What are some typical challenges Java J2EE developers face when working on large-scale enterprise projects?

Java J2Ee Developers working on large-scale enterprise projects often encounter challenges such as integrating legacy systems, ensuring application scalability, and managing complex deployments across different environments. Collaboration with cross-functional teams—including QA, DevOps, and business analysts—is vital to address these challenges effectively. Staying up to date with evolving frameworks and best practices also plays a key role in delivering robust and maintainable solutions.