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Posted 1 weeks agoMachine Learning Engineer
at Mercor
San Francisco, United StatesOn-site
Requirements
- ABOUT MERCOR Mercor's mission is to organize human intelligence to power the AI economy.
- We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development.
- Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone.
- Mercor is creating a new category of work where expertise powers AI advancement.
- You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society.
- About the Role As a Machine Learning Engineer at Mercor, you’ll operate at the intersection of backend engineering and applied machine learning.
- ML Engineers at Mercor are generalists first, shipping production systems that power performance prediction, search, recommendation, and fraud detection while also bringing statistical and modeling rigor where it matters.
- You will: - Research, train, and productionize ML models for engagement prediction, scoring, search - Build backend infrastructure and APIs to serve ML models reliably at scale. - Run experiments, analyze results, and iterate quickly to improve both models and product performance. - Work cross-functionally with Operations and Product to translate business needs into model-driven solutions. - Wear many hats: from backend engineer to applied ML practitioner to product problem-solver.
- Python/Django or similar) plus a solid foundation in applied ML and statistics. - Proven
- experience shipping production systems or ML-driven products end-to-end. - High ownership and comfort operating in ambiguous, fast-changing environments. - Generalist mindset: willing to flex between backend, modeling, data pipelines, and product problem-solving.
- Why Mercor - Impact: Your work powers how the world’s leading AI labs train and test their models. - Learning: Get early insights into frontier model capabilities months before the market. - Growth: Work on both infrastructure and research-adjacent projects with fast paths to ownership.
Benefits
- Today, more than 30,000 experts in our network collectively earn over $2 million a day.
- Mercor is a profitable Series C company valued at $10 billion.
- Benefits - Bi-annual performance bonus structure - Generous equity grant vested over 4 years - Up to $15k Relocation bonus - $10K housing bonus (if you live within 0.5 miles of our office) - $1.5K monthly stipend for meals - Free Equinox membership - $200 monthly laundry reimbursement - $200 monthly personal wellness reimbursement - Health, Dental, Vision insurance