AI Software Developer

$90 - $110 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: Senior Software Engineer, Full Stack (Python, Java, Rust, C#, C++)

Type: Contract

Compensation: $90–$110/hour

Location: Remote

Commitment: 40 hours/week

Role Responsibilities

Build and ship full-stack applications, services, and internal tools in Python , Java , Rust , C# , C++ , or TypeScript to exercise frontier model capabilities.
Integrate pre-release model APIs into working software, including tool interfaces, evaluation harnesses, and telemetry.
Diagnose and document model and integration failure modes, translating engineering observations into clear written feedback for the research team.
Prototype quickly against shifting requirements, delivering working increments with limited up-front specification.
Collaborate with the engineering manager and other engineers to maintain consistency in code quality, architecture, and technical documentation.

Qualifications

Must-Have

6+ years of professional experience building and shipping production software.
Deep production experience in at least one of Python , Java , Rust , C# , or C++ .
Hands-on ownership across the stack: backend service and API design, a modern front-end framework ( React or equivalent), data modeling, and cloud deployment.
Ability to onboard onto an unfamiliar codebase and deliver working code quickly.
Strong written communication skills.

Compensation & Legal

W-2 employment with Cincinnatus LLC.

Application Process (Takes 20–30 mins to complete)

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Resources & Support

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Vacancy posted a month ago

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