Mercor

Lead Software Engineer | Upto $150/hr

📍 Location
toronto, on
⏰ Job Type
Full-time
📅 Posted
June 03, 2026
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Job Description

About The Job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position Details

  • Position: Senior Open Source Engineer
  • Type: Contract
  • Compensation: $150/hour
  • Location: Remote

Role Responsibilities

  • Author and manage Pull Requests (PRs) to integrate new code into large, complex open-source codebases.
  • Evaluate and enhance AI model training through active contributions to open-source repositories.
  • Collaborate with AI research teams to improve training data quality and model outputs.
  • Work independently and asynchronously to meet deadlines and deliver impactful code.
  • Shape the future of open-source projects by providing structured feedback and inno...

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