A Java developer is responsible for developing Java-based applications, including its strong efficiency and smooth operations for the clients and business' use. Java developers implement application designs, diagnosing ineffective processes, and conducting troubleshooting. A Java developer must ensure the stability of the application before launch to provide the best user experience. Software developers must have an excellent command of programming languages, software analysis, system codes, and other technical specifications. A software developer maintains a record of the processes and issues resolutions for reference and improvement opportunities.

Java Developer Responsibilities

Here are examples of responsibilities from real java developer resumes representing typical tasks they are likely to perform in their roles.

  • Involve in creating an ant task to automate the above process.
  • Manage connectivity using JDBC for querying/inserting & data management including triggers and store procedures.
  • Manage maven environment by setting up local, remote and central repositories with require configuration in maven configuration files.
  • Develop UI using JavaScript, JSP, HTML and CSS for interactive cross browser functionality and complex user interface.
  • Experience in Java coding for JSON access in the eclipse IDE and saving the data in the database.
  • Design UI using JSP and HTML and validate with JavaScript for providing the user interface and communication between client and server.
  • Involve in development of data access layer, which are java classes to encapsulate all database specific calls using JDBC API.
  • Used maven as build framework, git for source control, Jenkins for continuous integration.
  • Work on ORM mapping relations using XML for the purpose and mapping the java classes with the database.
  • Work with cross-browser issues relate to the front end that is created using JavaScript, CSS, and HTML5.
  • Used JSON to load data into JQUERY data grid.
  • Develop presentation layer of the project using HTML, JSP, JSTL and JavaScript technologies.
  • Configure the XML files for the management of java objects and data sources by the IOC container.
  • Used DAO, MVC, POJO class and create package which contains class files of connection to database.
  • Design and develop UI screens with XSLT and JSF (MVC) to provide interactive screens to display data.

Java Developer Skills and Personality Traits

We calculated that 17% of Java Developers are proficient in Java, Spring Boot, and Database. They’re also known for soft skills such as Customer-service skills, Creativity, and Detail oriented.

We break down the percentage of Java Developers that have these skills listed on their resume here:

  • Java, 17%

    Created custom user interfaces and reusable components based on Java Swing technology to support the distributed software application architecture.

  • Spring Boot, 5%

    Converted application to Spring Boot to implement Spring Batch functionality to run periodically for the application requirements.

  • Database, 4%

    Worked on developing stored procedures for database administrative tasks and database triggers to implement database auditing and to store historical data.

  • Web Application, 3%

    Gathered and analyzed information for developing, supporting, and modifying existing web applications based on prioritized business needs.

  • HTML, 3%

    Designed and developed the front-end User Interface, Navigation, HTML layouts, and Cascading Style Sheets for IHR system.

  • CSS, 3%

    Developed several web pages using HTML, CSS, JSP and JavaScript to perform checking and validations at Client's side.

"java," "spring boot," and "database" aren't the only skills we found java developers list on their resumes. In fact, there's a whole list of java developer responsibilities that we found, including:

  • Customer-service skills can be considered to be the most important personality trait for a java developer to have. According to a java developer resume, "webmasters have to respond politely and correctly to user questions and requests." Java developers are able to use customer-service skills in the following example we gathered from a resume: "provided documentation of customer jira terms, standard practices, and implementation and weekly status reports. "
  • Another commonly found skill for being able to perform java developer duties is the following: creativity. According to a java developer resume, "web developers often are involved in designing the appearance of a website and must make sure that it is appealing as well as functional." Check out this example of how java developers use creativity: "project: sterling invoicing system developed a web based inventory and invoicing system based on java. "
  • Another skill that is quite popular among java developers is detail oriented. This skill is very critical to fulfilling every day responsibilities as is shown in this example from a java developer resume: "web developers need to have an eye for detail, because a minor error in coding could cause an entire webpage to stop working." This example from a resume shows how this skill is used: "developed xml, xml schema and parsers using sax and dom, implemented system oriented architecture methodologies. "
  • See the full list of java developer skills.

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    What Java Programmers Do

    Java programmers design and develop programs with the goal of not taking up too much data and less to almost no latency that can be useful to their users every day. They aim to write testable, well designed, and efficient computer codes. Java developers need a range of skills, from a thorough knowledge of the basics to an understanding of the latest developments. Programmers also need knowledge beyond the java language itself. Their skills should include knowing how the development process works and how the apps function in which the code runs.

    In this section, we take a look at the annual salaries of other professions. Take java programmer for example. On average, the java programmers annual salary is $8,147 lower than what java developers make on average every year.

    Even though java developers and java programmers have vast differences in their careers, a few of the skills required to do both jobs are similar. For example, both careers require java, spring boot, and web application in the day-to-day roles.

    As far as similarities go, this is where it ends because a java developer responsibility requires skills such as "database," "junit," "microservices," and "test cases." Whereas a java programmer is skilled in "database connectivity," "application development," "ajax," and "unit test cases." So if you're looking for what truly separates the two careers, you've found it.

