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

INT Technologies

Senior Java Developer

New York, NY · On-site

$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 ...

InterSources

Senior Java Engineer

Passaic, NJ · On-site

$59.25 - $75.50/hr

Senior Java Engineer Job Location: New Jersey Job Type: Contract Required Skillset: * Design and development experience with a strong command of Java J2EE and custom frameworks. * Design ...

ICONMA

FSE Senior Java Developer

Jersey City, NJ · On-site

$62.75 - $80/hr

ICONMA is an IT Services and Consultant company seeking a FSE Senior Java Developer for their Jersey City, NJ location. The role involves designing solution architectures, leading project ...

TWO95 International

Sr. Java Backend Developer

Manhattan, NY · On-site

$132K - $172K/yr

Title: Sr. Java Backend Developer Location: NYC, NY Duration: 6+ Months Contract Rate: $Open/hr. Requirements Required Skills * 8+ years of experience in software Development. * Strong experience ...

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 ...

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 ...

Verithium

Senior Fixed Income Java Developer

Newark, NJ

$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 ...

Synechron

Sr Java Developer

Jersey City, NJ

$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 ...

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 ...

Diverse Lynx

Senior Java Full Stack

Manhattan, NY · On-site

$77.90/hr

Senior Java Full Stack Work Location New York, NY 10286 Vendor Rate* $77.90/hr Contract duration (in months)* 6 Job Details: Must Have Skills (Top 3 technical skills only) * 1. Java 2. Angular 3. ...

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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

INT Technologies

New York, NY • On-site

$62.75 - $79.75/hr

Contractor

Posted 4 days ago

Job description

Company Description
Helping organizations succeed amidst the complications and perils of the world is our ultimate goal at INT. That journey begins with integrity and service and the relationships they help to build. It's the dependability found in these long-term partnerships that make INT the company more Fortune 2000 companies are turning to for their staffing needs. We're doing more than just rescuing businesses from their problems; we're rescuing them from the worries that come with not knowing the quality and dependability of their staffing provider.
INT Technologies was founded in 2000 and has experienced tremendous growth ever since. We've become a leading staffing solutions provider to several Fortune 2000 companies. We were also honored by Inc. magazine for the last 5 consecutive years as one of the fastest-growing companies in the U.S.
Our team of Senior Technical Recruiters, Client Managers and Consultant Support Professionals focuses on building long-term relationships and providing unparalleled customer support. Headquartered in Phoenix, we have offices throughout the United States in order to better serve our clients.
Job Description
Job Details:
  • 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 knowledge of Java 1.8
  • Excellent understanding of:
    • memory management
    • garbage collection
    • multi-threading and asynchronous programming
    • In depth knowledge of data structures, sorting, algorithms, parallel programming, and design patterns
  • Experience with Cache architecture or Big Data i.e. Coherence, Hbase, Hadoop, etc.
  • Experience with Oracle and sound knowledge of using SQL statements, stored procedures and triggers

Additional Information
All your information will be kept confidential according to EEO guidelines.
Looking for W2 with no sponsorship required candidates that can work for a reputable financial company in the area.

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