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Java Developer Guide

Introduction

In this blog, let us have an overview of how to become a Java Developer is, what are the roles and responsibilities of a Java Developer, the salary trends for a Java Developer based on their experience, and the skills required to become a Java Developer. Let us dive into these details now.

Who is a Java Developer? 

Java is widely used in most organizations, the daily roles taken up may vary but usually, Java Developer is someone who either design, develops, or manages Java-based applications. 

Being a Java Developer doesn’t merely mean he/she is confined to merely Java programming language, but he/she might also be required to get acquainted with the various stages of the Software Development Life Cycle(SDLC ) and should be ready to upskill themselves technically based on the need.

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Java Developer Job Description

Before diving into the Java Developer’s job description, let us understand what is Java and what can be done using Java, to get a clear understanding of the job description. 

Java is a programming language, which is considered widely popular in the world. Java is widely used in application development, which was developed by Sun Microsystem in 1995 referring to C and C++. Later Java was owned by Oracle.

Java is an object-oriented programming language, which gives it the charm to write code using classes and objects. Java is also platform-independent, which mutually leads to the phrase “write once and run anywhere” ( the Java code can run on other platforms without the need for recompilation).

  • Java applications are fast and scalable: The features of Java have made it to be a go-to language for android application development, website development, software, and computer games.
  • Java provides security by using an object-oriented approach.

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Some of the companies which use Java include Linked In, Salesforce.com, etc. Smaller companies might use other programming languages but will eventually shift to Java as they grow to ensure scalability and security, which also provides the application speed and stability. Based on the experience the designations will be as follows :

  • Entry-level Java developers
  • Mid-level developers
  • Senior Java developers

The Entry-level Java developers are responsible for working on program architecture, writing code to create a feature of an application, etc, while the mid-level and senior Java developers are responsible for the overall functioning of the project and its architecture also maintaining a team of people under them.

Contingent upon the necessities, a portion of these jobs may cover or be united into one. On the off chance that the Java Developer is senior-level, they might be liable for group oversight just as liaising with project partners and testers. While not normally part of the development group or the team, the project partners and beta testers have a great significance on the project, so having a Senior Java Developer will contribute to the overall success of the project.

Roles and Responsibilities

Let us now see what are the roles and responsibilities of a java developer.

The roles and responsibilities of a java developer vary according to the company and their experience. The following are a few common responsibilities of a Java Developer :

  • Designing, implementing, and maintaining the Java applications
  • Delivering high availability and performance.
  • Contributing in all phases of the software development life cycle of the project from end to end.
  • Writing well-designed, efficient, and testable code.
  • Conducting software analysis, programming, testing, and debugging.
  • Managing Java and Java EE application development.
  • Ensuring designs comply with specifications.
  • Preparing and producing releases of software components.
  • Transforming requirements into stipulations.
  • Support continuous improvement.
  • Investigating alternatives and technologies.
  • Presenting for architectural review.

The responsibilities also include :

  • Gathering the requirements
  • Knowledge of architecture
  • Maintaining and optimizing the system
  • Developing the code
  • Unit testing of the code
  • Deploying the code
  • Managing the project

Gathering of requirements

Before gathering the requirements, the developer should be clear with the architecture of the project. After the discovery phase, there comes the gathering of the requirements from the clients which includes working closely with the stakeholders, project manager and senior Java developer. The discussions include prioritizing the important tasks or features.

Development

In this phase, the developers start coding based on the requirements collected, prioritizing the most important features as discussed in the meetings. The developed code goes through code reviews and once the code is fine, then it goes through the testing phase.

Testing

After developing the code, the code is to be tested to make sure that the code is working as it is intended to be for a seamless feel of the application being developed. There are various testings, the testing that is being done by a developer is unit testing, in which small units of codes are tested to make sure they are giving the desired outputs. The testing team will take care of the rest of the testing

Deployment

During the deployment phase, the code is transferred to a live environment, where the code should be fully functional for deployment. Any changes made after testing require reverting and redeployment. 

The developers should be capable of having good error handling mechanisms, which are to be used whenever something goes wrong.

The following skillset is to be acquainted by a Java developer (at least a few ):

  • Enterprise Java Bean (EJB)
  • J2EE framework
  • XML, Xquery, XSL
  • Linux/Unix Windows Platform and Solaris
  • Oracle database SQL and JDBC
  • Java XML Parsing, Coding
  • Service-Oriented Architecture (SOA)
  • Perl and Python
  • I Text for RTF Generation
  • Java-based Web services
  • Java Servlet Technology

Maintenance

The Java Developer’s work doesn’t end on the grounds that the program is finished. Java Developers are relied upon to keep up with defects of the current application and to be resolved properly. The maintenance tasks include :

  • Providing software updates
  • Ensuring all hardware specs are met
  • Adding or removing users
  • Adding new features
  • Preparing end user documentation and training
  • Maintaining an active testing environment
  • Looking for code smells and optimizing code
  • Identifying other programs or features  that could enhance the existing systems

The salaries of a Java Developer varies according to their experience and their company. From picking your first programming language to creating applications for Android and websites , Java has been widely adored. It has been quite possibly the most well known programming language with developer, essentially due to its compatibility and versatility.