    Java programmers receive the highest salaries in the finance industry coming in with an average yearly salary of $94,924. But java developers are paid more in the finance industry with an average salary of $96,841.

    The education levels that java programmers earn is a bit different than that of java developers. In particular, java programmers are 1.1% more likely to graduate with a Master's Degree than a java developer. Additionally, they're 0.5% more likely to earn a Doctoral Degree.

    What Are The Duties Of a Web Application Developer?

    A web application developer is responsible for designing website and system applications following clients' specifications and business' needs. Web application developers utilize their expertise in programming languages and system codes, ensuring the efficiency and smooth navigation of the website. They also run multiple diagnostic tests on the output before release, identifying inconsistencies, and addressing incompatibilities on browsers and devices. A web application developer should be detail-oriented and highly-technical as this job requires excellent digital knowledge to manage complex systems.

    Next up, we have the web application developer profession to look over. This career brings along a lower average salary when compared to a java developer annual salary. In fact, web application developers salary difference is $2,635 lower than the salary of java developers per year.

    Not everything about these jobs is different. Take their skills, for example. Java developers and web application developers both include similar skills like "java," "spring boot," and "database" on their resumes.

    While some skills are similar in these professions, other skills aren't so similar. For example, several resumes showed us that java developer responsibilities requires skills like "mvc," "maven," "design patterns," and "jms." But a web application developer might use skills, such as, "javascript," "python," "git," and "application development."

    On average, web application developers earn a lower salary than java developers. There are industries that support higher salaries in each profession respectively. Interestingly enough, web application developers earn the most pay in the finance industry with an average salary of $88,928. Whereas, java developers have higher paychecks in the finance industry where they earn an average of $96,841.

    In general, web application developers study at lower levels of education than java developers. They're 6.2% less likely to obtain a Master's Degree while being 0.5% more likely to earn a Doctoral Degree.

    How a Senior .NET Developer Compares

    A senior .NET developer is responsible for creating and managing software applications and programming languages under the .NET framework. Senior .NET developers carefully analyze software specifications and system requirements to ensure high-quality concept implementation using optimal operating procedures. A senior .NET developer runs diagnostic tests to identify its inconsistencies, perform adjustments as needed, and create reports of the system's features and methodologies. A senior .NET developer must have strong knowledge of the technology industry and software programming disciplines to assist junior developers and drive strategic results.

    Let's now take a look at the senior .net developer profession. On average, these workers make higher salaries than java developers with a $6,717 difference per year.

    Using java developers and senior .net developers resumes, we found that both professions have similar skills such as "java," "web application," and "html," but the other skills required are very different.

    As mentioned, these two careers differ between other skills that are required for performing the work exceedingly well. For example, gathering from java developers resumes, they are more likely to have skills like "spring boot," "database," "mvc," and "maven." But a senior .net developer might have skills like "net core," "javascript," "c # .net," and "asp."

    Senior .net developers make a very good living in the finance industry with an average annual salary of $106,638. Whereas java developers are paid the highest salary in the finance industry with the average being $96,841.

    When it comes to education, senior .net developers tend to earn similar education levels than java developers. In fact, they're 0.0% less likely to earn a Master's Degree, and 0.1% less likely to graduate with a Doctoral Degree.

    Description Of a Senior Web Developer

    A senior web developer is responsible for designing, building, and optimizing websites and other software applications. You are expected to perform a few tasks that include identifying client specifications and user requirements, working closely with teams and clients, and testing and documenting software for websites. Other duties include writing, modifying, and debugging websites, keeping up-to-date with the latest social marketing trends, and supervising junior web developers. You will also be responsible for writing code to create web pages and to work closely with mobile developers.

    The fourth career we look at typically earns higher pay than java developers. On average, senior web developers earn a difference of $9,441 higher per year.

    While both java developers and senior web developers complete day-to-day tasks using similar skills like java, spring boot, and database, the two careers also vary in other skills.

    Even though a few skill sets overlap, there are some differences that are important to note. For one, a java developer might have more use for skills like "design patterns," "tomcat," "jms," and "development life." Meanwhile, some senior web developers might include skills like "javascript," "html5," "git," and "c #" on their resume.

    In general, senior web developers make a higher salary in the media industry with an average of $116,206. The highest java developer annual salary stems from the finance industry.

    Senior web developers reach similar levels of education when compared to java developers. The difference is that they're 2.4% more likely to earn a Master's Degree less, and 0.5% more likely to graduate with a Doctoral Degree.

    What a Java Developer Does FAQs

    What Are The Skills Required For A Java Developer?

    The top hard skills required for a Java developer include software design and architecture, design principles, and architectural patterns. Other fundamental topics for every Java developer are algorithms, data structures, networking, protocols, and programming.

    What Is The Use Of A Java Developer?

    A Java developer is responsible for developing applications and software using the programming language Java. A Java developer is a specialized programmer who may collaborate with web developers and software engineers to integrate Java into business applications, software, and websites.

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