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Core Java Developer Jobs in Jersey City, NJ (NOW HIRING)

Keylent Inc

Core Java Developer

Manhattan, NY · On-site

Keylent Inc is seeking a Core Java Developer with extensive experience in Java development. The role involves leading a team of developers and working within an Agile Scrum environment to deliver ...

Keylent Inc

Core Java Developer

Manhattan, NY · On-site

Keylent Inc is seeking a Core Java Developer with extensive experience in Java development. The role involves leading a team of developers and working within an Agile Scrum environment to deliver ...

Serigor Inc.

Core Java Developer

New York, NY · On-site

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 ...

Marencor

Core Java Developer

New York, NY · On-site

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 ...

Info-Ways

Core Java Developer

New York, NY · On-site

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 ...

LTIMindtree

Core Java Developer

Jersey City, NJ · On-site

Core Java Developer Location : Jersey City, NJ/Charlotte, NC Hands-on experience in Core Java Spring Boot Rest Services Hands-on experience with Spark Oracle SQL Ability to translate business ...

New

Genesis10

Core Java Developer

Jersey City, NJ · On-site

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 ...

LTIMindtree

Core Java Developer

Jersey City, NJ · On-site

Core Java Developer Location : Jersey City, NJ/Charlotte, NC Hands-on experience in Core Java Spring Boot Rest Services Hands-on experience with Spark Oracle SQL Ability to translate business ...

New

Sonsoft Inc

Core Java Developer

New York, NY · On-site

... 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 ...

Marencor

Core Java Developer

New York, NY · On-site

Qualifications/ Experience: * 6-12 years of coding experience in core Java, Spring framework, and ... Jira, Bit Bucket & Bamboo, CI/CD & DevOps, GitHub Copilot understanding is a plus. * AWS working ...

Jobsbridge

Core Java Developer

New York, NY · On-site

Basic Technical Requirements Java 1.6, JEE, Spring UNIX shell scripting Familiarity with Websphere/Weblogic application servers Strong programming skills with emphasis on SQL and stored procedures.

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Core Java Developer information

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$41

$62

$85

How much do core java developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for core java developer in Jersey City, NJ is $62.40, according to ZipRecruiter salary data. Most workers in this role earn between $52.55 and $70.10 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 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.

What is a Java core developer?

A core Java developer is an expert in Java SE and its related technologies. This job requires extensive knowledge of and experience with all Java class libraries. As a Java core developer, your duties involve using Java and other programming languages and tools to develop applications, software, games, and more for computers and mobile devices. Many Java developers earn a bachelor’s degree in computer science or a related field. Professional Java certification is available. Additional qualifications include strong analytical, communication, and mathematical skills. You must be able to solve technical complex problems, both alone and as part of a team.

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

To thrive as a Core Java Developer, you need a strong grasp of Java programming, object-oriented design, data structures, and algorithms, typically supported by a degree in computer science or related field. Familiarity with development tools such as Eclipse or IntelliJ IDEA, build tools like Maven or Gradle, and version control systems such as Git is essential. Problem-solving abilities, attention to detail, and strong communication skills help developers excel in collaborative and fast-paced environments. These skills ensure the efficient creation, maintenance, and optimization of robust software solutions that meet business needs.

What are some common challenges faced by Core Java developers in large-scale enterprise projects?

Core Java Developers working on large-scale enterprise projects often face challenges such as maintaining code quality across complex, legacy codebases, optimizing application performance under heavy loads, and ensuring seamless integration with various databases and third-party systems. Collaboration with cross-functional teams, such as QA, DevOps, and front-end developers, is crucial to address these challenges. Adapting to evolving business requirements and keeping up with new Java features and frameworks also requires continuous learning and adaptability.

What is the difference between Core Java Developer vs Java Software Engineer?

