Java Developer Job Description

Java developers analyze user needs and business objectives, determine program features and functionality, and recommend changes to Java-based systems, among other tasks. This article will cover a Java developer job description, as well as the daily roles, responsibilities, skills, and qualifications required to become a Java developer will be curated in detail.

In 1995, Sun Microsystems developed the Java programming language. It is a class-based, concurrent, object-oriented language that is based on the syntax of C and C++. Java is safe, fast, and can do many different things. So, it's best to make web applications, game technology, software design, and mobile applications. Java is excellent for cross-platform apps like Android, the web, machine learning environments, cloud apps, and the Internet of Things (IoT).

A Java developer is a professional who uses Java programming to design, build, and maintain software applications. Java developers use different libraries, frameworks, and tools to make scalable, complex, high-performance apps that run on servers, mobile devices, desktop computers, and other platforms. They work with cross-functional teams to ensure their applications meet business and user needs. They work in many fields, such as healthcare, finance, gaming, and e-commerce.

Java Developer Job Description - Table of Contents

Who is a Java Developer?

Software engineers that focus their careers on designing applications using the Java programming language are referred to as Java Developers. Together with these specialised programmers, engineers and web developers may design business apps and websites written in the target language. Careful attention to detail is required when running Java programs.

Java developers must be good at analyzing and solving problems, have experience with Java development frameworks and database systems, and be able to use integrated development environments (IDEs) to code, debug, and test Java applications. Java developers use their knowledge of OOPS and technical skills to make robust solutions that meet the needs of businesses. During the development process, Java developers also work with other team members, like project managers and designers, to make sure that projects are finished on time and to high-quality standards.

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What Does a Java Developer Do?

Java developers are responsible for creating applications and software using Java programming. These specialized programmers collaborate with other web developers, software engineers, and others to use Java to develop business websites, applications, and other things.

Java developers work on a product or solution throughout the whole development process. They can find problems, determine what's wrong with them, and develop reasonable solutions. Employers look for new and experienced Java developers, depending on their needs. A wide range of daily responsibilities can be assigned to a Java developer due to the popularity of the language among businesses of all sizes.

Java Developer Roles & Responsibilities

Java Developer Roles

  • Analyzing user requirements in order to improve application design.
  • Software development and testing. 
  • Troubleshooting and resolving technical issues as they arise.
  • Creating and deploying Java-based applications.
  • Defining the application's goals and functionality.
  • Creating comprehensive design documentation.
  • Changes to existing Java infrastructure are suggested.
  • Aligning application design and business objectives.
  • Create multimedia applications.
  • Creating documentation to aid users.
  • Software solutions for Java application development include designing, debugging, planning, and coding.
  • Assuring ongoing professional development.
  • Writing and implementing reusable and efficient Java code.
  • Create Java-based software by following industry best practices.
  • Give technical assistance to software users.
  • Test the software to ensure it meets the specifications and performs well.
  • Troubleshoot any software issues.
  • Collaborate with product managers and designers to ensure that the software is well-designed and meets the needs of the users.
  • Collaborate with software engineers to ensure the highest quality code.

Java Developer Responsibilities

The key Java developer responsibilities include as follows:

  1. Using the Java programming language to write code that is both clean and effective.
  2. Working in conjunction with multi-functional teams to conceptualize, create, and test various software solutions.
  3. Detecting and fixing software bugs in a timely manner through debugging and analysis.
  4. Documentation of software development initiatives, including creation and maintenance of technical documentation.
  5. Taking part in code and design evaluations to make certain that the code is of high quality and consistent throughout.
  6. Developing and maintaining software tests at the unit level to confirm its functionality.
  7. Finding areas in which software could be improved and providing suggestions about how to do so.
  8. Providing support for and making enhancements to pre-existing software applications.
  9. Maintaining current knowledge of developing tendencies and technology in the field of software development.
  10. Taking part in agile approaches for the creation of software, such as Scrum or Kanban.
  11. In order to guarantee that projects are finished on schedule and according to business objectives, Java developers must collaborate closely with other designers, developers, stakeholders, and project managers.
  12. Java developers must keep up with the most recent industry trends and best practices to guarantee that their apps employ the most recent and efficient methods.
  13. Existing Java programs must be maintained and updated to remain functional and fulfill business requirements.

