Code Reviewer (JavaScript) for Open-Source Repositories

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Job details

Pay

$25 USD/label

Engagement

Contract, part-time

Location

Remote

23 countries

Posted

Nov 10, 2026

OpenTrain on Trustpilot

3.9 · 127 reviews

The work

You will evaluate real JavaScript software projects to help measure how well AI systems handle software engineering and bug-fixing tasks. The work includes reviewing codebases, issues, tests, and AI-generated fixes.

Analyze and triage issues in open-source JavaScript libraries.
Set up and configure repositories, including Docker-based development environments.
Review unit-test coverage and assess test quality.
Modify and run code locally, then evaluate bug-fixing results.
Assess how well large language models handle software engineering tasks.
Work with researchers to find repositories and issues that challenge AI systems.

Requirements

This is a remote contractor assignment for a short project lasting approximately two to three weeks.

$25 per approved task.
At least 20 hours per week.
Approximately two to three weeks.
Four hours of overlap with Pacific Time each week.
At least two years of software engineering experience.
Strong JavaScript skills and professional fluency in English.
Proficiency with Git, Docker, and basic software pipeline setup.
Ability to navigate complex codebases and run, modify, and test projects locally.

Skills: JavaScript

Open to applicants in

Argentina
Belize
Bolivia
Brazil
Chile
Colombia
Costa Rica
Dominican Republic
Ecuador
El Salvador
Guatemala
Guyana
Haiti
Honduras
Mexico
Nicaragua
Panama
Paraguay
Peru
Puerto Rico
Suriname
Uruguay
Venezuela

Preferred

Experience with open-source projects is helpful but not required.
Experience with large language model research, evaluation projects, developer tools, or automation agents is helpful.

How to apply

Press Apply now. You create a free OpenTrain account and add your resume.
Finish your application on the hiring company's site. The company decides who it hires, so it runs its own form.

Apply now

Job ID: cmwb4s6mj00q307jpscw1mf3r

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