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Java Developer Jobs in Berlin, NJ (NOW HIRING)

Sonsoft Inc

Java DevOps

Philadelphia, PA · On-site

$52.25 - $71.75/hr

At least 4 years of experience in Java programming, RESTful Webservices development, and Spring framework, along with either knowledge or experience with Spring Boot and DevOps Process (Agile)

Sonsoft Inc

Microservices Developer (JAVA)

Philadelphia, PA · On-site

$51.50 - $66.50/hr

Deep background in Java language programming (5+ years) and implementation using Spring Framework * Agile scrum delivery experience * Experience in working with continuous delivery framework using ...

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA · On-site

$53 - $68.25/hr

The Developer will be part of a product team of designers and full-stack developers (Java back-end) developing a web and mobile application for use by the Front Line Associates & Managers in the ...

Mirai, LLC

Full Stack Java Developer

Philadelphia, PA · On-site

$53 - $68.25/hr

The Developer will be part of a product team of designers and full-stack developers (Java back-end) developing a web and mobile application for use by the Front Line Associates & Managers in the ...

USM

Locals Only Urgent Need JAVA Developer

Philadelphia, PA

$51.50 - $66.50/hr

JAVA Developer Location: Philadelphia PA (Locals or who can ready to attend F2F) Duration: 6-12 +months Top Three Skills: 1. Java 8 development experience 2. Experience writing Restful web services ...

Deegit Inc

Java developer

Mount Laurel, NJ · On-site

$50.50 - $65.25/hr

Company Description Need permanent residence Phone: (847) 440 2436 Ext. 330 Qualifications Additional Information All your information will be kept confidential according to EEO guidelines.

Sonsoft Inc

Java DevOps Consultant

Philadelphia, PA · On-site

At least 4 years of experience in Java programming, RESTful Webservices development, and Spring framework, along with either knowledge or experience with Spring Boot and DevOps Process (Agile)

Varsity Tutors

Java Tutor

Chester, PA · Remote

$40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism, interfaces, exception handling, generics, collections framework, file I/O, and multithreading.

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How much do java developer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for java developer in Berlin, NJ is $56.68, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.46 per hour, depending on experience, location, and employer.

What is a Java developer?

Java Developers are software professionals who specialize in designing, developing, and maintaining applications using the Java programming language. They work on a variety of projects, including web, desktop, and mobile applications, as well as enterprise-level systems. Java Developers are responsible for writing clean and efficient code, testing and debugging programs, and collaborating with other team members to deliver robust software solutions. Their expertise in Java and related technologies is crucial for building scalable and secure applications.

What do Java developers do?

Java developers create dynamic computer applications and websites using the Java computer programming language. The Java language integrates with other programming languages and infrastructures to build robust business applications and software for a wide range of industries, from finance and healthcare to content management and social media. Java developers may be involved in all stages of application development, from conception and design to testing, production, and ongoing maintenance. The goal is to provide efficient solutions for business needs.

What are the key skills and qualifications needed to thrive as a Java developer, and why are they important?

To thrive as a Java Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, usually supported by a degree in computer science or related fields. Familiarity with frameworks such as Spring or Hibernate, experience with version control systems like Git, and sometimes certification like Oracle Certified Professional Java Programmer (OCPJP) are commonly required. Effective problem-solving, teamwork, and attention to detail are crucial soft skills in this role. These skills ensure robust, maintainable, and scalable software solutions that meet project requirements and business goals.

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

Java Developers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring efficient performance, and integrating with legacy systems. Collaborating with cross-functional teams is crucial, as these projects typically involve multiple developers, QA engineers, and business analysts. Additionally, maintaining code quality and adhering to best practices while meeting tight deadlines can be demanding. Staying up-to-date with evolving frameworks and tools also plays a key role in overcoming these challenges.

What is the difference between Java Developer vs Software Engineer?

AspectJava DeveloperSoftware Engineer
Required CredentialsBachelor's in Computer Science or related, Java certificationsBachelor's in Computer Science or related, various certifications
Work EnvironmentDevelops Java-based applications, often in teamsDesigns and develops software solutions, may include Java projects
Employer & Industry UsageTech companies, finance, e-commerceBroad industry, including tech, finance, healthcare

Java Developers focus specifically on Java programming, while Software Engineers have a broader role in designing and developing software solutions across multiple languages. Both roles often require similar educational backgrounds and certifications, but Java Developers typically work more directly with Java-based projects, whereas Software Engineers may handle diverse technologies.

Is a Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud platforms can enhance job prospects in this field.
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What job categories do people searching Java Developer jobs in Berlin, NJ look for?

