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Core Java Jobs in New York (NOW HIRING)

Sonsoft Inc

Core Java Developer

New York, NY

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 Developer

Jersey City, NJ

Core Java * Web Security * Collections * Spring * MVC * Design * Web Services * SQL Qualifications Basic Qualifications:- * Bachelor's degree or foreign equivalent required from an accredited ...

CYNET SYSTEMS

Core Java Developer

New York, NY · On-site

$45 - $50/hr

Well-versed in Core Java (1.8 and above preferable, with knowledge of new features like Executor framework, Generics, etc.). * Experience in collections, HashMap, concurrency packages and ArrayList ...

Sonsoft Inc

Core Java ( Local )

New York, NY

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 ...

Career Guidant

Core Java Developer

Weehawken, NJ

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 ...

Jobsbridge

Core Java Developer

New York, NY

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 ...

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 ...

Sonsoft Inc

Core Java Developer

Weehawken, NJ · On-site

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 ...

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

USM

Urgent Need: Core Java Developer

New York, NY

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 ...

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

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 ...

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Core Java information

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$43

$65

$89

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.
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 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.

Core Java Developer

Sonsoft Inc

New York, NY

Full-time

Re-posted 16 days ago

Job description

Company Description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description

Rounds for Interview:-

Face 2 Face Interview (Tuesday (Feb 14st 2017) from 5:00PM EST to 9:00PM EST

  • 30 Mins Online Test for all the candidates at Mphasis NY office.
  • 45 Mins Technical interview.
  • 15 mins Hiring call for selected candidates
Qualifications

Must Have Skills:

  • 8+ years hands-on Java Development in WebSphere environment
  • 3+ year leading team of 5+ developers
  • 3+ year work experience in Agile Scrum 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 building thread safe code
  • JUnit/Mockito, Cucumber
  • Experience with IDEs such as RAD/Eclipse
  • Experience building REST and SOAP web services
  • Experience with MQ
  • SQL/PL-SQL in DB2, MySQL
  • Experience with ORM tools such as iBatis and Hibernate
  • Experience with scripting and working in a Linux environment
  • Experience working in an Agile environment
  • Strong analytical and troubleshooting skills
  • Experience with tuning high volume applications
  • Strong written and verbal communication skills
  • Good To Have Experience with:
  • Spring Boot
  • Spring Cloud
  • Spring Security
  • Spring Batch
  • Spring Web Services
  • Experience with caching products like Gemfire and Hazelcast
  • Experience working with no-SQL databases like MongoDB and Cassandra
Additional Information

Note:-
This is a Full-Time & Permanent job opportunity for you.
Only US Citizen, Green Card Holder, GC-EAD, H4-EAD & L2-EAD can apply.
No OPT-EAD, H1B & TN candidates please.
Please mention your Visa Status in your email or resume.

Sonsoft logo

About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007

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