AspectCore Java DeveloperJava Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentBackend development, enterprise applicationsApplication development, software solutions
Industry UsageFinancial, healthcare, retail sectorsTech companies, software firms
Common Search IntentCore Java skills, Java development rolesJava programming, software engineering roles

Core Java Developers focus primarily on building and maintaining backend applications using core Java technologies, while Java Software Engineers often work on broader software solutions, including design and integration. Both roles require similar credentials and are used across various industries, but their scope and responsibilities may differ slightly.

Are Core Java Developers still in demand?

Core Java Developers remain in demand due to the continued use of Java in enterprise applications, Android development, and backend systems. Skills in Java SE, frameworks like Spring, and familiarity with cloud environments enhance employability in this field.

Can I get a job with core Java?

Core Java is a fundamental skill for Java developer roles, and proficiency in it can help you secure entry-level and experienced positions in software development. Employers often look for knowledge of Java SE, object-oriented programming, and related tools like IDEs and version control systems. Building a strong understanding of core Java concepts increases your chances of getting a job in the field.
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The top searched job categories for Core Java Developer jobs in Jersey City, NJ are:

Core Java Developer jobs near you
Infographic showing various Core Java Developer job openings in Jersey City, NJ as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 12% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $129,790 per year, or $62.4 per hour.

Core Java Developer

Keylent Inc

Manhattan, NY • On-site

Full-time

Re-posted 20 days ago

Job description

Job Summary:
Keylent Inc is seeking a Core Java Developer with extensive experience in Java development. The role involves leading a team of developers and working within an Agile Scrum environment to deliver high-quality software solutions.
Responsibilities:
• 8+ years hands-on Java Development
• 5+ year leading team of 5+ developers
• 3+ year work experience in Agile Scrum team
• Core Java
• Very strong hands on in Core Java
• Good in Java design patterns
• Experience in consuming and producing Java web services (both SOAP and RESTFul).
• Good to have Microservices
• Strong Multithreading skills, Data Structures, Concurrency
• Experience in Spring components like AOP, Integration, MVC (good to have: Boot)
• Experience in SQL/PL-SQL
• Worked in Agile Scrum
• Experience in JIRA and Splunk
• Excellent in Analytical and troubleshooting techniques
• Excellent Communications
• APPS GENERIC SKILLS - JAVA AND J2EE TECHNOLOGIES-J2EE
Qualifications:
Required:
• 8+ years hands-on Java Development
• 5+ year leading team of 5+ developers
• 3+ year work experience in Agile Scrum team
• Core Java
• Very strong hands on in Core Java
• Good in Java design patterns
• Experience in consuming and producing Java web services (both SOAP and RESTFul)
• Strong Multithreading skills, Data Structures, Concurrency
• Experience in Spring components like AOP, Integration, MVC
• Experience in SQL/PL-SQL
• Worked in Agile Scrum
• Experience in JIRA and Splunk
• Excellent in Analytical and troubleshooting techniques
• Excellent Communications
• APPS GENERIC SKILLS - JAVA AND J2EE TECHNOLOGIES-J2EE
Preferred:
• Good to have Microservices
• Good to have: Boot
Company:
Keylent provides Software Development Services in the Cloud, Analytics and Digital Transformation space. Founded in 2010, the company is headquartered in Wilmington, USA, with a team of 201-500 employees. The company is currently Growth Stage.
Keylent logo

About Keylent

Sourced by ZipRecruiter

Keylent Inc, based in Wilmington, DE, US, operates in the dynamic IT services and solutions industry. Their official platform, keylent.com, further details their robust suite of services which primarily comprise software consulting, quality assurance, project management, and business intelligence. Keylent Inc has been an integral part of the industry since its inception, serving diverse clients with their specialized, innovative IT solutions. This customer-centric firm is founded on the core values of reliability, integrity, and zealous innovation. Their mission is to empower businesses in navigating the complex technological landscape with ease, efficiency, and confidence. Notably, Keylent Inc has been recognized for its commitment to exceptional service delivery and the profound impact of its solutions in facilitating business growth.

Industry

Internet and it

Company size

11 - 50 Employees

Headquarters location

Wilmington, DE, US

Year founded

2010

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