While learning Java will prepare you to pursue Junior Java Developer and Java Developer jobs, it is also a good foundation for developer jobs of any kind. Java can lead to a career as an Android developer or back-end developer, and because it is suited to large-scale systems, it's also good for those seeking a developer position in a large corporation. Industries that rely heavily on Java include Big Data, mobile computing, and games. A Java Developer earns an average annual salary of $104,350.\r