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Core Java Jobs in New York (NOW HIRING)

Core Java Location: NJ/NYC Duration: Fulltime BGV will be done for the selected candidates. Looking for Java Lead with the following skills- RX Java exp o Asynchronous event based programming[Must] o ...

Note: candidate need to strong on Core Java with hands/ Hands on Java is must. * 7+ years experience as a technical analyst in financial industry * Functional understanding of retail banking and/or ...

Core Java Developer Location: Jersey City, NJ Duration: Contract to hire, 6+ months Pay Range: $61-$64/hr (W2) About BCforward BCforward is a leading global IT consulting and workforce solutions firm ...

Core Java Developer Location: NYC, NY Duration: Fulltime BGV will be done for the selected candidates. Must Have Skills: 8+ years hands-on Java Development in Web Sphere environment 3+ year work ...

Note: candidate need to strong on Core Java with hands/ Hands on Java is must. * 7+ years experience as a technical analyst in financial industry * Functional understanding of retail banking and/or ...

Core Java Developer Location: New York City, NY Duration: Fulltime The Client is seeking a technically oriented individual to join the Securities Finance technology team. Primary focus on this role ...

Core Java Developer Location: NYC, NY Candidate Details 7+ to 10 years experience Seniority Level - Mid-Senior Management Experience Required - No Minimum Education - Bachelor's Degree Ideal ...

Java Developer Location: New Jersey Duration: 12+months Interview: Phone and Skype 7+ years of Core Java development experience using J2EE • Must have experience with working with Micro Services ...

Java Developer Location: New Jersey Duration: 12+months Interview: Phone and Skype 7+ years of Core Java development experience using J2EE • Must have experience with working with Micro Services ...

Genesis10 is currently seeking a Core Java Developer for a contract position with a Global Financial Institution located in Jersey City, NJ. In this role, you will work closely with business partners ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Good Core Java Skills Know data structure Spring, REST, Services is nice to ...

Qualifications/ Experience: * 6-12 years of coding experience in core Java, Spring framework, and messaging framework * Experience building distributed and enterprise applications. * Strong SQL/MySQL ...

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Core Java information

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$43

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How much do core java jobs pay per hour?

As of Aug 12, 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 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 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 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.

Can I get a job with Core Java?

Core Java skills are in demand for roles such as Java developer, software engineer, and application programmer. Proficiency in Java programming, understanding of object-oriented concepts, and experience with development tools like Eclipse or IntelliJ IDEA can improve job prospects. Certifications like Oracle Certified Professional can also enhance employability.

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 SE, frameworks like Spring, and related tools enhance employability in this field.

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.
Infographic showing various Core Java job openings in New York as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 17% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $136,358 per year, or $65.6 per hour.

Full-time

Re-posted 7 days ago


Job description

Company Description

IT

Job Description

Role: Core Java
Location: NJ/NYC
Duration: Fulltime
BGV will be done for the selected candidates.
Looking for Java Lead with the following skills-
RX Java exp
o Asynchronous event based programming[Must]
o Multithreading and concurrency programming[Must]
o Reactive programming style
- Databases
o Nosql (experience with ignite, gemfire etc)
o Transactional (ACID)
- Messaging
o Zeromq or equivalent
o Kafka or equivalent
o Understanding of low level networking principles and different messaging paradigms (pub/sub, req/resp, push/pull)
- Microservices and web stacks
o Events based web application frameworks (eg vertx)
o Scaling of microservices for throughput and latency
o Load balancing and failover
- Toolset expertise
o GIT
o Continuous integration
o Gradle
o Docker
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