Full-Stack Developer (React, Node.js, Next.js) with AI/RAG Integration for SaaS Platform

We're looking for an experienced Full-Stack Developer to help build and scale a production-grade SaaS platform. This is a long-term opportunity for the right person — we want someone who can take full ownership from architecture through deployment, not just execute tickets. What we need: Architect and build multi-tenant SaaS features end-to-end: database schema, API design, frontend, deployment Build modern, scalable frontends using React, Next.js, and TypeScript Develop backend services and APIs using Node.js / NestJS (REST and/or GraphQL) Integrate and maintain Stripe subscription billing (Stripe Connect a plus) Implement AI-powered features: RAG pipelines, AI chatbots/agents, LLM integration (OpenAI API, AWS Bedrock, or similar) Deploy and manage infrastructure on AWS (Lambda, ECS, S3, Cognito, etc.) Work with PostgreSQL / MongoDB and Redis for data layer and caching Collaborate on CI/CD pipelines and Docker/Kubernetes-based deployments Ideal skills & experience: 5+ years of full-stack development experience Strong hands-on experience with React, Next.js, Node.js, TypeScript Proven experience shipping production SaaS platforms with real users (not just prototypes) Experience building or integrating AI features into live products (RAG, chatbots, AI agents) Experience with AWS cloud services and multi-tenant architecture Strong communicator, comfortable owning a project without heavy hand-holding Experience with React Native is a plus (if mobile work is involved)