Machine Learning Engineer / AI Engineer (Remote · Part-Time | $80 –$120/hr)

Join to apply for the Machine Learning Engineer / AI Engineer (Remote · Part-Time | $80 – $120/hr) role at Call For Referral Get AI-powered advice on this job and more exclusive features. This range is provided by Call For Referral. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $80.00/hr - $120.00/hr 1. About the Role Mercor is hiring experienced Python Engineers to support high-impact research collaborations with leading AI labs. In this role, you will help improve AI systems by expanding coding benchmarks that mirror real-world software development across diverse languages, frameworks, and engineering workflows. This is a unique opportunity to apply your backend engineering expertise toward shaping the next generation of intelligent systems used by top research organizations. 2. Key Responsibilities • Develop and validate Python coding benchmarks by curating issues, solutions, and test suites from real-world repositories • Ensure benchmark tasks include robust unit and integration tests for verification • Maintain consistency, quality, and scalability across benchmark distributions • Provide structured feedback on solution accuracy, clarity, and efficiency • Debug, optimize, and document benchmark code for reliability and reproducibility 3. Ideal Qualifications • 3–10 years of experience as a backend engineer, ML engineer, or applied data scientist • Degree in Computer Science, Software Engineering, or related field • Strong proficiency in Python • Experience with debugging, testing, validation, and code review • Comfortable with technical documentation and detail-oriented workflows 4. Project Timeline • Start Date: Immediate • Duration: 1 month • Commitment: Part-time (15–20 hours/week) • Schedule: Fully remote and asynchronous — flexible working hours 5. Compensation & Contract • $80 per hour plus lucrative per-task bonuses (1 task ≈ 1 hour of work) • Median total compensation with bonuses: ~$200/hour • Daily payments via Stripe Connect 6. Application & Onboarding Process • Upload your resume • Complete a short AI interview (~15 minutes) • Complete a brief coding assessment testing debugging and technical depth • Receive follow-up communication regarding next steps and onboarding ⚡ PS: Mercor reviews applications daily. Please complete your interview and onboarding steps to be considered for this opportunity. ⚡ Apply tot his job Apply To this Job