Full-Stack Engineer - Ai Systems

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: Full-Stack Software Engineer Type: Contract Compensation: $50-$80/hour Location: Remote Role Responsibilities Write precise product specifications for application development and automatic grading. Build complete reference implementations that meet all written criteria. Author browser-driven acceptance criteria to verify user-visible behavior. Calibrate task difficulty using frontier models to achieve target performance. Verify tasks fail cleanly against empty repositories to ensure genuine feature development. Qualifications Must-Have 3+ years of professional full-stack engineering experience. Fluency in at least one modern frontend framework and one backend runtime. Experience with auth , permissions , payment flows , and file upload in production. Ability to specify systems precisely in writing. Comfort with Docker , Git , and command-line tooling. Preferred Experience building evaluations, benchmarks, or test suites for AI systems . #J-18808-Ljbffr Mercor Inc