AI work directory Red Pen Jobs

This role closed on .

Mercor had taken it down by the morning check, so there is nothing left to apply to. The details below are what the posting said while it was up. Roles like it are posted again, and the profession page is where they turn up first.

Similar roles open now

Every role we hold for software engineers

Senior Software Engineer

Mercor Contract, part-time 6 openings Posted 6 days ago Closed US, UK, EU, CA, AU, NZ

Role details

Mercor is hiring Senior Software Engineers to work on a project with a leading AI research lab. You'll apply your open-source engineering experience to real software engineering work.

You're a good fit if you:

  • Work as a Senior, Staff or Principal Software Engineer (or equivalent senior individual contributor)
  • Actively contribute to open-source projects, with merged pull requests or commits in the last 6 months
  • Maintain or contribute to projects with real adoption, such as 100+ GitHub stars or clear package usage

From the Mercor posting.

This role is closed

This role closed, so it carries no apply button. Mercor still has open roles, and the profession page lists the ones we have found.

New roles for software engineers every Monday

What the email looks like

  • Open Source GitHub Maintainer

    $150–300 an hour · micro1

  • Cybersecurity Research Expert – Offensive Security & Vulnerability Research

    $200–250 an hour · Mercor

  • Senior Software Engineering Experts

    $120–180 an hour · Mercor

Software engineers

We read this listing on Mercor on 23 Oct 2026 and checked it again on 28 Oct 2026. We clean its formatting for readability and safety. View on Mercor