Job Overview

Job Type

Contractor

Pay

$90–$110/hour

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Job description

Salary:: USD 90 - 110 per hour
Location:: United States
Work arrangement:: Remote

Role Summary

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.

Requirements

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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Additional Information

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Role:: AI Software Developer - Fully Remote | Upto $110/hr
Job Type:: Contractor

Company profile

mercor

mercor.com

Mercor is an AI data company that connects domain experts across hundreds of professional fields with frontier AI labs and enterprises. Experts on its platform train and evaluate AI models, and its APEX benchmark family measures how AI performs on real-world professional work. Mercor Enterprise helps large companies capture how their most skilled people work and turn that expertise into AI agents. Founded in 2023, the company has offices in San Francisco, NYC and London.

Founded: 2023
Funding Stage: Series C