GenAI Open Source Maintainer — Remote, 30–40hrs/wk

Mercor; United States; Remote; USD 170,000 - 243,000; Full time

Job summary

Mercor is seeking an Open Source Maintainer / Core Contributor – Software Engineer to join a GenAI team. You’ll own maintenance of a mature open-source codebase, review AI-generated code, and guide tasks from conception to validated solutions, leveraging Docker for local testing.

This remote, hourly contract role emphasizes independent work with periodic lab meetings. Applicants should have a strong open-source track record, demonstrated code review judgment, and the ability to build and run

Qualifications

• Maintainer (named in MAINTAINERS or CODEOWNERS, or 10+ PR reviews in the last 12 months) or core contributor (3+ substantive merged PRs in the last 12 months).
• Repository is 2+ years old, with real users and active code review culture.
• Years of sustained open-source contributions with verifiable public history.
• Senior-level code review judgment, including assessing AI-written code and edge cases.
• Hands-on ability to build and run the project and tests locally, including with Docker.

Responsibilities

• Guide research and engineering teams to close knowledge gaps and improve AI model performance in software engineering, code review, and open-source maintenance topics.
• Design engineering tasks based on the codebase, and write accurate reference solutions.
• Evaluate AI-written code, tests and rubrics against architecture and quality standards, with clear feedback.
• Build, run and test the project locally, including with Docker, to verify task behavior.
• Write precise rationales explaining strongest solutions and limitations of AI-generated changes.
• Collaborate with experts to ensure training data consistency and accuracy.

Skills

Maintainer

Core contributor

Open-source

Code review

Docker

Written communication

Git

Tools

Docker

Job description

Mercor is seeking an Open Source Maintainer / Core Contributor – Software Engineer to join a GenAI team. You’ll own maintenance of a mature open-source codebase, review AI-generated code, and guide tasks from conception to validated solutions, leveraging Docker for local testing.

This remote, hourly contract role emphasizes independent work with periodic lab meetings. Applicants should have a strong open-source track record, demonstrated code review judgment, and the ability to build and run