Full Stack Software Engineer (Remote)

Remote full-time position with a leading AI lab’s GenAI team. Build foundational AI models from the ground up and ship production software on frontier models before they launch.

Responsibilities

• Build and ship full-stack applications, services, and internal tools—using 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.

Requirements

• 3+ years of dedicated professional experience building and shipping production software at a recognized, top-tier organization.
• Production experience in at least one of Python, Java, Rust, C#, or C++, plus working proficiency in a second language.
• Hands-on experience with modern application stacks and full-stack development workflows.
• Familiarity with API integration, evaluation frameworks, and telemetry systems.
• Ability to rapidly onboard, adapt to evolving requirements, and deliver working code.
• Strong written communication skills for documenting technical observations and feedback.

About the Opportunity

This role offers a unique opportunity to work with a global leader in the Technology, Information and Internet | Research Services industry, contributing to the development of the most advanced large language models. The position is a W-2 employment with Cincinnatus LLC, with the opportunity to be placed at the AI lab as part of their extended workforce.

Pay range: $50–$65 per hour.