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Core Java Jobs in New York (NOW HIRING)

Core Java * J2EE * JMS * IBM MQ Series/ TIBCO * Spring - Optional * Webservices * Strong Database * 8+ YEARS Additional Information * Good comm skills are a big priority * Duration: 12 Months

Must have Java concurrency (multi-threading) experience. * To design and develop applications based on Java/J2EE components. * Design, develop, prototype, and test of the required subsystem and its ...

Must have Java concurrency (multi-threading) experience. * To design and develop applications based on Java/J2EE components. * Design, develop, prototype, and test of the required subsystem and its ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Five or more years programming experience in JAVA. One or more years JMS ...

Core Java with web services

New York, NY · On-site

$55.75 - $72.25/hr

Core Java * Strong J2EE in XML, JMS, JAX-WS, CXF * Spring Framework * Strong understanding of OOP &SOA * Design Patterns * Java concurrency, concurrency patterns * Experience building thread safe ...

Showing results 41-60

Core Java information

See New York salary details

$43

$65

$89

How much do core java jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for core java in New York is $65.56, according to ZipRecruiter salary data. Most workers in this role earn between $55.24 and $73.65 per hour, depending on experience, location, and employer.

What is a Core Java developer?

Core Java developers are software professionals who specialize in building applications using the fundamental features and libraries of the Java programming language. They focus on core concepts such as object-oriented programming, data structures, multithreading, exception handling, and the Java API. Core Java is the foundation for other Java technologies like Java EE, and developers in this role often create desktop, server-side, or foundational components of larger systems. Their expertise is critical in ensuring robust, scalable, and maintainable Java applications.

What skills and qualifications are needed to thrive as a Core Java developer?

To thrive as a Core Java Developer, you need strong proficiency in Java programming, object-oriented principles, data structures, and a relevant degree in computer science or a related field. Familiarity with tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks like Spring is typically required, along with certifications such as Oracle Certified Professional Java Programmer (OCPJP) being advantageous. Excellent problem-solving abilities, attention to detail, and effective communication skills help set standout developers apart. These skills ensure robust, maintainable code and efficient collaboration within software development teams.

What challenges do Core Java developers face when working on large-scale enterprise applications?

Core Java developers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring thread safety in concurrent environments, and optimizing application performance. They may also need to integrate with legacy systems and maintain code readability for long-term support. Collaborating effectively with cross-functional teams, including QA, DevOps, and business analysts, is essential to meet project goals and maintain high software quality.

What is the difference between Core Java vs Java Developer?

AspectCore JavaJava Developer
FocusFundamental Java programming, core APIs, basic application developmentBuilding, testing, and maintaining Java applications, including web and enterprise solutions
SkillsJava syntax, OOP principles, basic APIsCore Java, frameworks (Spring, Hibernate), web technologies
Work EnvironmentLearning and understanding Java fundamentalsDeveloping full applications, debugging, deployment

Core Java refers to the fundamental Java programming language and its core APIs, essential for understanding Java basics. Java Developer, on the other hand, applies these fundamentals to develop complete applications, often using frameworks and additional tools. While Core Java is foundational, Java Developers build on this knowledge to create real-world software solutions.

Are Core Java jobs still in demand?

Core Java jobs remain in demand across various industries such as finance, healthcare, and technology, especially for roles involving backend development, Android app development, and enterprise applications. Proficiency in Java, along with knowledge of frameworks like Spring and tools such as Maven, enhances employability in this field.

Can I get a job with Core Java?

Core Java is a fundamental skill for many software development roles, especially in backend and enterprise applications. Proficiency in Java programming, understanding of object-oriented principles, and familiarity with development tools like IDEs and version control are essential for securing such jobs.

What jobs can I get with Core Java?

Core Java skills are essential for roles such as Java Developer, Software Engineer, Backend Developer, and Application Programmer. These positions typically involve developing, maintaining, and testing Java-based applications, often requiring knowledge of frameworks like Spring or Hibernate and familiarity with object-oriented programming concepts.
Infographic showing various Core Java job openings in New York as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 13% Part Time, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $136,358 per year, or $65.6 per hour.

Core Java with GWT ( Corp to Corp )

System Canada Technologies

New York, NY • On-site

Contractor

Re-posted 5 days ago


Job description

Company Description

System Canada resources have a broad range of skills in different technologies. The large skill-set has been made possible by a conscious focus on strengthening our skills base. Every person selected for our team brings something new, something that adds to our offerings. We learn continuously, both on the job and through formal training programs.

Job Description

Core Java, HTML, XML, Hibernate is a must. Candidate with Spring Google tool kit experience is most preferred 


System Canada logo

About System Canada

Sourced by ZipRecruiter

System Canada delivers high end solutions in corporate world. Our resources have a broad range of skills in different technologies.The large skill-set has been made possible by a conscious focus on strengthening our skills base. Every person selected for our team brings something new, something that adds to our offerings. We learn continuously, both on the job and through formal training programs.

Industry

It services

Company size

11 - 50 Employees

Headquarters location

Toronto, ON, CA