Bug Fixing in Backend Systems focuses on identifying, diagnosing, and resolving issues within server-side applications to ensure smooth and reliable performance. This service covers fixing API errors, database inconsistencies, authentication problems, server crashes, and unexpected application behavior. By thoroughly analyzing logs, debugging code, and testing system components, developers ensure that the backend runs efficiently and securely. The goal is to improve stability, prevent future errors, and maintain consistent performance for users. Effective backend bug fixing helps applications remain fast, secure, and fully functional under all conditions.