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Senior Java Developer C2C Jobs in New Jersey (NOW HIRING)

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 ...

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 ...

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 ...

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 ...

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 ...

Senior Java Developer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

Job#: 3044594 Senior Java Developer Location: Jersey City, New Jersey (Onsite) Role Overview This role involves the design and development of components and frameworks in Java, adhering to ...

NJ · On-site

$120 - $150/hr

Apogee Global RMS is seeking a skilled Node.js / Java / Microservices Developer to support our enterprise client in New Jersey. This role focuses on designing, developing, and delivering scalable ...

Senior Java Developer

Piscataway, NJ · On-site

$57.25 - $73/hr

Apogee Global RMS is seeking a skilled Node.js / Java / Microservices Developer to support our enterprise client in New Jersey. This role focuses on designing, developing, and delivering scalable ...

Senior Java Developer

Piscataway, NJ · On-site

$57.25 - $73/hr

Apogee Global RMS is seeking a skilled Node.js / Java / Microservices Developer to support our enterprise client in New Jersey. This role focuses on designing, developing, and delivering scalable ...

Senior Java Developer

Piscataway, NJ · On-site

$58.25 - $74.50/hr

Apogee Global RMS is seeking a skilled Node.js / Java / Microservices Developer to support our enterprise client in New Jersey. This role focuses on designing, developing, and delivering scalable ...

Senior Java Developer

Edison, NJ · On-site

$59.25 - $75.50/hr

* 4-7 years in backend and fullstack engineering with proficiency in Java development * Vertx framework is a plus * Experience in NodeJS Golang gRPC is a plus. * Strong expertise in microservices ...

AVP Senior Java Developer

Rutherford, NJ · On-site

$58.25 - $74.50/hr

Senior Java developer is responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall ...

Senior Java developer

Jersey City, NJ · On-site

$59.75 - $76.25/hr

Bachelors degree in Computer Science, Engineering, or related field. 8+ years of professional experience in Java development. 3+ years of experience designing and developing solutions in AWS cloud ...

AVP Senior Java Developer

Rutherford, NJ · On-site

$121.20 - $181.80/hr

Senior Java developer is responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall ...

Developer

Jersey City, NJ

$59.75 - $76.25/hr

Major Company looking for a Senior Java Developer with Internationalization experience. Must have 5 + years experience developing with J2EE/I18N....Must have exellent communication skills, and the ...

Showing results 21-40

Senior Java Developer C2C information

What is a senior Java developer C2C?

A Senior Java Developer C2C is an experienced software engineer who specializes in Java programming and works on a 'Corp-to-Corp' (C2C) basis. This means the developer provides services through their own corporation or business entity, rather than as a direct employee or independent contractor. Senior Java Developers are responsible for designing, developing, and maintaining complex Java applications, leading projects, and mentoring junior developers. C2C arrangements are common in IT contracting, particularly in the United States, and typically require the developer to handle their own business taxes and legal compliance.

What are the key skills and qualifications needed to thrive as a senior Java developer C2C?

To thrive as a Senior Java Developer (C2C), you need expert-level proficiency in Java, object-oriented programming, system architecture, and a solid foundation in computer science, usually supported by a bachelor’s degree or higher. Familiarity with frameworks like Spring, Hibernate, RESTful APIs, version control systems such as Git, and build tools like Maven or Gradle, along with experience in Agile methodologies, is typically required. Strong problem-solving, leadership, and communication skills help you collaborate effectively with cross-functional teams and mentor junior developers. These skills and qualities are crucial for delivering robust, scalable software solutions and ensuring project success in dynamic environments.

What are some common challenges senior Java developers face when working on C2C (Corp-to-Corp) contracts?

Senior Java Developers working on C2C contracts often encounter challenges such as quickly adapting to new project environments, understanding diverse client requirements, and integrating with teams that may have established workflows or legacy systems. Additionally, they need to manage their own business operations, including invoicing and compliance, while maintaining high productivity and technical standards. Effective communication and self-management are essential, as C2C roles may offer less direct supervision compared to traditional employment.

What is the difference between Senior Java Developer C2C vs Java Software Engineer?

