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Senior Java Jobs in Union City, NJ (NOW HIRING)

Genesis10

Senior Java Developer

Manhattan, NY · On-site

$63 - $80.50/hr

Genesis10 is currently seeking a Senior Java Developer for a contract position with a Global Financial Institution located in Pennington, NJ, Jersey City, NJ or New York, NY. This role is responsible ...

Sarian, Inc.

Sr. Java Developer

Manhattan, NY · On-site

$63 - $80.50/hr

Role: Sr. Java Developer Location: New York City, Jersey City- Fulltime Position Skill: Java Developer * Clear articulate communication skills - We collaborate often and look for developers that are ...

Diverse Lynx

Sr. Java Fullstack Developer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

Job Title: Sr. Java Fullstack Developer, Location: Jersey City, NJ - 5 days onsite role Long Term Project Mandatory Technical Skills (Non-Negotiable): * Core Java (Java 8+) * Spring & Spring Boot ...

ShiftCode Analytics

Senior Java Engineer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

Senior Java Engineer Client is looking for an accomplished Java Specialist to work with a team, that partners with business leaders and industry experts to build transformational technology to drive ...

Navtech, Inc.

Sr Java Developer with Camel Exp

Jersey City, NJ · On-site

$62.75 - $80/hr

: Job Title: Sr Java Software Developer Location: Jersey City/Whitehouse Station, NJ (Remote till Covid-19) Duration: 12+ Months Contract Mandatory Skills: Java, Microservices, Camel Qualifications ...

Scalence L.L.C.

Senior Java AI Developer

Jersey City, NJ · On-site

$62.75 - $80/hr

C. is seeking a Senior Java AI Developer to join their team. The role involves extensive experience in Java development and knowledge in Generative AI, particularly within the banking domain.

New

Jobsbridge

Sr. Java Developer

New York, NY

$62.75 - $79.75/hr

Skill Sr. Java Developer Location New York, NY Total Experience 7 yrs. Max Salary Not Mentioned Employment Type Direct Jobs (Full Time) Domain Any Description NO C2C Responsibilities: Developing web ...

United Software Group

Senior Java Engineer

Parsippany, NJ · On-site

$57.50 - $73.50/hr

Senior Java Engineer Location: Parsippany, NJ (Hybrid) Duration: 12+ Months (Potential Extension) Position Overview The ideal candidate will possess strong expertise in Java, Spring Boot ...

1872 Consulting

Senior Java/Oracle Developer

Manhattan, NY · On-site

$63 - $80.50/hr

Senior Java/Oracle Developer Midtown, NYC Responsibilities: * Design, develop, maintain web-based applications and programs for our online brokerage services. * Maintain large-multi-tiered web ...

INT Technologies

Senior Java Developer

New York, NY

$62.75 - $79.75/hr

This position is for a senior Java developer working on a project to replace the system of record application with an in house developed application. Qualifications Technical Skills: * In depth ...

Technamo

Sr. Java API developer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

Sr. Java Api Developer TECHNAMO is a niche, young & dynamic IT service provider, VA SWaM certified, Microsoft Cloud Certified Partner, focused on providing IT Solutions & Services to government and ...

Ask IT consulting

Sr. Java Develoepr

Jersey City, NJ · On-site

$59.75 - $76.25/hr

The Judiciary is looking for a highly skilled SENIOR JAVA Programmer who has solid experience in developing J2EE applications. They expect this Senior Programmer to be an expert on JSF (Java Server ...

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All JobsSenior Java JobsSenior Java Jobs in Union City, NJ

Senior Java information

See Union City, NJ salary details

$12

$68

$94

How much do senior java jobs pay per hour?

As of Jun 27, 2026, the average hourly pay for senior java in Union City, NJ is $68.67, according to ZipRecruiter salary data. Most workers in this role earn between $60.14 and $76.73 per hour, depending on experience, location, and employer.

What does a Senior Java Developer do?

