Senior Full-Stack AI/Product Engineer — SaaS Technical Owner

About the role

Perenna OS wants one senior full-stack engineer to own a growing SaaS product end to end, including practical AI features, agents, automations, and retrieval workflows.

What you'll do

• Own product delivery from specification to deployment.
• Build and maintain frontend, backend, APIs, databases and integrations.
• Develop practical AI features, agents, automations and retrieval workflows.
• Design reliable multi-tenant SaaS architecture, authentication and permissions.
• Maintain testing, security, observability, documentation and deployment.

Requirements

• Strong React/Next.js and TypeScript experience.
• Strong Node.js and/or Python backend experience.
• PostgreSQL or equivalent relational database experience.
• Production AI/LLM integrations, RAG, tool/function calling or agent workflows.
• Deployment experience with AWS, Vercel, Docker or comparable infrastructure.
• Portfolio, live products or repositories showing end-to-end ownership.
• Excellent written English and proactive communication.

About Perenna OS

Perenna OS is building a growing SaaS platform; the founder is non-technical and wants one technical owner.

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