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Job Description
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 that exercise frontier model capabilities end to end.
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.
Work independently and asynchronously to meet deadlines while improving AI model performance.
Qualifications
Must-Have
6+ years of dedicated professional experience building and shipping production software at a recognized, top-tier organization.
Deep production experience in at least one of Python, Java, Rust, C#, or C++, plus demonstrated delivery in a second language across a different ecosystem.
Hands-on ownership across the stack: backend service and API design, a modern front-end framework (React or equivalent), data modelling, and cloud deployment and operations.
Demonstrated ability to onboard onto an unfamiliar codebase and deliver working code quickly with minimal ramp-up.
Strong written communication skills and the ability to explain complex technical decisions clearly.
Ability to engage reliably for at least 40 hours/week during weekdays.
Compensation & Legal
W-2 employment with Cincinnatus LLC.
Paid weekly via payroll.
Application Process (Takes 20-30 mins to complete)
Upload resume
AI interview based on your resume
Submit form
Resources & Support
For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
For any help or support, reach out to: support@mercor.com
PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.
Work arrangement
Yes
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