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Core Java Developer Jobs in Jersey City, NJ (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 ...

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 ...

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 ...

Sarian, Inc.

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Core Java Developer having experience working with cloud migration projects. * Strong Core Java Developer with Azure/AWS experience. * Working experience with Key Vault (HashiCorp / Azure / AWS)

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 ...

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 ...

Sidram Technologies

Java Developer

Englewood Cliffs, NJ · On-site

$52 - $67.25/hr

Englewood Cliffs, NJ ( Onsite interview) Skills - Core Java, Spring, GraphQL and json * Strong in core Java and Spring * Spring boot, microservices, RESTAPI * GraphQL * good communication skills ...

Jean Martin, Inc

Java Developer

Fort Lee, NJ

$52 - $67.25/hr

Strong experience in Core Java, Spring, and Spring Boot * Hands-on experience with GraphQL, Python, and AWS * Experience in JOLT (JSON-to-JSON transformation) and XSLT. * Strong communication and ...

Info-Ways

Core Java

New York, NY · On-site

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 ...

Apex Informatics

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

JS Data Analytics tools: google analytics, looker studio Proficient in Core Java development skills ... programming languages Working proficiency in a portion of software engineering disciplines and ...

Amaze Systems Inc

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Java Developer Location : NYC / 3 days from Office Hiring Type ... Fulltime + Benefits Core Technical Requirements (Must-Have) Backend / Java Strong proficiency in ...

MM International

Java/Big Data Developer

New York, NY · On-site

$55.75 - $72.25/hr

Java/Big Data Developer Location: NYC, NY, 2 Bryant Park 3 step iv process 1 hour virtual coding ... CORE Java SPRING BIG DATA- STORM/SPARK/SCALA KAFKA Financial Experience Regulatory data and ...

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All JobsCore Java Developer JobsCore Java Developer Jobs in Jersey City, NJ

Core Java Developer information

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$62

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How much do core java developer jobs pay per hour?

As of Jun 9, 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 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 are Core Java Developers?

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.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as their role involves designing, coding, and maintaining complex software systems that require human judgment and problem-solving skills. AI tools can assist with code generation and testing, but human expertise remains essential for architecture, debugging, and understanding business requirements. Continuous learning and adapting to new technologies are important for Java developers to stay relevant in an evolving tech landscape.

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.

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 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 Is a Core Java 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.

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What are popular job titles related to Core Java Developer jobs in Jersey City, NJ? For Core Java Developer jobs in Jersey City, NJ, the most frequently searched job titles are:
What job categories do people searching Core Java Developer jobs in Jersey City, NJ look for? 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 June 2026, with employment types broken down into 2% As Needed, 32% Full Time, 57% Part Time, 1% Temporary, 7% Contract, and 1% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $129,790 per year, or $62.4 per hour.
Core Java Developer

Core Java Developer

CYNET SYSTEMS

New York, NY • On-site

$50 - $55/hr

Contractor

Posted 21 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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