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Senior Java Jobs in Union, NJ (NOW HIRING)

Accord Technologies Inc.

Sr. Java AWS developer

Piscataway, NJ · On-site

$58.25 - $74.50/hr

Senior JAVA AWS Developer Location: Piscataway, NJ Position type: W2 contract Duration: 6-12 months Experience: Min 10 Years hands on development experience with a background on building end to end ...

Custom Staffing

Java Developer Senior

Manhattan, NY · On-site

$85 - $100/hr

Senior Java Developer Location: New York City, NY (100% Onsite Local Candidates Only) Rate: $85 $100/hr (W2 Only) Industry: Financial Services Duration: Contract (Long-term) No Corp to Corp or 3rd ...

PamTen Inc

Senior Java Developer

Manhattan, NY · On-site

$63 - $80.50/hr

Senior Java Developer Location: NYC , NY (Hybrid) Responsibilities * Design, develop, and improve the digital products and technology services we provide to our clients and employees. * Apply a broad ...

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NAVA Software Solutions

Java Architect - Remote

Jersey City, NJ · On-site +1

$65.75 - $88.75/hr

NAVA Software solutions is looking for a Java Architect Details: Java Architect Location: 100% Remote Duration: 12 months Exp: 12+ years Client is looking for a Sr. Java Architect having experience ...

Verithium

Senior Fixed Income Java Developer

Newark, NJ · On-site

$59.75 - $76.25/hr

As a Senior Java Developer you will design and code the next generation of the fixed income trading platform. This is a great opportunity to work with a team of gifted engineers focused on ...

Ztek Consulting INC

Senior Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

Senior Java Developer Duration: 6-12 months Location: Onsite at New York, NY Work Type: Rate: Pay range offered to a successful candidate will be based on several factors, including the candidate ...

HSSSoft

Sr. Java developer with GWT

Edison, NJ

$59.25 - $75.50/hr

Company Description Title: Sr. Java developer with GWT Location: Edison, NJ, United States Responsibilities: To design and develop applications based on Java/J2EE components. Design, develop ...

Synechron

Sr Java Developer

Jersey City, NJ · On-site

$110K - $120K/yr

Our challenge We are seeking a Senior Java Developer candidate will be responsible fordesigning, developing, and maintaining complex software applications using Java. Additional Information* The base ...

SOHO Square Solutions

Sr. Java Developer

New York, NY · On-site

$62.75 - $79.75/hr

Specific Responsibilities 1. As a senior developer, the resource will act as the point of contact for the team. 2. Work in heterogeneous environment at all layers of the architectural stack (Java ...

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All JobsJava JobsSenior Java JobsSenior Java Jobs in Union, NJ

Senior Java information

See Union, NJ salary details

$11

$64

$87

How much do senior java jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for senior java in Union, NJ is $64.02, according to ZipRecruiter salary data. Most workers in this role earn between $56.11 and $71.54 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 are the most commonly searched types of Java jobs in Union, NJ? The most popular types of Java jobs in Union, NJ are:
What cities near Union, NJ are hiring for Senior Java jobs? Cities near Union, NJ with the most Senior Java job openings:
Senior Java jobs near you
Java eTrading Consultant

Java eTrading Consultant

Brains Workgroup, Inc.

Manhattan, NY • On-site

$100 - $127/hr

Other

Re-posted 6 days ago

Job description

Our client, a major bank in New York City, is looking for hands-on Java Developer Consultant
This role is hybrid commute (2/3 days office/home).
This is 6 months contract with possible extensions or option to hire.

** Must be authorized to work for ANY employer in US - NO H1 Visa support for this role
Rate: $100-127/h on W2 DOE, possible C2C as well.

Sr Java Developer J2EE

We are starting up a new rates electronic trading business and we are looking for an experienced Java developer to join this effort. This is a unique opportunity to get in on the ground floor of a greenfield development project to design and develop a low-latency, electronic trading platform for US rates. In this role, you will work directly with trading and quantitative teams to build and deliver new trading capabilities and services leveraging modern technologies and architectures.

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