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Core Java Jobs in New York (NOW HIRING)

CYNET SYSTEMS

Core Java Developer

New York, NY · On-site

$50 - $55/hr

Pay Range: $50hr - $55hr Required Skills: * 5 to 7 years of solid hands-on experience using Core Java, Spring Boot, Kafka/MQ, Microservice architecture. * Hands on experience with SQL, DB2/Sybase ...

Sonsoft Inc

Core Java ( Local )

New York, NY · On-site

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 ...

Jobsbridge

Core Java Developer

New York, NY

Skill java, spring, hibernate Location New York, NY Total Experience 1 yrs. Max Salary Not Mentioned Employment Type Direct Jobs (Full Time) Domain Any Description OPT and EAD can apply Duties ...

Jobsbridge

Core Java Developer

New York, NY · On-site

Design and Develop system using Java, Spring, Hibernate and Multithreading Supporting the live application in the production environment Communication with users to gather requirements and analyze ...

Zortech Solutions

Core Java Developer

Jersey City, NJ · On-site

W2 Candidates only Must: 5+ years development experience, Strong Java Fundamentals Spring Boot / Microservices Heavy API and integration work needed Oracle database, AWS Agile environment CI/CD ...

Career Guidant

Core Java Developer

Weehawken, NJ · On-site

Preferred At least 6 years of experience working on Core Java, Spring, hibernate. At least 4 years of experience with development and re-engineering of existing application to incorporate unit tests ...

Sonsoft Inc

Core Java Developer

Weehawken, NJ

Preferred At least 4 years of experience working on Core Java/Spring . Atleast 4 years of experience with TDD based development and re-engineering of existing application to incorporate unit tests ...

USM

Urgent Need: Core Java Developer

New York, NY · On-site

Core JAVA DEVELOPER Only locals to NY/NJ/CT Need locals only who can come for F2F Duration : 12 months + Min exp : 9 years - Strong Core Java (worked with concurrency package, multi threading ...

GainAm

Core Java Developer Consultant job

Hicksville, NY · On-site

$70K/yr

Core Java/Linux, UDB, Sybase, Oracle w/ very strong knowledge of OO concepts and troubleshooting (Optimization, Indexing, Memory Management, Garbage Collection, etc, etc) C and C++ experience a plus

Snowrelic Inc

Sr. Core Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

We are seeking a highly experienced Senior Core Java Software Engineer with over 12 years of deep expertise in core Java development, particularly in multi-threaded, real-time systems. The ideal ...

Sonsoft Inc

Core Java with web services

New York, NY · On-site

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 ...

Sonsoft Inc

Core Java Looking For Local

New York, NY · On-site

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 ...

PSRTEK LLC

Core Java with web services

Jersey City, NJ

$53.25 - $69/hr

Must Have Skills: 8+ years hands-on Java Development in in a WebSphere environment 3+ year leading team of 5+ developers 3+ year work experience in Agile Scrum team Core Java Strong J2EE in XML, JMS ...

PSRTEK LLC

Core Java with web services

Jersey City, NJ · On-site

$53.25 - $69/hr

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

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$43

$65

$89

How much do core java jobs pay per hour?

As of Jun 5, 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 are the key skills and qualifications needed to thrive as a Core Java Developer, and why are they important?

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 are Core Java developers?

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.

What are some typical challenges 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 are popular job titles related to Core Java jobs in New York? For Core Java jobs in New York, the most frequently searched job titles are:
What job categories do people searching Core Java jobs in New York look for? The top searched job categories for Core Java jobs in New York are:
Core Java jobs near you
Infographic showing various Core Java job openings in New York as of May 2026, with employment types broken down into 71% Full Time, 2% Part Time, 24% Contract, and 3% Nights. 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 Developer

Core Java Developer

CYNET SYSTEMS

New York, NY • On-site

$50 - $55/hr

Contractor

Posted 17 days ago

Job description

Job Overview:
 
Pay Range: $50hr - $55hr
 
Required Skills:
  • 5 to 7 years of solid hands-on experience using Core Java, Spring Boot, Kafka/MQ, Microservice architecture.
  • Hands on experience with SQL, DB2/Sybase, including modelling and performance tuning.
  • Proficiency in Shell/Unix, Perl/python is required.
  • Good problem-solving skills, Analytical, Self Driven, Passion for innovation.
  • Good communication and presentation skills: ability to communicate in a clear and concise manner, across all stakeholder groups and with staff from junior to senior levels
Desired Skills:
  • Knowledge of Banking or Financial industryproject experience is valuable.
  • Experience with Co-pilot and Spec Driven Development is plus

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
Cynet Systems logo

About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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