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 with state-of-the-art large language models. Create high-quality data by developing difficult problems in your domain. Evaluate and improve AI model performance through rigorous testing and feedback. Collaborate with AI research teams to enhance training data quality. Work independently and asynchronously to meet project deadlines. Qualifications Must-Have PhD or advanced degree (or equivalent industry experience) in Medicine, Healthcare, Statistics, Data Science, AI/ML Research, Computer Science, Game Development, or Mechanical/Aerospace Engineering. High attention to detail. Exceptional written and verbal communication skills. Interview Process Complete a short interview and task (20–30 mins). Paid onboarding time includes this and a few 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 improve state-of-the-art large language models through high-quality data development. Evaluate and enhance AI model performance via rigorous testing and collaboration with research teams.

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

Identified from the job description. Confirm important requirements above.

• AI/ML Research
• Large Language Models
• Data Science
• Technical Writing
• Model Evaluation
• Subject Matter Expertise
• Rigorous Testing
• Data Quality Enhancement

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

Minimum education

Master’s degree

Minimum experience

5+ years

Apply by

Sep 9, 2026

Posting language

English

Working hours

40 hours per week

Location requirements

Country, Toronto, Ontario, Canada

Seniority

Not Applicable