Full-Stack Developer (Next.js/Node.js) for AI-Powered SaaS Platform — AWS + LLM Integration

We're building a production web platform using Next.js, Node.js, and MySQL, hosted on AWS, with booking/scheduling functionality, payment integration, and messaging automation. We're looking for a senior full-stack developer who can own the build end-to-end and layer in AI-assisted features (chat-based support, automated workflows) as the platform matures. What You'll Work On Full-stack development using Next.js (App Router), Tailwind CSS, Node.js, and MySQL AWS infrastructure setup and deployment (EC2, RDS, S3, CloudFront) Payment gateway integration (Razorpay) and communication APIs (Twilio SMS/WhatsApp) Booking/scheduling system with admin dashboard Future-phase: AI chatbot for customer inquiries, automated notification workflows, and potential RAG-based FAQ/support assistant Clean, documented, production-grade code — this is a long-term platform, not a one-off build Ideal Candidate 10+ years full-stack experience with Next.js/React and Node.js in production Hands-on AWS deployment experience (not just theory) Experience integrating third-party APIs (payments, messaging, auth) Bonus: experience adding LLM/AI features (chatbots, automation, RAG) to existing SaaS products Strong async communication, works well with overlapping US/India time zones Portfolio of shipped, live projects (not just personal repos) Engagement Milestone-based project with room to extend into a long-term/recurring engagement Clear specs and staged deliverables provided upfront