What Does A Java Developer Do: Duties And Responsibilities

There are still many software and mobile apps out there that use Java technology. Behind this robust technology are a team of experienced Java developers. The huge adoption of Java across numerous organizations owing to its versatile nature has made it one of the most highly-in-demand languages worldwide. A Java developer is sought for front-end and server-side development as well as for designing independent applications and tools using Java.

The senior Java developer positions are highly responsible for project development. Mainly for back-end programming but also user interface development. For example, Google Docs – a document management application that is very similar to Microsoft Word. But all changes here are saved automatically, and if you are authorized with Google on your devices, you can always open and work with a document everywhere without having to download it. And of course, we need to mention Android – after all, it originates from the Java Virtual Machine.

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If you did a four-year program at a college or university, you may be able to find a club or a few classmates who are willing to pair program with you. If you attended neither, you can find Java Developer groups on Facebook, LinkedIn, Reddit, and other social media sites. You might be able to make some friends who are at a similar java developer course level of Java proficiency to practice with, who are also on the job hunt. If you’re truly having trouble finding another person to code with, you can always find someone on Codementor. The technical skill includes the technology-specific skill whereas the professional skill includes the common software development skill.

  • While not disclosed in most of the job descriptions, the salary a JAVA developer may require is a topic of utmost importance for both IT specialists and talent recruiters.
  • In Java, concurrency control and multi-threading concurrency are the two most important topics of advanced Java.
  • This means you will need to attend regular standups and meetings, help colleagues with problems, and help your team plan and manage your projects.
  • A senior Java developer may analyze complex problems, develop documentation, review coding, and evaluate the development process.
  • The skills listed above are the basic ones the company would ask for.

Other courses are also seen as helpful too, such as a degree in Applied Computer Methods, Applied Mathematics, Robotics, Mechatronics or Electrical Engineering. Testing, maintenance and updates are also vital aspects of a Java developer’s everyday grind. Core JavaThings to focus on – Syntax, Object-oriented programming (OOP), Design Patterns, Interface, Serialization, Data Structures, and Algorithms. They possess strong communication skills as they should not just offer the best solution but also convince a customer why the solution is best. This is something that you can add to your resume to showcase your problem-solving and practical coding skills.


As you will understand your project intimately as a developer, your employer will expect you to develop end-user documentation to help people use your program. This documentation includes installation guides, user manuals, release notes, and training manuals. As no project is ever perfect, Java developers are responsible for resolving errors in their programs.

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