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

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

Java Developer jobs near you
Infographic showing various Java Developer job openings in Berlin, NJ as of August 2026, with employment types broken down into 82% Full Time, 4% Part Time, and 14% Contract. Highlights an 79% Physical, 5% Hybrid, and 16% Remote job distribution, with an average salary of $117,893 per year, or $56.7 per hour.

Java Developer for Machinery Control Systems

Philadelphia, PA • On-site

R&P Technologies, LLC
201 - 500 employees
Learn more about R&P Technologies, LLCexternal

$46.75 - $60.50/hr

Full-time

Medical, Retirement

Posted 28 days ago

Key responsibilities

  • Develop, test, install, and maintain Machinery Control Systems (MCS) and On-Board Training Software.

  • Perform Java code development, including migration from Java 8 to Java 17, and support debugging and problem resolution.

  • Support the software life cycle by documenting requirements, writing technical documentation, and providing technical support.

Job description

R&P is looking for a motivated individual who wants to join our team supporting the Naval Surface Warfare Center (NSWC) Philadelphia Division in Philadelphia, PA. We are a small-sized defense contractor providing Engineering, Logistics, Program Management and Technical Services to government clients. We are seeking a Software Engineer to support the development, maintenance, and delivery of Machinery Control Systems (MCS) and On-Board Training software for U.S. Navy ships. The selected candidate will be interfacing with U.S. Navy civilian software and systems engineers, support contractors, U.S. Navy ships force, OEMs, and engineering management. The selected candidate will contribute to all aspects of the software life cycle including, but not limited to, requirements definition, software development, documentation, testing, deployment, technical support, and maintenance. This job is for onsite work at the NSWCPD facilities in the Philadelphia Navy Yard.


  • Develop and maintain working knowledge of Machinery Control Systems (MCS) and On-Board Training Software.
  • Design, develop, test, install, and maintain MCS and Training software and supporting software products.
  • Perform Java code development and Java 8 to 17 migration.
  • Work with MATLAB, Simulink, Simulink Coder (Real-Time Workshop), Microsoft Visual Studio, and Git version control.
  • Identify and document software and system related problems.
  • Resolve software problems through debugging, research, and investigation.
  • Provide distance and onsite support of software problems.
  • Prepare and maintain new and/or existing software requirements.
  • Write, review, and maintain technical documentation such as user manuals, product specifications, and training materials.
  • Participate in special projects as required.

Mandatory:

  • At least 3 years of Java developer experience.
  • Bachelor's degree in Computer, Electrical or Electronics Engineering, Computer Science.
  • CompTIA Security+ certification.
  • DoD secret security clearance.
  • Ability to work daily in the office onsite at the Philadelphia Naval Yard.

Desired Skills and Experience:

  • Experience with Java 17-25 development.
  • Experience with Java 8 to Java 17 migration (including records, sealed classes, and enhanced switch).
  • Experience maintaining/refactoring large legacy Java codebases (300k+ LOC).
  • Knowledge of PLC I/O mapping, ladder logic behaviors, and Allen-Bradley ControlLogix/CompactLogix.
  • Familiar with SCADA systems like FactoryTalk View, Ignition, or Wonderware.
  • Ability to learn PIMCS framework (Platform Independent Machinery Controls System ecosystem in NSWCPD).
  • Experience delivering software under CMMI Level 3+ or equivalent.
  • Decipher, read and understand code metrics for test coverage from Sonarqube.
  • Fluent and able to navigate in a Linux Operating System.

Working Conditions:

The work is typically performed at client site locations in an office environment or Control System Test Labs. Additional work may be performed onboard U.S. Navy Ships (pier side and at sea), which requires proper safety precautions and ability to go up and down shipboard stairways (ladders); work may require some physical effort in the handling of light materials, boxes, or equipment. 


R&P Technologies provides equal opportunity for all persons and prohibits discrimination in employment because of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability (including pregnancy, childbirth or related medical conditions), veteran or marital status, or any other factor prohibited by law. This policy applies to all terms and conditions of employment, including, but not limited to, hiring, placement, promotion, termination, layoff, recall, transfer, leave, compensation, and training.

R&P maintains an Affirmative Action Plan to establish fair access to employment opportunities and to create a work community that is an accurate reflection of the qualified workforce. Due to security clearance requirements, U.S. citizenship is required for most positions


R&P offers a highly competitive compensation package that includes contributions towards health insurance, 401(k) matching, and other non-salary benefits. Exact salary will be commensurate with experience and qualifications.

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