Freelance Senior Software Engineer (Open Source | Remote | $90–$120/hr) at Call For Referral

Open Source Developers

Hourly Contract | Fully Remote | $90–$120 per hour

About the Role

Mercor is hiring Open Source Developers to support a high-impact engineering initiative focused on reviewing, maintaining, and troubleshooting live repositories. This role is ideal for experienced contributors who understand open-source workflows, complex Git operations, and real-world repository management.

Who You Are

• An open-source developer or maintainer with experience contributing to and reviewing code in active repositories
• Comfortable reasoning about Git at a deep, technical level
• Skilled in debugging repository states and repairing broken commit histories without data loss

Preferred Qualifications

• 3+ years of software engineering experience in open-source, backend development, or DevOps
• Demonstrated contributions on GitHub, GitLab, or other OSS platforms
• (Bonus) Experience in code review, open-source governance, or AI/LLM model evaluation

PS: Mercor reviews applications daily. Please complete your interview and onboarding steps to be considered for this opportunity.