Senior Full-Stack AI Engineer – React, Next.js, Node.js & LLM Integrations

We’re looking for a Senior Full-Stack AI Engineer to build and scale a modern AI-powered SaaS product. You’ll own features end-to-end — from React/Next.js frontend and Node.js APIs to PostgreSQL, AI integrations, third-party APIs, and production deployment. Responsibilities Build web applications with React, Next.js & TypeScript Develop scalable Node.js APIs, webhooks & integrations Integrate OpenAI/LLM APIs and AI agents Build AI-powered workflows, automation and intelligent features Design PostgreSQL databases and backend architecture Implement authentication, subscriptions and dashboards Optimize performance, security and scalability Deploy using AWS/GCP/Cloudflare, Docker & CI/CD Use AI coding tools such as Cursor, Claude, ChatGPT or Copilot to ship faster Requirements Strong React, Next.js, TypeScript & Node.js Solid PostgreSQL/SQL experience Production experience with AI/LLM integrations Strong API and third-party integration experience Experience with SaaS/product development Good understanding of cloud deployment and scalable architecture Strong communication and ability to work independently Nice to Have AI Agents, RAG, Vector Databases, Stripe, Redis, Supabase, React Native, AWS/GCP, Docker. To Apply Please send: 2–3 relevant projects One AI/LLM project you've built Your experience with React/Next.js/Node.js AI coding tools you use Availability and hourly rate Please avoid generic proposals. We’re looking for someone who can take ownership from architecture to production.