
  • Explain your decisions clearly so feedback can improve model behavior.
  • Run, modify, and test real-world Java projects locally.
  • Maintain consistent, high-quality decisions across repeated review tasks.

Requirements

This is a fully remote contractor assignment. The project is open to candidates in the countries listed below and requires English fluency.

  • Time: At least 20 hours per week.
  • Schedule: At least four hours per day and four hours of overlap with Pacific Standard Time.
  • Language: English fluency.
  • Experience: At least three years of overall experience; previous AI training experience is not required.
  • Technical skills: Strong Java experience, Git, Docker, basic software pipeline setup, and the ability to navigate complex codebases.
  • Skills: Java

Open to applicants in

  • Argentina
  • Bangladesh
  • Belize
  • Bolivia
  • Brazil
  • Chile
  • Colombia
  • Costa Rica
  • Dominican Republic
  • Ecuador
  • Egypt
  • El Salvador
  • Ghana
  • Guatemala
  • Guyana
  • Haiti
  • Honduras
  • India
  • Kenya
  • Mexico
  • Nicaragua
  • Nigeria
  • Pakistan
  • Panama
  • Paraguay
  • Peru
  • Puerto Rico
  • Suriname
  • Türkiye
  • Uruguay
  • Venezuela

Preferred

  • Helpful background: Open-source contribution or evaluation, LLM research or evaluation, or experience building or testing developer tools and automation agents.

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: cmw0jacdf003q08l2omatyc8f

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