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Senior Java Jobs in Piscataway, NJ (NOW HIRING)

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 ...

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 ...

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 ...

Senior Java Full Stack Developer

Iselin, NJ · On-site

$53.25 - $68.75/hr

Location: Iselin or New York Job Posting Title Senior Java Full Stack Developer Summary The Senior Java Full Stack Developer is responsible for leading the design, development, and delivery of ...

Senior Java Backend Developer Location: Jersey City, NJ (Hybrid, minimum 3 days on-site per week) Duration: Contract - 12 months Pay Range: $68.25/hr Pay rate exception of: $80.97/hr (W2) - without ...

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 ...

Senior Java FullStack Developer

Manhattan, NY · On-site

$63 - $80.50/hr

ICONMA is an IT Services and Consultant company, and they are seeking a Senior Java FullStack Developer for their New York, NY location. The role involves designing and developing high-performance ...

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 ...

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 ...

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 ...

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 ...

Senior Java Developer

Jersey City, NJ · On-site

$58.26 - $66.26/hr

Genesis10 is currently seeking a Senior Java Developer for a contract position with a Global Financial Institution located in Jersey City, NJ. This is a 12+ month contract opportunity. In this role ...

Showing results 41-60

Senior Java information

See Piscataway, NJ salary details

$11

$64

$87

How much do senior java jobs pay per hour?

As of Aug 6, 2026, the average hourly pay for senior java in Piscataway, NJ is $64.01, 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 skills and qualifications are needed to thrive as a senior Java developer?

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 Piscataway, NJ? The most popular types of Java jobs in Piscataway, NJ are:
What cities near Piscataway, NJ are hiring for Senior Java jobs? Cities near Piscataway, NJ with the most Senior Java job openings:

Senior Java Developer

Ztek Consulting INC

New York, NY • On-site

$62.75 - $79.75/hr

Contractor

Re-posted 5 days ago


Job description

Job Title: 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's education, work experience, work location, specific job duties, certifications, etc.
 
Skills :
• Design and develop robust, scalable, and high-performance backend applications using Java 17+ and modern frameworks.
• Build and maintain RESTful APIs and microservices using Spring Boot 3.3.x, ensuring reliability, security, and performance.
• Implement data persistence and complex queries using JPA with relational or NoSQL databases.
• Utilize Docker to containerize backend services for consistent deployment in cloud-native environments.
• Collaborate with front-end teams to support seamless API integration and ensure end-to-end functionality.
• Implement event-driven architectures and work with Kafka and MQ for real-time messaging and event management.
• Design and develop responsive, high-performance web applications using Angular.
• Use Git for version control and participate in CI/CD pipelines for automated deployment.
• Providing guidance and mentorship to development teams, ensuring adherence to architectural standards and best practices
Required Skills:
• Deep Java Expertise: Strong proficiency in Java programming language, including its core concepts, frameworks, and libraries.
• Software Architecture Principles: Solid understanding of architectural patterns, design principles, and best practices.
• Hands-on Development Experience: Proven experience in developing and implementing Java-based applications.
• Strong hands-on experience with Java 17, Spring Boot, and JPA
• Experience with Angular 17+ and front-end integration
• Ability to design and develop robust, scalable backend applications
• Working knowledge of at least one database (e.g., MySQL, PostgreSQL, MongoDB, Oracle).
• Experience with Git and CI/CD tools (e.g., GitHub Actions).
• Database Knowledge: Experience with relational databases and ORM frameworks like Hibernate or JPA.
• API Development: Experience with building and consuming APIs (REST, SOAP).
• Testing and Debugging: Proficiency in unit testing, integration testing, and debugging Java code.
• Cloud Technologies: Experience with cloud platforms like AWS, Azure, or Google Cloud is often required.
ABOUT Ztek: 
Website: www.ztekinc.com
Ztek Consulting Inc is a minority- and woman-owned business enterprise that leverages a unique blend of human talent, machine learning algorithms, and artificial intelligence to provide customized talent management solutions for clients. Ztek’s diversity-focused hiring models have proven successful, particularly in hiring veterans. The company's veteran-focused hiring and deployment program, Z-V.E.T, matches skilled veterans with clients' needs in various areas.
Disclaimer:
Ztek is an Equal Opportunity Employer and prohibits any kind of unlawful discrimination and harassment. Ztek is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment on the basis of race, color, religion or belief, national origin, citizenship, social or ethnic origin, sex, age, physical or mental disability, veteran status, marital status, domestic partner status, sexual orientation, or any other status protected by the statutes, rules, and regulations in the locations where it operates.If you are an individual with a disability and need a reasonable accommodation to assist with your job search or application for employment, please contact us at hrd@ztekinc.com Please indicate the specifics of the assistance needed. Ztek encourages all interested and qualified candidates to apply for employment opportunities. Ztek does not discriminate against applicants based on citizenship status, immigration status, or national origin, in accordance with 8 U.S.C. 1324b.