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Java Developer Java Jobs in Pennsylvania (NOW HIRING)

Responsibilities Noblis MSD is seeking a well-rounded JAVA Software Developer for the development and integration of PIMCS technology for onboard trainers. This is an onsite position in Philadelphia ...

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Junior Java Developer

Philadelphia, PA ยท On-site

$60K - $80K/yr

Junior Java Developer Location: Philadelphia, PA Job Type: Full-time Work Authorization: Visa Independent Only โ€ข Write Java code to develop new software applications. โ€ข Assist in creating and ...

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Solid understanding of web and mobile application architectures, including ...

Java Developer III

Philadelphia, PA ยท On-site

$51.50 - $66.50/hr

Java Developer III Location: Philadelphia, PA Must have Spring Boot/ Spring Security Qualifications The VOD DataMart (VDM) is a tool we are in the midst of building which will provide an end to end ...

Java Developer Contractor

Malvern, PA ยท On-site

$93K - $104K/yr

Senior Full-Stack Java Developer - Contract Role Overview We are seeking a highly accomplished and technically secure Senior Full-Stack Java Developer to join an enterprise project team on a contract ...

Senior Java Developer

Cork, KY ยท Remote

$57.50 - $73.50/hr

\n \n \n \n \n We have a unique opportunity in Cork (or remote) for a Senior Java Developer to join an expanding Software House, on a permanent basis. \n \n \n \n \n \n They have approximately 20 ...

Java Developer

Philadelphia, PA

$51.50 - $66.50/hr

Experience is expected in a variety of back- and front-end enterprise Java technologies - with a heavy emphasis in the early phase of the engagement on the User Interface development that requires ...

Lead Java Developer

Pittsburgh, PA ยท On-site

$110K - $120K/yr

Our challenge We are seeking a highly skilled and experienced Senior/Lead Java Developer to join our dynamic team. The ideal candidate will have a strong background in developing scalable, robust ...

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Java Developer Java information

What are Java Developers?

Java Developers are software professionals who design, develop, and maintain applications using the Java programming language. They work on a wide range of projects, from web and mobile applications to enterprise-level systems. Their responsibilities often include writing clean code, debugging, collaborating with other team members, and ensuring applications are secure and scalable. Java Developers are also expected to stay updated with the latest Java technologies and frameworks to deliver efficient solutions.

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

AspectJava Developer JavaJava Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science, Java certifications
Work EnvironmentDevelopment teams, tech companies, startupsDevelopment teams, tech companies, startups
Industry UsageSoftware development, web applications, enterprise solutionsSoftware development, web applications, enterprise solutions
Common Search IntentJob roles, skills, salary infoJob roles, skills, salary info

Java Developer Java and Java Software Engineer roles often overlap in skills and work environment. Both require similar credentials and are used interchangeably in the industry. The main difference lies in the job title emphasis: 'Developer' focuses on coding and building applications, while 'Software Engineer' may imply a broader scope including design and architecture. Candidates should review specific job descriptions to understand the expectations for each role.

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 programming skills in Java, a solid understanding of object-oriented design, and typically a degree in computer science or a related field. Familiarity with frameworks like Spring or Hibernate, version control systems such as Git, and build tools like Maven or Gradle is essential, and certifications like Oracle Certified Professional Java Programmer can be advantageous. Effective problem-solving, teamwork, and good communication skills help Java Developers excel in collaborative and dynamic environments. These technical and soft skills are crucial for building robust, maintainable software solutions that meet business requirements.

How does a Java Developer typically collaborate with other teams during the software development lifecycle?

Java Developers often work closely with cross-functional teams, including front-end developers, QA testers, project managers, and sometimes clients. They participate in code reviews, contribute to design discussions, and coordinate with DevOps professionals to ensure smooth deployment processes. Effective communication and teamwork are essential, as Java Developers must translate technical requirements, troubleshoot issues, and ensure their code integrates seamlessly with other system components. This collaborative environment not only enhances project outcomes but also provides opportunities to learn from different disciplines.
What are popular job titles related to Java Developer Java jobs in Pennsylvania? For Java Developer Java jobs in Pennsylvania, the most frequently searched job titles are:
What job categories do people searching Java Developer Java jobs in Pennsylvania look for? The top searched job categories for Java Developer Java jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for Java Developer Java jobs? Cities in Pennsylvania with the most Java Developer Java job openings:
Infographic showing various Java Developer Java job openings in Pennsylvania as of July 2026, with employment types broken down into 77% Full Time, 10% Part Time, 2% Temporary, 10% Contract, and 1% Nights. Highlights an 79% Physical, 6% Hybrid, and 15% Remote job distribution.

JAVA Developer - Philadelphia, PA

National Guard Employment Network

Philadelphia, PA โ€ข On-site

$75K - $100K/yr

Full-time

Re-posted 9 days ago


Job description


ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their open roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers. If you have the required skill set, education requirements, and experience, please click the submit button and follow the next steps.
Noblis MSD is seeking a well-rounded JAVA Software Developer for the development and integration of PIMCS technology for onboard trainers. This is an onsite position in Philadelphia, PA at the Naval Yard.
Noblis MSD's mission is to support the Naval Sea Systems Command (NAVSEA) and, Naval Surface Warfare Center (NSWCPD) and their missions' to enable research, development, test and evaluation, acquisition, engineering, systems integration, in-service and fleet engineering with cybersecurity, comprehensive logistics, and life-cycle savings.
Responsibilities:
Develop software requirements for Machinery Control Systems (MCS) based on the Naval Combatant Design Specification (NCDS), Design Practice Criteria (DPC) manuals, DoD and NAVSEA guidance, marine specifications, and commercial specifications as applicable.
Develop software integration designs for networking, supervisory control systems, and other test tools/systems developed inhouse.
Develop, maintain, configure, and manage software and hardware installation procedures, instructions, notices and Standard Operating Procedures.
Provide engineering services that include development and maintenance in support of hardware and software.
Analyze & decipherall automation testing pipelines and scripts from the Platform Independent Machinery Controls System (PIMCS) ecosystem in NSWCPD
Analyze & decipher all Jenkins pipelines.
Read, develop and decipher Jenkins continuous improvement and continuous deployment (CI/CD) pipelines.
Provide software lifecycle support following the NSWCPD Systems Engineering Process (SEP) with applicable Capability Maturity Model Integrated (CMMI) and Institute of Electrical and Electronics Engineers (IEEE) standards and specifications.
Additional Qualifications/Responsibilities
Required Qualifications
Bachelor's Degree in Computer, Electrical or Electronics Engineering, Computer Science or relevant STEM degree.
3 years of experience with Java programming.
Must be a US Citizen
Must have an Active Secret Security Clearance, or the ability to obtain one. Active clearance preferred.
Proficient in modular monolith architecture, understanding JPMS, classloader isolation, and dependency injection
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
This position is on-site at the Philadelphia Naval Yard.
Desired Qualifications
Experience containerizing large Java monoliths for Docker or RHEL 8/9
Experience with Java 17 to Java 25 migration (including records, sealed classes, and enhanced switch)
Knowledge of JGroups for distributed clustering in legacy Java
Leading or mentoring development teams through modernization efforts
Collaborating with cybersecurity, systems engineering, and testing teams
Participating in IV&V and FQT
Writing clear software design documents, ICDs, and release notes
Desired certifications: Linux or OS certification, CompTIA Security+, CISSP, Oracle Certified Professional: Java SE 17 Developer (OCPJP 17)
Must have good communication skills including communication with and with people with varying technical knowledge and various levels of management