Computer Scientist - AI Trainer

• Author, review, and annotate technical tasks to evaluate AI model performance on computer science problems.
• Produce original problem sets grounded in performance benchmarks, system architecture charts, and algorithmic complexity figures.
• Write reference solutions and apply structured quality checks to ensure task accuracy.
• Collaborate with AI research teams to improve training data quality and model outputs.
• Work independently and asynchronously with a flexible schedule to meet deadlines.

• PhD in Computer Science, or MS in CS with 3+ years engineering, research, or teaching experience, or BS in CS with 5+ years software engineering, systems, or applied CS practice.
• Working fluency in at least two of: algorithms, systems, databases, networks, ML, theory of computation.
• Comfortable reading and interpreting performance benchmarks, system architecture charts, and algorithmic complexity figures.
• Clear technical writing; able to articulate reasoning step-by-step in written form.

• Hourly contractor, Paid weekly via Stripe Connect.

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., Crunch Fitness + San Francisco, CA + $19.18-67.00 per hour WHO WE ARE Crunch Fitness is a rapidly expanding fitness brand with over 500 franchised and corporate-owned gyms across the United States and internationally. Rated as the #1 F…, © 2026 Careerjet All rights reserved