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Java Developer Soft Skills

As a Java developer, you should also have the following soft skills in addition to your technical skills:

  • Knowledge of the Java programming language and its ecosystems.
  • Ability to create reusable Java libraries.
  • Knowledge of concurrency patterns in Java.
  • Knowledge of many design and architectural patterns.
  • Capability to write understandable, clean Java code.
  • Ability to manage external and embedded databases.
  • Continuous integration know-how.
  • Knowledge of building technologies like Maven, Ant, Gradle, etc.
  • A fundamental comprehension of the JDBC (Java Database Connectivity), MVC (Model-View-Controller) Pattern, and RESTful web services.
  • Solid understanding of Object-Oriented Programming (OOP) Concepts and Patterns.
  • Relevant Knowledge of Java GUI frameworks such as SWT, Swing, and AWT, as required by the project.
  • Familiarity with common web application frameworks, such as Spark and Play.
  • Knowledge of code versioning systems, such as Git, in depth.
  • Building testing platforms and unit tests that are automated.
  • Capable of building database schemas that support and characterize business processes.
  • JVM (Java Virtual Machine) fundamentals, including its drawbacks, weaknesses, and remedies.
  • Understanding the fundamental design concepts underlying a scalable application.

[ Related Blog: Web Developer Job Description ]

Java Developer Technical Skills

If you want to be taken seriously as a Java developer, you need to have the following technical abilities:

  1. Core Java: You should be fluent in Java and familiar with its fundamental concepts, including data types, OOps design, and control structures.
  2. Java Frameworks: Hibernate, Spring, and Struts are all common Java frameworks that you should be familiar with.
  3. Java Libraries: You need to have experience with Java libraries such as Swing, JavaFX, and the Java Collections Framework.
  4. Database Management: You should have an understanding of DBS, including Oracle, MySQL, and PostgreSQL, as well as familiarity with SQL.
  5. Web Technologies: You should be well-versed in JavaScript, CSS, HTML, and jQuery, among other web technologies.
  6. Integrated Development Environments (IDEs): You should be well-versed in utilizing NetBeans, Eclipse, and IntelliJ IDEA, among other popular IDEs.
  7. Source Control: You need to be familiar with version control systems and be able to use tools like Subversion, Git, and Mercurial.
  8. Agile Methodologies: Kanban and Scrum are examples of Agile methodologies you should be conversant with.
  9. Software Testing: Software testing tools, such as TestNG and JUnit, are something you should be familiar with.
  10. Cloud Computing: Cloud computing environments like Microsoft Azure and Amazon Web Services (AWS) should be familiar to you.

Java Developer Qualifications And Requirements

  • Graduation in computer science or a closely related discipline.
  • Five years' or more of relevant experience developing in Java.
  • The ability to create and maintain websites with proficiency.
  • Have a solid foundation in Java and Java EE.
  • Superior abilities in analysis, problem solving, and troubleshooting.
  • Possessing the capacity to function well in both individual and group settings.
  • Capabilities in both hardware and software (Unix-based systems a plus).
  • Awareness of relational database concepts (Oracle, SQL Server, DB2).
  • Knowledge with agile methodologies and experience with application servers and web application frameworks.

[ Check out Highest Paying IT Jobs in India ]

Companies That Hire Java Developers

In today's market, Java developers are in high demand. To name just a few of the most prestigious employers of Java programmers:

  • IBM
  • LinkedIn
  • Uber
  • Netflix
  • Salesforce
  • Amazon
  • Oracle
  • Airbnb
  • Microsoft
  • Google
  • Twitter
  • Facebook
  • Intel
  • Accenture
  • PayPal.

Although these are some of the more well-known employers of Java programmers, there are plenty of others, both big and small, that do the same. Because of the widespread adoption of Java, developers with expertise in the language may find work in a wide range of sectors, from banking and finance to healthcare and retail.

[ Also Check out Most In Demand Tech Skills To Learn ]

Java Developer Salary Trends

Although the average salary for a Java developer is high, this can vary widely based on factors such as the developer's level of expertise, the company they work for, and any relevant qualifications they may have earned. 

Salary for a Java programmer can be affected by the following variables.


