Java Developer Job Description, Roles, Responsibilities, Skills, Certifications, and Salary

Table of contents

1. what does a Java developer do? Java developer job description
2. Java developer roles and responsibilities
3. Java developer skills
4. Top 10 Java developer certifications
5. How to become a Java developer?
6. How much does a Java developer make?

According to the Statista survey conducted in the year 2022, the most commonly used programming language among software developers is JavaScript, with 65.36% of respondents participating in the survey. Hence no surprise that the demand for skilled software developers who specialize in Java has never been higher, and it’s projected to continue rising in industries including finance, manufacturing, technology, insurance, etc. Have you always dreamed of being a Java developer? Whether it’s the technology, the salary, or the ability to change people’s lives with your code, there are plenty of reasons why many developers love this job. But before you can build your own dream career in programming, you have to start from the beginning. This guide will explain everything you need to know about becoming a Java developer and give you an idea of Java developer roles, responsibilities, must-have skills, important certifications, and how much money you can make with this career.

what does a Java developer do? Java developer job description

Java developers are generally responsible for programming and designing Java-based applications or software. They are often tasked with solving complex problems that require creative thinking and logical reasoning to make sure the effective and efficient performance of software and applications. From the stage of identifying the project requirements to the consistent performance of the project faultlessly, a Java developer needs to focus on the programming process. They are in charge of designing, implementing, examining, diagnosing, and validating the coding to promise the best user interface and user experience. They need to have a crystal-clear command of programming languages and coding to deal with technical specifications and the strength of software products during their lifecycle. The role of a Java developer just doesn’t end with the execution of the product, but it is a constant effort before and after inaugurating it.

Java developer roles and responsibilities

Java developers have a wide range of responsibilities in the software development industry, from developing new features and fixing bugs to testing and troubleshooting problems. They have a significant role in project development from designing, implementing, and testing to the maintenance of software.

Below are a few key roles and responsibilities of a Java developer in an organization.

• Writing testable, efficient, and well-designed code
• Understand the stakeholders’ requirements for software and applications
• Planning, designing, developing, testing, and improving Java-based products
• Maintenance of projects in the whole lifecycle to ensure efficient and faultless functioning
• Ensure the applications are compatible with all specifications
• Identify and rectify the performance issues including bugs, pitfalls, and any other diminutive drawbacks.
• Maintain the history of designing code to project implementation
• Consistently work on checking and improving the applications
• Work closely with UI/UX designers, content managers, marketing managers, project managers, and other developers.
• Prepare complete design documentation and technical specifications.

Java developer skills

Java developers are expected to have knowledge of database management, object-oriented programming, and software engineering. They must also be proficient in web technologies like JavaScript, HTML, and CSS. Apart from technical skills, Java developers require non-technical aptitudes like strong analytical skills, problem-solving abilities, and excellent communication skills to stand out in the industry.

1. Java skills: The developer should be able to write, implement, and test the code for different software and applications with excellent proficiency in Java language. Object-oriented programming skills will be demonstrated here.
2. Knowledge of databases, web services, and cloud technology.
3. Deep insight into Java and Java EE internals for common and sophisticated design patterns
4. Proficiency in languages and building tools including HTML, Maven, XML, CSS, MVC, API, etc.
5. Solid know-how in time management, organization, attention to detail, and prioritization.
6. Excellent communication in leading and liaising in team collaboration.
7. Sound knowledge of developing applications and software using web frameworks like JSF, Wicket, GWT, Spring MVC, etc.
8. Incredible project management skills and problem-solving skills.

Top 10 Java developer certifications

Deep knowledge of Java programming and graduation in the related discipline might be just enough to begin your career as an entry-level Java developer. But earning certifications can broaden your career growth over other professionals who don’t have any. It will be a competitive advantage for you to get recognized in the hypercompetitive job market to enhance your earning potential. More advanced developers might want to take their skills up a notch with professional certifications.

No more ado, here is the list of the top 10 certifications for Java developers that are worth earning in 2023.

1. Oracle Certified Associate Java Programmer – OCAJP
2. Project Management Professional Certification – PMP
3. Oracle Certified Professional Java Programmer – OCPJP
4. AWS Certified Solutions Architect – Associate
5. Apache Spark Developer Certification – HDPCD
6. Oracle Certified Master Java Enterprise Architect – OCMJEA
7. Professional Scrum Master Certification – PSM I
8. Developing Microsoft Azure Solutions Certification
9. Spring Professional Certification
10. Oracle Certified Expert – Web Component Developer – OCEWCD

How to become a Java developer?

Are you elated to jumpstart your Java developer career but befuddled about the trajectory from the first step to getting placed in a top company?

Follow the below 7 simple steps and learn how you can become a Java developer.

1. Get your graduation and learn the core Java language
2. Enhance your Java skills by yourself or through online courses
3. Get connected with peer groups and learn more Java skills
4. Improve project management skills and other non-technical proficiencies.
5. Earn IT certifications for Java developers
6. Practice Java by creating projects and preparing a resume and portfolio later
7. Apply for Java developer jobs and get hired quickly with Denken Solutions

How much does a Java developer make?

Java developers typically make more than developers who are skilled in other programming languages because there is a higher demand for Java programmers with skills in object-oriented programming. Considering the most popular salary insights tool, Glassdoor, Java developers can make upwards of an average of $98,579 annually without emphasizing their experience level.

An entry-level Java developer’s yearly salary is about $98,142 in the USA with the highest salary reported by Glassdoor for Java developers recently being $132,514 per annum. Principal Java developers are able to earn more than $167,000 annually according to their polished skillset and experience level.

The top 5 states where developers get paid the highest in the USA are California, Washington, the District of Columbia, New York, and New Jersey.