I'm a Senior MERN Stack Engineer with 5+ years of experience building scalable web and mobile applications with MongoDB, Express.js, React.js/Next.js, and Node.js. Delivered 10+ production-grade products across e-commerce, healthcare, education, travel, and creator economies, including real-time systems (WebSockets, 1,000+ concurrent connections), Stripe subscription billing, and multi-role admin platforms with role-based access control. Also experienced in adding AI-powered features (OpenAI API, LangChain) and in Docker, Nginx, and AWS deployments.