This job post has expired on November 15, 2025. It is likely that the position has already been filled.
OSS Contributor (CTO/Founder Level) at Mercor
posted 12 months agoOSS Contributor (CTO/Founder Level) | $130–200/hr | Remote
Join Mercor as a high-impact OSS Contributor, collaborating with leading AI teams to advance model training and evaluation using real-world, production codebases. This role is ideal for current or former CTOs and founders with the authority to grant secure, purpose-limited access to their organization's private code.
- Authorize & Enable Access: Confirm your authority to provide a limited license for code evaluation and, if agreed, training. Coordinate secure, read-only repository access.
- Curate Datasets: Select and prepare representative modules, ensuring sensitive data is masked or excluded.
- Design Evaluations: Develop realistic task suites reflecting your stack, including refactors, bug fixes, and performance tasks.
- Develop Test Harnesses: Build or guide the creation of test cases and scoring systems aligned with real engineering constraints.
- Analyze Outcomes: Review AI model performance on your code, identify failure modes, and suggest improvements.
- Ensure Compliance & Security: Collaborate on data handling, audit logging, secret scanning, and access revocation to maintain the highest security standards.
Requirements:
- Current or former CTO/founder with authority over a substantial codebase.
- Ability to grant a time-limited, purpose-specific license for code use.
- Deep technical knowledge (Python, Java, C/C++, JavaScript, TypeScript, or similar).
- Experience with Git, CI/CD, and modern engineering practices.
- Active OSS contributor preferred.
Role Details: Part-time, flexible, 100% remote. Engagement is hourly via Mercor with weekly payments through Stripe Connect. All work governed by MSA/SOW and strict data protection agreements.
How to apply for this role
- Upload your resume — keep it up-to-date and in English. Mercor will auto-fill your profile from it.
- Complete the AI interview — a 15-minute conversation about your experience. Be ready to discuss specific projects and challenges you've solved.
- Submit your application — only about 20% of applicants finish all the steps, so completing yours puts you well ahead.