Design, develop, and maintain scalable full-stack web applications using Node.js for backend services and React.js for modern, responsive front-end interfaces. Deliver clean, maintainable, and high-performance code while following best practices in architecture, security, and performance optimization.

Build and integrate RESTful and event-driven APIs, implement authentication and authorization mechanisms, and ensure seamless communication between front-end, backend, and third-party services. Collaborate closely with product managers, designers, and cross-functional teams to translate business requirements into robust technical solutions.

Leverage cloud platforms (AWS/Azure/GCP) to design, deploy, and manage highly available and fault-tolerant systems. Implement CI/CD pipelines, infrastructure automation, logging, and monitoring to ensure reliability and smooth production releases.