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Senior Java Developer Jobs in Iselin, NJ (NOW HIRING)

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 ...

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 ...

Jobsbridge

Sr. Java Developer

New York, NY · On-site

$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 ...

MM International

Sr Java Fullstack Developer

Woodbridge, NJ · On-site

$57.75 - $73.75/hr

Title: Sr Java Fullstack Developer Locations: Woodbridge Township, NJ (Hybrid), (3 days onsite/2 wfh) Duration: 12+ Months Contract Interview Process: 1 round, potentially 2 worst case Required ...

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 ...

HCL Global Systems Inc

JAVA DEVELOPER

Jersey City, NJ · On-site

$55.75 - $72.25/hr

HCL Global Systems Inc is seeking a Senior Java Developer to implement application enhancements in the Payment Area. The role involves participating in all phases of the software development ...

3MK Software Solutions

Sr Java Developer

Bridgewater, NJ · On-site

$58.50 - $74.50/hr

During the term of these projects, the team had needed to develop an advanced implementation methodology. Sr. Java Software Engineer, Server Side Development - EBU Design and develop n-tier ...

Fiserv, Inc.

Senior Java Developer

Berkeley Heights, NJ · On-site

$110K - $186K/yr

Job Title Senior Java Developer About your role: Design, develop, and maintain Java-based middleware services that support issuer applications and core business processes. Partner with engineering ...

Fiserv, Inc.

Senior Java Developer

Berkeley Heights, NJ · On-site

$97K - $164K/yr

Job Title Senior Java Developer About your role: Design, develop, and maintain backend Java applications and enterprise microservices that support scalable and secure business solutions. Partner with ...

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 ...

Monitise

Senior Java Developer

Berkeley Heights, NJ · On-site

$97K - $164K/yr

Job Title Senior Java Developer About your role: Design, develop, and maintain backend Java applications and enterprise microservices that support scalable and secure business solutions. Partner with ...

Monitise

Senior Java Developer

Berkeley Heights, NJ · On-site

$110K - $186K/yr

Job Title Senior Java Developer About your role: Design, develop, and maintain Java-based middleware services that support issuer applications and core business processes. Partner with engineering ...

HSSSoft

Sr. Java developer with GWT

Edison, NJ · On-site

$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 ...

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All JobsJava Developer JobsSenior Java Developer JobsSenior Java Developer Jobs in Iselin, NJ

Senior Java Developer information

See Iselin, NJ salary details

$11

$63

$87

How much do senior java developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for senior java developer in Iselin, NJ is $63.80, according to ZipRecruiter salary data. Most workers in this role earn between $55.91 and $71.30 per hour, depending on experience, location, and employer.

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

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are some common challenges senior Java developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

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

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.
What are the most commonly searched types of Java Developer jobs in Iselin, NJ? The most popular types of Java Developer jobs in Iselin, NJ are:
What are popular job titles related to Senior Java Developer jobs in Iselin, NJ? For Senior Java Developer jobs in Iselin, NJ, the most frequently searched job titles are:
What job categories do people searching Senior Java Developer jobs in Iselin, NJ look for? The top searched job categories for Senior Java Developer jobs in Iselin, NJ are:
What cities near Iselin, NJ are hiring for Senior Java Developer jobs? Cities near Iselin, NJ with the most Senior Java Developer job openings:
Senior Java Developer jobs near you

Senior Java Developer

INT Technologies

New York, NY

$62.75 - $79.75/hr

Contractor

Re-posted 18 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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