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

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 ...

Luxoft

Senior Java Developer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

🚀 Senior Java Engineer | Java, Spring & Distributed Systems We are working on a platform, which receives data about securities and prices from various data providers, enrich and validate it, and ...

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

$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 ...

3Mkllc-Softwaresolutions

Sr Java Developer

Bridgewater, NJ · On-site

$58.50 - $74.75/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 ...

New

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 ...

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 ...

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 ...

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 ...

Donato Technologies, Inc

Java Developer

Berkeley Heights, NJ · On-site

$53.25 - $69/hr

Title: Sr. Java Developer Location: Berkeley Heights, NJ (5 Days Onsite) * Strong Java and Micro services development experience * Previous work experience with Spring Boot framework * Strong ...

Apex Informatics

Java Developer

Manhattan, NY · On-site

$56.25 - $72.75/hr

Senior Java Developer New York New York 10001 (Hybrid role) 18 months Contract W2 Candidates only Job Requirements : Team is working on integration of The Infatuation website and apps. This team is ...

Esprow

Senior Java Developer

Manhattan, NY · On-site

$62.75 - $80/hr

Position Summary We are looking for a talented, Senior Java developer, responsible for designing and delivering high-quality code based on business requirements and Esprow's internal technology ...

Esprow

Senior Java Developer

Manhattan, NY · On-site +1

$62.75 - $80/hr

Position Summary We are looking for a talented, Senior Java developer, responsible for designing and delivering high-quality code based on business requirements and Esprow's internal technology ...

Jobsbridge

Senior Java Developer

Newark, NJ · On-site

$59.75 - $76.25/hr

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Requirements: Able to interpret business requirements and programming ...

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

Senior Java Developer information

See Sewaren, NJ salary details

$11

$64

$88

How much do senior java developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior java developer in Sewaren, NJ is $64.39, according to ZipRecruiter salary data. Most workers in this role earn between $56.39 and $71.92 per hour, depending on experience, location, and employer.

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 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 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 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 popular job titles related to Senior Java Developer jobs in Sewaren, NJ?

For Senior Java Developer jobs in Sewaren, NJ, the most frequently searched job titles are:

What cities near Sewaren, NJ are hiring for Senior Java Developer jobs?

Cities near Sewaren, NJ with the most Senior Java Developer job openings:

Senior Java Developer jobs near you
Infographic showing various Senior Java Developer job openings in Sewaren, NJ as of August 2026, with employment types broken down into 76% Full Time, 9% Part Time, 14% Contract, and 1% Nights. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $133,925 per year, or $64.4 per hour.

Senior Java Developer

Ztek Consulting INC

New York, NY • On-site

$62.75 - $79.75/hr

Contractor

Re-posted 2 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.