AI Research Scientist - PhD

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: STEM PhDs and Technical Domain Experts Type: Contract Compensation: $55–$80/hour Location: Remote Role Responsibilities Contribute subject matter expertise to a cutting-edge project involving state-of-the-art large language models. Create high-quality data by developing difficult problems in your domain to inform the future of AI innovation. Collaborate with AI research teams to enhance model reasoning and outputs. Work independently and asynchronously to meet deadlines and improve AI model performance. Provide structured feedback to elevate training data quality and downstream performance. Qualifications Must-Have PhD or advanced degree (or equivalent industry experience) in Medicine / Healthcare, Statistics and Data Science, AI / ML Research, Computer Science, Game Development, or Mechanical / Aerospace Engineering. High attention to detail. Exceptional written and verbal communication skills. Start Date Applications reviewed on a rolling basis. Interview Process Complete a short interview and task (20–30 mins). Paid for up to 1 hour of onboarding time including this and onboarding videos if hired. 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: [email protected] PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Contribute subject matter expertise to develop high-quality data and difficult problems to improve the reasoning and performance of state-of-the-art large language models. Collaborate with AI research teams to provide structured feedback and enhance model outputs.

Requires a PhD or advanced degree in fields such as Medicine, Statistics, AI/ML, Computer Science, or Engineering. Candidates must possess exceptional communication skills and high attention to detail.

• Machine learningPreferred

Identified from the job description. Confirm important requirements above.

• Large Language Models
• AI Research
• Machine Learning
• Data Science
• Technical Writing
• Model Reasoning
• Subject Matter Expertise
• Data Quality Analysis

• Science & Research
• Technology
• Software
• Engineering
• Data & Analytics

Minimum education

Master’s degree

Minimum experience

5+ years

Apply by

Sep 28, 2026

Posting language

English

Working hours

40 hours per week

Location requirements

Country, Toronto, Ontario, Canada

Seniority

Not Applicable