A Java developer's salary may also be affected by the sector in which they work. A Java developer's salary is highest in the financial sector, followed by healthcare and then technology. Java engineers in the financial sector, for instance, can expect an annual pay of $100,000 to $150,000, while their healthcare sector counterparts might expect a compensation of $90,000 to $120,000.


With more experience, comes a higher salary for Java developers. 

  • An entry-level Java developer with less than two years of experience can anticipate an annual compensation of $60,000 to $80,000.
  • A mid-level Java developer with three to five years of experience can expect an annual income of $80,000 to $120,000. 
  • Those with 10+ years of experience as a senior Java developer can expect to earn upwards of $200,000 annually.


The income of a Java developer may also be affected by the developer's certification status. Earnings potential for Java developers is enhanced by certifications like Oracle Certified Java Developer (OCJD) and Oracle Certified Professional Java Developer (OCPJD). For instance, the average salary range for a Java developer with an OCJD certification is between $80,000 and $100,000 per year, while the average salary range for a Java developer with an OCPJD certification is between $120,000 and $150,000 per year.

How to Become a Java Developer?

To become a Java developer, you need a mix of skills, experience, and education. You can follow these steps to become a Java developer:

  • Get a graduation in computer science or a similar field: To land a career as a Java developer, you'll need a degree in computer science or a closely related discipline. 
  • Learn Java programming: Learning Java can also be accomplished by attendance at coding bootcamps and participation in online courses.
  • Practice coding: Java is a widely used programming language with many learning resources. You may get started with Java programming by reading books, taking courses online, or watching videos.
  • Build a portfolio: After you've mastered the fundamentals of Java programming, it's time to put what you've learned into practice. Participate in coding competitions, create tiny projects, or add to open-source initiatives.
  • Create a portfolio: Create a portfolio of your work as you acquire experience in Java programming. Anything you've worked on, contributed to, or won in a coding competition counts.
  • Look for entry-level Java developer jobs: Get some experience and a portfolio together, and then start applying for entry-level Java developer employment. Internships and entry-level development roles are examples.
Learn Java Interview Questions and Answers that help you grab high paying jobs

Java Developer FAQs

1. What does a Java developer do?

A Java developer uses the Java programming language to design, build, and keep up software solutions.

2. What skills do you need to be a Java developer?

A Java developer must have some of the most important skills:

  • Knowledge of the Java programming language and its ecosystems.
  • Object-Oriented Programming (OOP) Concepts and Patterns.

3. What is the Java developer entry-level job description?

An entry-level Java developer's primary responsibility is to create software and applications by making use of several computer languages. Your primary responsibility in this function will be to write, test, and correct errors in code that has previously been created. 

4. Is Java Developer a tough job?

Yes, It isn't easy to become a Java developer. You can become a Java developer with sufficient software development experience and the necessary motivation.

5. Should I introduce myself as a Java programmer?

You can introduce yourself as a Java developer by stating that you are fluent in the Java programming language and other associated technologies, such as Hibernate, Spring, and Maven, and that you specialize in creating software applications.

6. Is it simple to work as a Java developer?

No, it's not easy to be a Java developer because you need to know a lot about the Java programming language, Oops, and software development tools and frameworks.

7. Which job is best for a Java developer?

Some of the best jobs are:

  • Full-Stack Developer
  • Java Developer
  • Web Developer
  • Backend Developer
  • Software Engineer
  • Android Developer.

8. Can I get a Java developer job with no experience?

It is possible to obtain a position as a Java developer without experience, although it can be difficult. The majority of employers prefer individuals with appropriate experience or certificates. Yet, some companies offer Java developers entry-level roles or internships with on-the-job training and coaching.


A career as a java developer can be pursued in a variety of industries. To prepare for a career in Java development, you must focus on professional growth and acquire the required abilities listed in the Java developer job description. If you're prepared to take the next step in your new career, enroll in MindMajix's Best Core Java Development Course. It covers the essential standards and expertise required to advance your career in project management.

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Last updated: 26 May 2023
About Author

Viswanath is a passionate content writer of Mindmajix. He has expertise in Trending Domains like Data Science, Artificial Intelligence, Machine Learning, Blockchain, etc. His articles help the learners to get insights about the Domain. You can reach him on Linkedin

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