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-readyBuild and ship full-stack features across React frontend, backend services, databases, and infrastructureDesign and implement autonomous development and testing pipelines using AI agents, Playwright tests, and multi-agent orchestrationDevelop and refine core platform primitives including auth, payments, data, integrations, notifications, and agentsCollaborate with engineering and product to translate complex platform behavior into polished user-facing experiences across web, mobile, and desktopContribute to the platform's security and trust layer, ensuring shared identity, permissions, and data handling meet high standardsRequirements:Bachelor's degree in Computer Science or equivalent experience demonstrated through strong full-stack projectsProficiency with AI coding assistants and agent frameworks, including building autonomous pipelines and managing multi-agent workflowsExperience setting up end-to-end testing infrastructure with Playwright or similar tools as part of automated CI/CD and agent-driven developmentStrong full-stack capability: React/Next.js/TypeScript frontend, Node or Python backend services, databases, APIs, and infrastructureAbility to reason about complex systems, shared platform primitives, interoperability, fine-grained permissions, and ship reliable codeBonus experience with React Native, real-time/WebSocket interfaces, and open-source contributionsUnison 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.