AspectSenior Java Developer C2CJava Software Engineer
CredentialsJava certifications, experience in Java SE/EEJava certifications, similar experience
Work EnvironmentContract-based, client-site or remote, project-focusedFull-time, in-house or remote, development team
Industry UsageFreelance/contract roles across industriesPermanent roles in tech companies or enterprises
Search IntentContract Java roles, freelance Java jobsFull-time Java developer positions

While both roles require Java expertise and similar certifications, Senior Java Developer C2C typically involves contract-based, project-specific work often on a freelance basis. Java Software Engineer usually refers to full-time, in-house roles within organizations. The choice depends on whether you're seeking flexible contract work or a permanent position.

What are the most commonly searched types of Java Developer C2C jobs in New Jersey?

The most popular types of Java Developer C2C jobs in New Jersey are:

What are popular job titles related to Senior Java Developer C2C jobs in New Jersey?

For Senior Java Developer C2C jobs in New Jersey, the most frequently searched job titles are:

What job categories do people searching Senior Java Developer C2C jobs in New Jersey look for?

The top searched job categories for Senior Java Developer C2C jobs in New Jersey are:

What cities in New Jersey are hiring for Senior Java Developer C2C jobs?

Cities in New Jersey with the most Senior Java Developer C2C job openings:

Infographic showing various Senior Java Developer C2C job openings in New Jersey as of August 2026, with employment types broken down into 84% Full Time, 3% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Senior Java Developer

Monitise

Berkeley Heights, NJ • On-site

$97K - $164K/yr

Full-time

Re-posted 18 days ago


Job description

Calling all innovators - find your future at Fiserv.

We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv.

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 engineering, product, and DevOps teams to deliver reliable software using modern development practices and cloud-native technologies. This role matters by helping teams build high-quality services that improve performance, support growth, and meet business and technical requirements.

What you'll do:

  • Design, code, test, debug, and maintain Java applications and microservices using Java 17, Spring Boot, Spring Batch, Kafka, Kubernetes, and related technologies.
  • Collaborate with cross-functional teams to gather requirements, define technical solutions, and implement scalable and maintainable backend services.
  • Contribute to architecture discussions and support the design of new features, enhancements, and system improvements with a focus on performance, scalability, and reliability.
  • Build and enhance event-driven microservices and distributed messaging solutions using Apache Kafka for business-critical processing workflows.
  • Partner with DevOps teams to support build automation, deployment, monitoring, and continuous integration and continuous deployment (CI/CD) practices.
  • Create and maintain technical documentation including system designs, application programming interface (API) specifications, and implementation details.
  • Perform unit testing, integration testing, code reviews, and release support activities to improve software quality and delivery consistency.
  • Participate in Agile ceremonies and contribute ideas that improve engineering practices, team processes, and software quality.
  • Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.

Experience you'll need to have:

  • 5+ years of experience designing, developing, and maintaining Java-based enterprise applications in production environments.
  • 5+ years of experience building backend services or microservices using Java, Spring Boot, Spring Batch, Spring Cloud Stream, or similar enterprise frameworks.
  • 5+ years of experience designing and developing RESTful application programming interfaces (APIs) with attention to security, scalability, and maintainability.
  • 5+ years of experience working with Apache Kafka or similar distributed messaging platforms in asynchronous or event-driven architectures.
  • 5+ years of experience working with containerization and orchestration technologies such as Docker and Kubernetes for application deployment, scaling, and troubleshooting.
  • Experience with relational and non-relational databases such as MySQL, MongoDB, or similar platforms, including data access and query optimization.
  • Experience using Git and modern continuous integration and continuous deployment (CI/CD) tools in Agile software delivery environments.
  • Bachelor's degree in computer science, software engineering, or a related field, or equivalent combination of education, related experience and/or military experience.

Experience that would be great to have:

  • Experience with distributed systems design and high-volume event processing.
  • Experience with cloud-native application deployment and observability practices.
  • Experience with Scrum or other Agile delivery frameworks.

Important info about this role:

  • You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.
  • We're better together. This role is fully on-site.
  • This is a full-time, direct-hire position, and no contract options for unsolicited agency submissions will be considered.

#LI-IH1

Salary Range

$97,500.00 - $164,400.00

These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ.

It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.

This position is not eligible for an annual incentive opportunity and is also not eligible to earn commissions.

Thank you for considering employment with Fiserv. Please:

  • Apply using your legal name
  • Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).

Our commitment to Equal Opportunity:

Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law.

If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contactAskHR.US@fiserv.com. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv's Disability Accommodation Policy for additional information.

Note to agencies:

Fiserv does not accept resume submissions from agencies outside of existing agreements.Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions.

Warning about fake job posts:

Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address.