Senior Full-Stack & Mobile Developer | MERN | React Native | Microservices | AI/LLM Integrations I am an experienced full-stack engineer with strong proficiency in the MERN ecosystem and React Native, specializing in architecting scalable, high-performance applications. I build production-grade systems with clean architecture, modular codebases, optimized API layers, and reliable database structures. My development approach emphasizes performance, scalability, security, and maintainability. I have hands-on experience designing microservices, implementing RESTful and event-driven architectures, and integrating advanced AI/LLM workflows into web and mobile applications. Core Technical Competencies: Full-stack engineering with MongoDB, Express.js, React, Node.js React Native mobile app development (Android & iOS) Microservices, API gateway, service-to-service communication RESTful API design, authentication flows (JWT, sessions, OAuth) High-performance backend development with Node.js & Express Open AI/GPT/LLM integration, AI-powered automation and assistants Component-driven UI using Tailwind CSS, Bootstrap, reusable UI patterns Database modelling, indexing, aggregation, and performance tuning Best practices: clean code, modular architecture, CI/CD-ready structures I deliver robust, scalable, and production-quality solutions with a strong focus on system architecture, clean code principles, and real-world problem-solving. If you need an engineer who can design, build, optimize, and deploy modern web or mobile applications, let’s collaborate and bring your project to a professional level.