AI-Native Platform Software Engineer - Full Stack

Unison Systems is seeking an AI-Native Platform Software Engineer - Full Stack to join our client's team on a fully remote basis.

This is a 3-month contract-to-hire role with a start date of ASAP. The position is fully remote with async-friendly work arrangements. Our client is a well-funded startup building an agent-native app engine - a shared operating layer that makes AI-generated software connected, trustworthy, reusable, and economically viable at scale.

Responsibilities:

• Work directly with founders and core team to build and scale the platform from early stage to production-ready
• Build and ship full-stack features across React frontend, backend services, databases, and infrastructure
• Design and implement autonomous development and testing pipelines using AI agents, Playwright tests, and multi-agent orchestration
• Develop and refine core platform primitives including auth, payments, data, integrations, notifications, and agents
• Collaborate with engineering and product to translate complex platform behavior into polished user-facing experiences across web, mobile, and desktop
• Contribute to the platform's security and trust layer, ensuring shared identity, permissions, and data handling meet high standards

Requirements:

• Bachelor's degree in Computer Science or equivalent experience demonstrated through strong full-stack projects
• Proficiency with AI coding assistants and agent frameworks, including building autonomous pipelines and managing multi-agent workflows
• Experience setting up end-to-end testing infrastructure with Playwright or similar tools as part of automated CI/CD and agent-driven development
• Strong full-stack capability: React/Next.js/TypeScript frontend, Node or Python backend services, databases, APIs, and infrastructure
• Ability to reason about complex systems, shared platform primitives, interoperability, fine-grained permissions, and ship reliable code
• Bonus experience with React Native, real-time/WebSocket interfaces, and open-source contributions

Unison Systems is Colorado's leading IT staffing and engineering consulting firm - apply today and let us put our 27 years of expertise to work for you.