What are the most important skills of a Java developer?
It is very important that a Java programmer has experience and skills in software development. Because Java is so widely used, there are a number of other necessary IT skills.
These include, but are not limited to:
Java-based Web services.
SQL, ORM and other database skills
Object-oriented analysis and design
Familiarity with J2EE
XML, X-query and XSL
It's also worth noting that a Java developer should have the ability to overcome the stresses and challenges of this particular role, such as the ability to learn new languages quickly, patience in finding problems, and creativity in solving problems: https://www.aimprosoft.com/blog/hire-java-developers/