Sr Java Developer

Mid / Senior

In Office

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 today.

Read on to explore key concepts like Java Developer roles and responsibilities, Java Developer skills, and what a Java Developer salary looks like.

• 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

• 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