Despite its age and legacy, Java remains one of the most popular programming languages. According to a 2020 Statista report, nearly 68% of software developers around the world use Java as a programming language. No wonder Java developers are high in demand. If you are passionate about technology and interested in building a career as Java Developer, look no further. In this blog post, we’ll share the Java Developer job description and everything you need to know to become an expert Java professional. 

Developed first in 1995 by Sun Microsystems, Java is a concurrent, class-based, and object-oriented programming language based on the syntax of C and C++. Java is fast, secure, and extremely versatile – hence preferred to develop applications like software design, gaming technology, and web and mobile applications. Java is an excellent choice for cross-platform applications like web applications, Android apps, cloud applications, machine learning environments, and the Internet of Things.

A Java Developer is a programmer who designs, develops, and manages Java-based applications and software. With most large organizations using Java to implement software systems and backend services, a java developer is one of the most sought-after jobs of 2021. 

Read on to explore key concepts like Java Developer Job Description, java developer roles and responsibilities, java developer skills, and java developer salary. 

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Moving forward, let us discuss the first java developer job description aspect: roles and responsibilities.

Java Developer Job Description- Responsibilities

A developer is responsible for several java developer duties throughout the software development lifecycle, from concept and design to testing. The developer is required to create user information solutions through the development, implementation, and maintenance of Java-based components and interfaces.   

Java Developer Job Description- Roles

Java developer roles will vary greatly depending on companies and job positions. Here are some typical roles and responsibilities of java developers:

  • Contribute to all Stages of Software Development Lifecycle
  • Design, implement and maintain Java-based applications that can be high-volume and low-latency
  • Analyze user requirements to define business objectives
  • Envisioning system features and functionality
  • Define Application Objectives and functionality
  • Ensure Application Designs Conform with Business Goals
  • Develop and Test Software
  • Identify and Resolve any Technical Issues Arising
  • Create Detailed Design Documentation
  • Propose Changes to current Java infrastructure
  • Develop Technical Designs for Application Development
  • Develop Multimedia Applications
  • Write Well Designed, Testable Code
  • Conducting Software Analysis, Programming, Testing, and Debugging
  • Manage Java and Java EE Application Development
  • Develop Documentation to help users
  • Transforming Requirements into Stipulations
  • Prepare and Produce Releases of Software Components
  • Support continuous Improvement - investigating alternatives and technologies, and presenting for architectural review 

Detailed Breakdown of Java Developer Job Description Duties

Program Architecture 

A key function that Java Developers provide during project development

Requirement Gathering

The first step to working on a project is to gather requirements from all involved, prioritize important tasks, determine the scope of work on the whole and course of action. 


In this phase, the Java developer writes the program code, tests it, and makes changes if needed 


Involves testing and debugging each feature after it is completed


In this phase, fully functional code is transferred to a live environment

Other java developer responsibilities include Software maintenance and optimization, project management, leading and liaising, and vendor management. 

Java Developer Job Description Skills-

Java Developers need an extensive range of skills, from in-depth knowledge of the basics to a thorough understanding of the current developments. Experts in Java are also expected to know how the development process works and how to transition between the environments where the code runs.  

Some of the Java Developer key skills include:

  • Proficiency in Java, with a good understanding of its ecosystems
  • Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts
  • Familiarity with different design and architectural patterns
  • Skill for writing reusable Java libraries 
  • Knowhow of Java concurrency patterns
  • Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
  • Experience in working with popular web application frameworks like Play and Spark
  • Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
  • Ability to write clean, readable Java code
  • Basic knowhow of class loading mechanism in Java
  • Experience in handling external and embedded databases
  • Understanding basic design principles behind a scalable application
  • Skilled at creating database schemas that characterize and support business processes
  • Basic knowledge of JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
  • Implementing automated testing platforms and unit tests 
  • In-depth knowledge of code versioning tools, for instance, Git
  • Understanding of building tools like Ant, Maven, Gradle, etc
  • Expertise in continuous integration

Other required skills of java developer include the basic knowledge of:

  • JavaServer pages (JSP) and servlets
  • Web frameworks like Struts and Spring
  • Service-oriented architecture 
  • Web Technologies like HTML, JavaScript, CSS, JQuery
  • Markup Languages such as XML, JSON
  • Abstract classes and interfaces
  • Constructors, lists, maps, sets
  • File IO and serialization
  • Exceptions
  • Generics
  • Java Keywords like static, volatile, synchronized, transient, etc
  • Multithreading and Synchronization

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Educational Requirements

Qualified professionals from various backgrounds can develop a java developer skillset to become successful Java developers. Bachelor’s Degree or Master’s degree in Computer Science, Computer Engineering or related field is preferred by many employers. Hands-on software development experience, especially in Java, will boost your chances of bagging a high-paying Java developer job. 

If you are an experienced full stack Java Developer looking for a challenging position where you can learn more and improve your skillset, consider a certification from a top-rated java developer program. 

Java Developer Job Description- Salary

The most pertinent question any aspiring Java Developer would have is - how much does a Java Developer make?

According to, the average Java Developer Salary in India is about ₹630,096 annually.

An entry-level Java developer having less than 1 year of experience can expect to earn ₹293,272 annually. A Java Developer with 1-4 years of experience earns an annual average salary of ₹425,983, while mid-level developers having 5-9 years of experience can be paid nearly ₹873,299 in a year. Highly experienced Java developers with 10-19 years of experience earn an average total compensation of ₹1,396,371 yearly. 

Glassdoor reports that the average junior java developer salary in the US for an entry-level Java Developer is $77,761. Junior developers earn about $75,697 annually. Senior Java Developer salary can be $106,542 (the average annual base salary). 

According to CWjobs, the average java programmer salary in the UK is 62,500.

The Java Developer salary depends on a number of factors like educational qualification, location, relevant experience, and skillset.

Your Java Developer Career Map

Still unsure if you’ve got the skills for landing a job as a java developer? Equipping yourself with java developer skills can help you get there.   

Being a Java Developer opens a ton of great opportunities for you in the IT industry. From established roles to transformative and highly evolving ones, there’s a lot for you to explore if you have the right skills. Additional knowledge of middleware technologies and other programming language can help steer your career in interesting directions.  

A good starting point can be a job as a junior developer, and then, you can work your way up the IT career path by gathering relevant experience of working in the IT sector. 

Get a firm foundation in Java, the most commonly used programming language in software development with the Java Certification Training Course.

Get Ready for a Java Developer Career Today!  

One of the best ways to prepare yourself for a career in java development is to work towards professional development and gain relevant skills. 

One certification to consider is the Java Development certification from Simplilearn – the world’s #1 Online Bootcamp. This course is designed to help you master coding in Java. After completion of the training, you’ll be adept at designing, developing, and implementing Java-based applications. Visit simplilearn to learn more about full stack web development certification, python development training, and full stack developer training course.

About the Author


Simplilearn is one of the world’s leading providers of online training for Digital Marketing, Cloud Computing, Project Management, Data Science, IT, Software Development, and many other emerging technologies.

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