Open Source Applied Engineer

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.

Compensation

• Pay: $100/hour
• Type: Part-time contract
• Location: Remote