Java professionals perform multiple functions in programming, design or development under Java technology. They may be responsible for entire processes or simply contribute to one task on a team. These areas include development, coding, testing, analysis, re-coding, quality assurance, deployment or implementation and documentation. Java developers create software applications using primary the Java programming language.
The purpose of a Java developer is to:
• Conduct system installation
• Deploy software
• Debug code
• Prepare documentation
• Remain current on Java developments or changes
• Support user applications
• Perform administrative functions
• Attend meetings and sessions
• Update and regulate changes to applications
• Manage IT resources
• Follow client specifications
• Understand industry guidelines
• Optimise system performance

• Be systematic and thorough
• Have good written, verbal and listening skills
• Be a team player
• Be able to understand technical direction and information
• Be able to decipher codes and resolve issues
• Be persistent and focused
• Be professional and courteous
• Be able to work in diverse people and working conditions
• Be creative or innovative
• Be customer oriented
• Have superior technical and programming knowledge

Java developers must have expertise in programming and design. Developers must be highly competent and skilled in their area. Employers usually prefer their skills to their qualifications. Having qualification however is advantageous for job promotion, and dictating salary packages.