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Open Source Applied Engineer Talent Network

Listed pay: $100to 120 / hr

What the posting lists, in US dollars an hour, before anything Mercor deducts.

How to apply
Platform
Mercor
Terms
Contract, part-time
Location
Remote, no country stated
Posted
· 15 months ago
Status
Open at the last check

Applying on Mercor

Apply on Mercor

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Red Pen Jobs is independent. We are not affiliated with, endorsed by, or acting for Mercor in any way, and we do not recruit on its behalf.

What happens after you click

  1. The link opens this role on Mercor. Sign up and apply from there.
  2. Upload a resume, complete the assessments the role asks for and verify your work authorisation.
  3. An AI interview of about 20 minutes. Mercor says it usually takes 2 to 4 weeks to hear back.
  4. If Mercor hires you, you are paid weekly, on the Wednesday after each work week, via Stripe. Mercor says first payouts are held for 7 days.
  5. The work is paid by the hour, at the $100–120 this posting lists.
  6. Remote. The posting names no country, so we have not assumed one applies.

What the work is

Mercor is seeking an exceptional open source contributor with deep expertise in Python, Java, C, JavaScript, or TypeScript to collaborate on high-impact projects with global reach. This role is ideal for engineers with a strong command of core programming fundamentals and a proven track record of consistent, high-quality contributions to leading open-source repositories.

Key Responsibilities:

  • Design and oversee the creation of evaluations for a wide range of coding tasks across multiple languages, including JavaScript, TypeScript, Python, Java, and C.

  • Develop test cases to accurately assess system performance in diverse engineering scenarios.

  • Analyze system behavior on real-world user use cases to uncover strengths and improvement areas.

  • Communicate evaluation results effectively to the research team to support continued development and optimization.

You're a great fit if you have:

  • A strong GitHub (or similar) presence with frequent, high-quality contributions to top open-source projects in the last 12 months.

  • Expertise in one or more of the following languages: Python, Java, C, JavaScript, or TypeScript.

  • Deep familiarity with widely-used libraries, frameworks, and tools in your language(s) of choice.

  • Excellent understanding of software architecture, performance tuning, and scalable code patterns.

  • Strong collaboration skills and experience working within distributed, asynchronous teams.

  • Confidence in independently identifying areas for contribution and executing improvements with minimal oversight.

  • Comfortable using Git, CI/CD systems, and participating in open-source governance workflows.

From the Mercor listing.