A Java Developer is a programmer who specializes in the development and deployment of applications and software using the Java programming language. Java is a popular, cross-platform, object-oriented programming language, which means that it can run on a variety of systems, including Windows, macOS, and Linux.
Java Developers are responsible for writing, testing, and maintaining code, as well as working with other members of a development team to design and implement new features and functionality. They may also be involved in debugging and troubleshooting existing code, and maintaining and improving the performance of existing applications.