Senior Full-Stack Architect / AI Platform Engineer (Long-Term SaaS Project)

We're building a next-generation AI-powered B2B SaaS platform that combines knowledge graphs, workflow automation, multi-agent AI, enterprise integrations, predictive analytics, and executive decision intelligence into a single platform. This is not a simple CRUD application. The platform includes: AI Agent Operating System Knowledge Graph Predictive Intelligence Engine Executive Intelligence Enterprise Integrations Workflow Automation Real-time Notifications Document Intelligence Multi-tenant SaaS Architecture Role-Based Workspaces AI-assisted Decision Support We already have an extensive architecture and product specification completed. We're looking for an experienced software architect and senior engineer to help transform the architecture into production-ready software.