A Senior Java Developer is responsible for designing, developing, and maintaining complex Java-based applications. They often lead development teams, make architectural decisions, and ensure code quality through best practices. Their role also includes mentoring junior developers, participating in code reviews, and collaborating with stakeholders to deliver robust software solutions. Senior Java Developers are expected to have extensive experience with Java frameworks, databases, and deployment processes.

What is the difference between Senior Java vs Java Developer?

AspectSenior JavaJava Developer
Required CredentialsBachelor's degree, extensive Java experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, Java knowledge, entry to mid-level certifications
Work EnvironmentTeam lead, project architect, involved in design and mentoringDevelopment team member, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software agencies, enterprise sectors

Senior Java professionals typically have more experience, leadership responsibilities, and advanced certifications compared to Java Developers. They often lead projects and mentor junior staff, while Java Developers focus on coding and implementation. Both roles are vital in software development, but the senior position involves greater strategic input and oversight.

What are the key skills and qualifications needed to thrive as a Senior Java Developer, and why are they important?

To thrive as a Senior Java Developer, you need deep expertise in Java programming, object-oriented design, and a strong grasp of software development principles, typically backed by a computer science degree or relevant experience. Experience with tools like Spring Framework, Hibernate, Maven, Git, and proficiency in using integrated development environments (IDEs) such as IntelliJ IDEA or Eclipse is essential, and certifications like Oracle Certified Professional (OCP) can be beneficial. Outstanding problem-solving skills, effective communication, and the ability to mentor junior developers set top performers apart. These skills ensure the delivery of robust, maintainable code and foster high-performing teams capable of tackling complex projects.

How do Senior Java Developers typically collaborate with cross-functional teams on large-scale projects?

Senior Java Developers often work closely with product managers, QA engineers, UI/UX designers, and DevOps teams to ensure successful project delivery. They participate in architectural discussions, provide technical guidance, and help translate business requirements into scalable software solutions. Regular communication and agile ceremonies like sprint planning and code reviews are common, allowing them to align development efforts with overall business goals and quickly address challenges. This collaborative environment helps Senior Java Developers mentor junior team members and foster a culture of continuous improvement.
What cities near Union City, NJ are hiring for Senior Java jobs? Cities near Union City, NJ with the most Senior Java job openings:
Senior Java jobs near you
Senior Java Developer

Senior Java Developer

Genesis10

Manhattan, NY • On-site

$63 - $80.50/hr

Full-time

Posted 9 days ago

Job description

Job Summary:
Genesis10 is currently seeking a Senior Java Developer for a contract position with a Global Financial Institution located in Pennington, NJ, Jersey City, NJ or New York, NY. This role is responsible for designing, developing, and maintaining integration solutions that ensure seamless connectivity between enterprise systems, with a focus on high performance and strict security and compliance standards.
Responsibilities:
• Design, develop, and maintain integration solutions using Java 8 through Java 21
• Ensure seamless connectivity between enterprise systems
• Maintain high performance and adherence to security and compliance standards
Qualifications:
Required:
• Strong Java development experience, preferably across Java 8 through modern versions up to Java 21
• Strong experience with Spring Framework and Spring Boot
• Experience building applications using service/repository patterns and dependency injection
• Experience designing and implementing DTO-based REST/service layers
• Experience exposing endpoints using Spring MVC
• Strong .NET UI development experience
• Good understanding of multi-threaded application development
• Experience with Maven, Jenkins, and CI/CD pipelines
• Knowledge of UNIX/Linux environments
• Strong analytical and problem-solving skills
• Ability to multi-task and work under pressure
• Strong communication skills
Preferred:
• Experience with enterprise UI development and service integration
• Knowledge of modern SDLC practices and tools including Git, Bitbucket, Jenkins, Agile, code reviews, and CI/CD
• Investment banking IT experience
• Experience working with production management and infrastructure teams
• Experience improving application resiliency, scalability, and supportability
Company:
Information Technology and Services Founded in 1999, the company is headquartered in New York, USA, with a team of 1001-5000 employees. The company is currently Late Stage.
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About Genesis10

Sourced by ZipRecruiter

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

New York, NY, US

Year founded

1999

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