Full-Stack Engineer - AI Systems

$50 - $80 per hour

Full-time

Mercor

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 .

Application Process (Takes 20–30 mins to complete)

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Resources & Support

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Vacancy posted 1 day ago

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