ML Engineer - Model Evaluation Expert

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Machine Learning Engineer — Model Evaluation & Experimentation
Type: Contract
Compensation: $60–$90/hour
Location: Remote
Commitment: 35 hours/week

Role Responsibilities

• Design tasks by transforming real ML research ideas into well-defined, multi-step tasks.
• Run experiments by implementing changes, executing training experiments, and analyzing results to define correct solutions.
• Explore reinforcement learning concepts such as reward functions and training behavior in task development.
• Evaluate frontier models' performance on tasks and identify areas of improvement.
• Collaborate with researchers to ensure tasks are consistent, rigorous, and fair.

Qualifications

Must-Have

• MSc or PhD in machine learning, computer science, or a related STEM field.
• 1+ years in a research or research-engineering role.
• Experience in training and evaluating ML models and conducting end-to-end experiments.
• Proficiency in Python and Git.
• Strong understanding of large language models and their evaluation.

Preferred

• Basic knowledge of reinforcement learning.
• Experience in AI training, model evaluation, or benchmark/task authoring.

Compensation & Legal

• Hourly contractor
• Paid weekly

Application Process (Takes 20–30 mins to complete)

• Upload resume
• AI interview based on your resume
• Submit form

Resources & Support

• For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
• For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.