Sagar Biswal

I have hands-on experience building full-stack, scalable, and user-centric applications using Java, Spring Boot, React, Angular, Node.js, and modern databases. I have developed end-to-end solutions ranging from enterprise applications to IoT systems, with expertise in REST APIs, JWT authentication, role-based access control, payment gateway integration, cloud databases, and responsive UI development. My experience includes designing secure backend architectures, creating intuitive frontend interfaces, integrating third-party services, and deploying production-ready applications while following clean coding practices and Agile development methodologies.