Because of its versatile nature, it has become quite possibly the most popular language throughout the world. Accordingly, a Java Developer’s pay in India is altogether higher.

A normal Java engineer compensation in India is Rs 443,568 for every annum . The compensation may range from Rs. 2,02,602 to about Rs. 1,102,825 for every annum relying upon factors like area, experience level, organization profile,etc. However, one can negotiate the salary if they have a good skill set and experience, since most of the companies show the zeal to hire the right talent.

The normal yearly compensation in the United States is $105,801 every year, which works out to be around $50.87 per hour or 60 minutes, equivalent to $2,035/week or $8,817/month.

Pay Based on Experience :

Entry-Level Java Developer Salary 

The normal entry-level Java developer compensation in India is Rs 277,518 per annum.

Mid-Level Java Developer Salary 

The normal mid-level Java developer compensation in India is 410,306 per annum to 839,714 per annum.

Experienced Java Developer Salary 

The normal experienced Java developer compensation in India is Rs. 1,373,565 per annum.

Java Developer Salary in India: Pay Based on the Skillset :

The:Spring: 487,276 INR

Java/J2EE: 477,423 INR

SQL: 400,792 INR

Hibernate: 483,802 INR

All the details have been obtained from payscale.com.

Java Developer salary in the United States: $86,000

Java Developer salary in The United Kingdom: £35,000

Skills Required to be a Java Developer:

While turning into a Java Developer is invigorating, companies are searching for talented people who can work independently just as with a group or a team of people. 

To grow significantly in your career, it is good to have the following skills: 

Java Developer Skills Overview

Here are few important Java Developer Skills:

  • Core Java
  • OOPs, Design Patterns, Interface,
  • Serialization 
  • ORM : Hibernate, Java, OpenJPA
  • Java Build Tools: Maven, Gradle
  • Web Technologies : CSS, HTML, JQuery, JavaScript
  • Java Web Frameworks: SpringMVC, Play, Java Server Faces
  • Application Containers: JBoss, Jetty, WebSphere, WebLogic
  • Java Testing Tools: JUnit, TestNG, Selenium 
  • BigData : DBMS, Hadoop ,SQL, JDBC
  • Java EE Components : Servlets, Java Beans(EJB), Java 
  • Server Pages(JSP)
  • Code Version Control: GitHub

How to Become a Java Developer?

One can become a java developer, by acquiring the skill set mentioned above, if not all, at least a few of them and the rest can be learnt in the company as you start working in the project. Apart from technical skills, it is also required to have decent communication skills, which are required while attending the meetings.

A day in the life of a Java Developer

Usually, the developer’s daily tasks include various activities, let us see the most common activities of a Java developer in his/her day to day life – Get into the workplace, sit down to talk with the group and browse through a couple of emails. Then, at that point, it’s onto the morning standup call — that is fundamentally where employees talk with the more extensive task group regarding what they did the other day and what they will do today. They additionally talk through any issues or blockers with the scrum master. There will also be a weekly developer sync call.

Following that meeting or the call, there might be separate conferences with subteams to examine whatever came up on the standup that might have to be addressed in more detail. 

Then, at that point, the people get into coding!

Typically this will be followed by meetings to discuss the architecture of the system, software design, data modelling and specific areas of the application that the developers might be working on.

Conclusion

One of the most astonishing evolutions in the world has been the development of the IT sector, which prodded the development of several different industries. Today, in each side of the world, individuals are straightforwardly subject to solid and reliable codes made by these developers to remain associated with one another and cooperate in spite of living seas separated.

These numbers above are yet to be determined. The genuine force to be reckoned with of your compensation is the abilities you have, the grip you have achieved over them, and how rapidly you develop and help the organization to develop too. 

The pandemic of 2020 has brought to re-underlined the significance of technology and it’s innovation and advancements to fight spontaneous misfortunes. The ability of the world to function successfully across geographical boundaries hassle-free was possible because of integration and superior codes created by developers. If you are interested in getting started with learning java, checkout the free courses on java, provided by Great Learning and start learning to kick start your career as a java developer.

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Great Learning Team
Great Learning's Blog covers the latest developments and innovations in technology that can be leveraged to build rewarding careers. You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business.

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