As a backend developer for the CSE Carnival project at Shahjalal University of Science and Technology, I played a pivotal role in orchestrating multiple event registrations, QR code generation, and email communication processes. Key Responsibilities include: 1. Designed and implemented robust backend solutions using Express.js framework to facilitate event registrations and participant management. 2. Utilized PostgreSQL database to store and manage registration data, ensuring data integrity and reliability. 3. Integrated Prisma ORM to streamline database interactions, improving code maintainability and scalability. 4. Developed QR code generation functionality to provide participants with unique identifiers for event access and tracking. 5. Implemented automated email communication system to send personalized messages to participants and teams, enhancing engagement and communication efficiency. 6. Collaborated closely with frontend developers, designers, and project stakeholders to align technical solutions with business requirements and user expectations. 7. Contributed to the project's success by delivering high-quality code, resolving technical challenges, and meeting project deadlines.