What are some common challenges Sr Core Java Developers face when working on large-scale enterprise applications?

Sr Core Java Developers often encounter challenges such as maintaining code quality in complex systems, optimizing application performance, and ensuring scalability as user demands grow. They also need to navigate legacy codebases, integrate with various third-party APIs, and coordinate with cross-functional teams like DevOps, QA, and business analysts. Effective communication and strong problem-solving skills are essential to address these challenges and deliver robust, maintainable solutions.