A senior Java developer should be proficient with Java. Java programming language. The position generally requires a minimum master's level degree in computing or another related field. The majority of the time an experienced Java developer should have minimum five years' experience in Java applications. The majority of employers require the senior Java developer to be able to work using other tools like Oracle, HTML, and Javascript.
The position of the senior Java developer typically holds an executive position that has the responsibility of programming at a high level. Since they are often in a team environment the senior Java developers need to be able to communicate effectively with other team members. Their responsibilities could include guiding junior developers, or collaborating with other team members regarding projects.
The majority of employers will require Java developers with seniority capable of being able to tackle many issues while determining their level of importance. They are also expected to solve problems and have the ability to think out of the box. A person in this position should be highly detail-oriented, but capable of seeing what is the "big picture" while at the same time. They must be able to communicate their ideas clearly and be able to be open to feedback and listen from other people.