What is a Core Java developer?

Core Java Developers are software professionals who specialize in building applications using the core features of the Java programming language, without relying on advanced frameworks or enterprise libraries. They are responsible for designing, coding, testing, and maintaining Java applications, often focusing on fundamental concepts like object-oriented programming, data structures, algorithms, and multithreading. Core Java Developers are integral to many industries, as Java is widely used for desktop, server-side, and embedded systems development.