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Junior Java Developer Jobs in Southampton, PA (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 ...

Java Developer

Ewing Township, NJ · On-site

$63 - $67/hr

Title: Developer-JAVA Location: Ewing TWP 08618 Duration: LongTerm Skills: Java SE / Java 17+ J2EE Spring Framework (Boot, Cloud, Security) Required 7+ Years REST API Development WebSphere ...

JAVA Developer

Philadelphia, PA

$51.50 - $66.50/hr

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 ...

Mentor junior developers and contribute to a culture of technical excellence within your scrum team ... Java monoliths and microservices with Spring and Hibernate. * Infrastructure as Code using ...

Mentor junior developers and contribute to a culture of technical excellence within your scrum team ... Java monoliths and microservices with Spring and Hibernate. * Infrastructure as Code using ...

Senior Java Developer

Camden, NJ · On-site

$145K - $165K/yr

Mentor junior developers and contribute to a culture of technical excellence within your scrum team ... Java monoliths and microservices with Spring and Hibernate. * Infrastructure as Code using ...

Java Developer

Malvern, PA · On-site

$50 - $64.75/hr

Position-Java Developer Duration-Contract Location- Malvern, PA 10 + Years JD * Java, Microservices, Spring boot, Angular, other UI technologies, AWS, Junit, Design Knowledge, Banking experience ...

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Junior Java Developer information

See Southampton, PA salary details

$58.8K

$103K

$155.3K

How much do junior java developer jobs pay per year?

As of Jun 10, 2026, the average yearly pay for junior java developer in Southampton, PA is $103,044.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,800.00 and $102,700.00 per year, depending on experience, location, and employer.

What is the difference between Junior Java Developer vs Java Developer?

AspectJunior Java DeveloperJava Developer
Required Experience0-2 years2+ years
CertificationsOptional, entry-level certificationsOptional, advanced certifications
Work EnvironmentSupportive, learning-focused teamsProject-driven, independent roles
ResponsibilitiesAssist in coding, bug fixing, learning frameworksDesign, develop, maintain Java applications

The main difference between a Junior Java Developer and a Java Developer lies in experience, responsibilities, and independence. Junior Java Developers are typically entry-level, focusing on learning and supporting tasks, while Java Developers have more experience and handle complex development projects independently.

What are Junior Java Developers?

Junior Java Developers are entry-level software engineers who specialize in building and maintaining applications using the Java programming language. They typically work under the supervision of more experienced developers and are responsible for writing code, debugging, and participating in code reviews. Their tasks may also include testing software, learning new frameworks, and assisting with the design and implementation of features. Junior Java Developers usually have foundational knowledge of Java and related technologies, and they are eager to develop their skills through hands-on experience.

What Does a Junior Java Developer Do?

Junior Java developers are entry-level programmers who are part of a team of coders and developers. They work on both front-end and back-end codes to build an application. Being a junior Java developer requires extensive knowledge of coding and the program language JavaScript to develop and troubleshoot products. As a junior Java developer, you run tests to pinpoint errors, migrate code and data, and ensure the program is integrated with other company developments.

What are some common challenges a Junior Java Developer might face during their first year, and how can they overcome them?

Junior Java Developers often encounter challenges such as understanding large codebases, adapting to agile development processes, and managing task priorities. To overcome these hurdles, it’s helpful to proactively seek mentorship from senior developers, regularly review documentation, and participate in code reviews. Effective communication with team members also accelerates learning and helps clarify requirements or technical uncertainties. Embracing continuous learning through online resources and hands-on projects will further strengthen your skills and confidence.

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

A Junior Java Developer should have a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by a relevant degree or coding bootcamp. Familiarity with tools such as IntelliJ IDEA or Eclipse, version control systems like Git, and frameworks like Spring Boot is typically expected. Strong problem-solving abilities, attention to detail, and effective teamwork are important soft skills in this role. These competencies enable efficient code development, smooth collaboration, and the ability to quickly adapt to new technologies and project requirements.

Will AI replace Java devs?

AI is unlikely to fully replace Java developers, as their role involves complex problem-solving, system design, and understanding business needs that AI cannot fully replicate. Instead, AI tools can assist Java developers by automating repetitive tasks and improving productivity, making their skills more valuable. Continuous learning and adapting to new technologies remain important for Java developers to stay relevant in the evolving tech landscape.
What job categories do people searching Junior Java Developer jobs in Southampton, PA look for? The top searched job categories for Junior Java Developer jobs in Southampton, PA are:
What cities near Southampton, PA are hiring for Junior Java Developer jobs? Cities near Southampton, PA with the most Junior Java Developer job openings:
JAVA Developer

JAVA Developer

Noblis

Philadelphia, PA • On-site

Full-time

Medical, Life, Retirement, PTO

Posted 25 days ago


Job description

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, 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.

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

#nowhiring
Overview
Overview
Noblis and our wholly owned subsidiaries, Noblis ESI and Noblis MSD, take on some of the nation's toughest challenges, delivering advanced solutions to our customers' most critical missions. We bring together leading scientific, engineering, and management expertise in a culture grounded in objectivity and collaboration, ensuring our work creates lasting impact across federal missions.
We work with a broad range of government agencies in the defense, intelligence, and federal civilian sectors. Learn more and find opportunities at careers.noblis.org
Why Work at Noblis
At Noblis, we share a passion for excellence and innovation, and we create an environment where people can do meaningful work while maintaining the balance that keeps them energized and fulfilled. We seek out individuals with a natural curiosity and desire to collaborate and learn. We believe our people are our greatest strength, and we consistently seek exceptionally skilled, mission-driven professionals who care deeply about doing work that enriches lives and makes our nation safer.
Noblis has earned numerous workplace awards for our culture, our commitment to employee well-being, and our dedication to meaningful, impactful work. We also maintain a drug-free workplace.
Remote/hybrid status is subject to change based on Noblis and/or government requirements.
Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.
If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us.
EEO is the Law | E-Verify | Right to Work
Total Rewards
At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work-life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits page on our Careers site.
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. The projected compensation range for this position is based on full time status. For part time or on-call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it's just one component of Noblis' total compensation package.
Posted Salary Range
USD $78,900.00 - USD $123,300.00 /Yr.