Overview

Java Developer

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