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Online Java Developer Jobs in Williamstown, NJ (NOW HIRING)

Sonsoft Inc

Java DevOps

Philadelphia, PA

$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

$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.

Quantix

Java Engineer

Philadelphia, PA · On-site

$52.25 - $71.75/hr

Java Engineer Location: Philadelphia, PA Type: Direct Hire Client located with offices in Philadelphia, Pennsylvania is seeking a Java Engineer for a direct hire position. This position will ...

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Online Java Developer information

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How much do online java developer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for online java developer in Williamstown, NJ is $56.11, according to ZipRecruiter salary data. Most workers in this role earn between $48.51 and $62.79 per hour, depending on experience, location, and employer.

What is an online Java developer?

An Online Java Developer is a professional who designs, develops, and maintains Java-based applications while working remotely. They collaborate with teams using online tools, write clean and efficient code, and troubleshoot software issues. Their role may involve backend development, API integration, or full-stack development. Strong knowledge of Java frameworks like Spring, Hibernate, and cloud technologies is often required.

What does an online Java developer do?

As an Online Java Developer, your daily responsibilities often include designing, coding, and maintaining Java-based web applications, collaborating with cross-functional remote teams, reviewing code, and troubleshooting technical issues. You may participate in virtual stand-up meetings, contribute to project planning and sprint reviews, and conduct regular code testing to ensure high-quality deliverables. Communicating updates through project management tools and maintaining thorough documentation are essential parts of the workflow. This role requires balancing independent work with effective teamwork and adhering to project deadlines in a fully online environment.

What are the key skills and qualifications needed to thrive as an online Java developer?

To thrive as an Online Java Developer, you need a solid understanding of Java programming, object-oriented design principles, and web application development, usually demonstrated by a degree in computer science or relevant experience. Familiarity with frameworks like Spring or Hibernate, version control systems such as Git, and optionally certifications like Oracle Certified Professional Java Programmer are valuable assets. Strong problem-solving abilities, effective remote communication, and self-management skills set exceptional candidates apart. These competencies ensure quality code development, seamless collaboration, and the ability to deliver robust software solutions in an online or distributed work environment.

Are online Java developers still in demand?

Online Java developers remain in demand due to the widespread use of Java in enterprise applications, Android development, and cloud-based services. Skills in frameworks like Spring and knowledge of cloud platforms can enhance job prospects in this field.

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

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

Online Java Developer jobs near you

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

Re-posted 14 days ago

Job description

Overview
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.
Responsibilities
  • 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.

Qualifications
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.
EEO Statement
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
Salary
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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