Fanio is a song guessing game designed to challenge players' knowledge of music while focusing primarily on robust backend development. The main goal of this project was to create a solid backend infrastructure using Java Spring Boot, ensuring reliable and efficient server-side operations. The backend was developed to handle various game functionalities, such as user authentication, game state management, and score tracking. In addition to backend development, the project emphasized deployment skills. The application was successfully deployed to an AWS EC2 instance, ensuring a scalable and accessible online environment. An RDS database was used to store game data securely and efficiently, providing a seamless user experience. This project served as a comprehensive learning experience in backend development and deployment, highlighting the importance of creating a well-structured and maintainable server-side architecture.