AI-Native Platform Software Engineer - Full Stack

Sr. AI-Native Platform Software Engineer - Full Stack

Job Type: Contract To Hire (3-month)

Location: Fully remote, async-friendly

Work Setting: On-site

Position Summary

Unison Systems is looking for a skilled Sr. AI-Native Platform Software Engineer - Full Stack for our client located in Denver, CO. Our client is a well-funded start-up building the first fully integrated, interoperable, agent-native app engine - a shared operating layer that sits underneath AI-generated software to make it connected, trustworthy, reusable, and economically viable king directly with the founders and core team, you will help build and scale the product from early stage to a production-ready platform, demanding mastery of both traditional systems engineering and AI-native development.

This role is ideal for an engineer who is as comfortable writing systems code as orchestrating autonomous agent pipelines.

Key Responsibilities

• Build and ship full-stack features across the platform, spanning React frontend, backend services, databases, and infrastructure.
• Design and implement autonomous development and testing pipelines using AI agents, Playwright tests, and multi-agent orchestration running in parallel.
• Develop and refine the platform primitives (auth, payments, data, integrations, notifications, agents) that every app inherits.
• Integrate LLMs into production systems and manage multi-agent workflows.
• Collaborate with engineering and product to translate complex platform behavior into polished, intuitive user-facing experiences across web, mobile (React Native), and desktop (Electron).
• Contribute to the platform's security and trust layer, ensuring shared identity, permissions, and data handling meet a high bar.
• Set up and maintain end-to-end testing infrastructure as part of automated CI/CD and agent-driven development loops.
• Reason about complex systems, shared platform primitives, interoperability across apps, and fine-grained permissions while shipping reliable code.

Required Qualifications

• Degree in Computer Science or equivalent experience demonstrated through strong full-stack projects.
• Senior-level, full-stack engineering experience with the ability to write systems code and orchestrate autonomous agent pipelines.
• Fluency with AI coding assistants and agent frameworks - not just casual use, but building autonomous pipelines, managing multi-agent workflows, and integrating LLMs into production systems.
• Experience setting up end-to-end testing infrastructure (Playwright or similar) as part of automated CI/CD and agent-driven development loops.
• Strong across the stack:
  React/Next.js/Type Script on the front end, Node or Python services on the back end, with comfort across databases, APIs, and infrastructure.
• Ability to reason about complex systems, shared platform primitives, interoperability across apps, and fine-grained permissions, and to ship reliable code against that complexity.

Preferred Qualifications (Nice to Have)

• React Native experience.
• Experience building real-time/Web Socket-driven interfaces.
• Contributions to open-source projects.

About Unison Systems

Unison Systems is a national IT & Engineering Services firm that delivers secure, innovative technology solutions and resources for our clients ranging from the Fortune 500 to the U.S. Navy. We bring together the strongest talent and tools in the business to solve complex problems and build solutions that make a measurable impact. At Unison, we invest in our people, foster a collaborative culture, and give our team the opportunity to learn and grow their careers.

Unison is an equal opportunity employer. We are committed to creating an inclusive environment for all employees, and we do not discriminate on the basis of race, color, religion, sex, national origin, disability, or veteran status.