ZipRecruiter

Log In

1

Java Developer Volunteer Jobs in Philadelphia, PA

Genesis10

Python Dev with Agentic AI

Pennington, NJ · On-site

$55.06 - $63.06/hr

Strong Experience as a Java Architect * Strong proficiency in Java programming and related ... Voluntary Hospital Indemnity (Critical Illness & Accident) * Voluntary Term Life Insurance * 401K

New

Genesis10

Solution Architect

Pennington, NJ

$63.24 - $71.24/hr

Strong Experience as a Java Architect * Strong proficiency in Java programming and related ... Voluntary Hospital Indemnity (Critical Illness & Accident) * Voluntary Term Life Insurance * 401K

New

SEI Investments

Software Engineer II

Oaks, PA · Hybrid

... with Java, Java Script, HTML, JSPs; with MVC frameworks Spring; working on multi-tiered ... ORM tools (Hibernate, JPA); and DevOps toolsets for versioning, containers, such as Git, Docker ...

New

Nasdaq

Software Engineer, Sr Specialist

Philadelphia, PA · On-site

$123.60K - $163K/yr

Strong proficiency in Java programming and object-oriented design principles. * Proven ability to ... Company gift matching program, Employee resource groups, Paid volunteer days * Grow Career:

Morgan Properties

Data Engineer

Conshohocken, PA · On-site

$100K - $120K/yr

The ideal candidate is proficient in programming languages such as Python, Java, or Scala, and has ... Volunteer & Community Service Opportunities * Discount on an apartment at any one of our properties

Nasdaq

Software Engineer, Sr Specialist

Philadelphia, PA · Hybrid

$123.60K - $163K/yr

Strong proficiency in Java programming and object-oriented design principles. * Proven ability to ... Company gift matching program, Employee resource groups, Paid volunteer days * Grow Career:

TEKsystems

SDET

Philadelphia, PA · Hybrid

$60 - $65/hr

... for JAVA middleware development REST Json Jenkins Splunk Swagger - Define and execute relevant ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

TEKsystems

SDET

Philadelphia, PA · Hybrid

$60 - $65/hr

... for JAVA middleware development REST Json Jenkins Splunk Swagger - Define and execute relevant ... Insurance (Voluntary Life & AD&D for the employee and dependents) • Short and long-term ...

Genesis10

Application Programmer

Pennington, NJ

$58.26 - $66.26/hr

... Python or Java. Responsibilities: * Responsible for setting up AI orchestration systems for a ... Voluntary Hospital Indemnity (Critical Illness & Accident) * Voluntary Term Life Insurance * 401K

next page

Showing results 1-20

People also search for

All JobsJava Developer Volunteer JobsJava Developer Volunteer Jobs in Philadelphia, PA

Java Developer Volunteer information

See Philadelphia, PA salary details

$15

$57

$78

How much do java developer volunteer jobs pay per hour?

As of May 29, 2026, the average hourly pay for java developer volunteer in Philadelphia, PA is $57.21, according to ZipRecruiter salary data. Most workers in this role earn between $49.47 and $64.04 per hour, depending on experience, location, and employer.

What is a Java Developer Volunteer job?

A Java Developer Volunteer role involves contributing to software development projects without financial compensation. Volunteers typically assist in coding, debugging, testing, and maintaining Java-based applications for nonprofits, open-source projects, or startups. This role helps developers gain experience, build portfolios, and support meaningful initiatives while collaborating with teams.

What are the key skills and qualifications needed to thrive in the Java Developer Volunteer position, and why are they important?

To excel as a Java Developer Volunteer, you should have a solid grasp of Java programming, object-oriented design, and version control systems, often demonstrated through coursework, certifications, or hands-on project experience. Familiarity with tools like Eclipse or IntelliJ IDEA, build systems (Maven or Gradle), and collaborative platforms such as GitHub is commonly expected. Strong communication, teamwork, and a willingness to learn set exceptional volunteers apart. These skills and qualities ensure you can contribute effectively to projects, adapt to dynamic team needs, and make the most meaningful impact in volunteer settings.

What types of projects or tasks can I expect to work on as a Java Developer Volunteer?

As a Java Developer Volunteer, you might work on a range of projects, such as developing new software features, fixing bugs, writing unit tests, or helping maintain existing Java applications for nonprofits or community organizations. You could also assist in documentation, code reviews, or collaborating on open-source initiatives, depending on the organization's needs. These roles often provide exposure to agile development practices and teamwork with other engineers, designers, and project managers. Volunteering in this capacity not only helps worthwhile causes but also allows you to expand your portfolio and gain practical experience with real-world applications.
More about Java Developer Volunteer jobs
What are the most commonly searched types of Java Developer jobs in Philadelphia, PA? The most popular types of Java Developer jobs in Philadelphia, PA are:
What are popular job titles related to Java Developer Volunteer jobs in Philadelphia, PA? For Java Developer Volunteer jobs in Philadelphia, PA, the most frequently searched job titles are:
What job categories do people searching Java Developer Volunteer jobs in Philadelphia, PA look for? The top searched job categories for Java Developer Volunteer jobs in Philadelphia, PA are:
Java Developer Volunteer jobs near you
Java Full stack with React Developer

Java Full stack with React Developer

Genesis10

Pennington, NJ • On-site

$55.06 - $63.06/hr

Other

Medical, Dental, Vision, Life, Retirement

Posted 2 days ago

Job description

Genesis10 is currently seeking a Senior Java Full Stack Developer with React for a contract position with a Global Financial Institution located in Pennington, NJ. This is a 12+ month contract opportunity.
This role focuses on designing and implementing scalable, high-performance backend systems within an enterprise environment. The ideal candidate will architect and build event-driven systems using Java, Spring Boot, and Kafka, with a strong focus on microservices architecture, system reliability, and maintainability. The position involves providing technical leadership and mentorship to development teams while collaborating with product managers and architects to deliver robust solutions.
Responsibilities:
  • Design and implement scalable, high-performance backend systems using Java and Spring Boot
  • Architect and build event-driven systems using Kafka
  • Design microservices architecture and ensure system scalability, reliability, and maintainability
  • Lead technical solution design and architecture discussions
  • Develop robust APIs and backend services for enterprise applications
  • Optimize database interactions and schema design using Oracle
  • Provide technical leadership and mentorship to development teams
  • Ensure coding standards, design patterns, and best practices are followed
  • Collaborate with product managers, architects, and stakeholders to translate requirements into technical solutions
  • Conduct code reviews, performance tuning, and system optimization
  • Troubleshoot complex production issues and implement long-term fixes

Requirements:
  • 10 years of experience in backend development with Java
  • Strong expertise in Spring Boot and microservices architecture
  • Hands-on experience with Apache Kafka for building event-driven systems
  • Strong experience with Oracle databases, including performance tuning and query optimization
  • Deep understanding of distributed systems and system design
  • Experience designing high-availability, scalable enterprise systems
  • Strong knowledge of REST APIs, messaging systems, and asynchronous processing
  • Experience with system architecture, design patterns, and software engineering best practices
  • Excellent problem-solving and debugging skills
  • Strong communication and technical leadership skills

Desired skills:
  • Experience with cloud platforms (AWS / Azure / Google Cloud Platform)
  • Knowledge of Docker and Kubernetes
  • Experience with CI/CD pipelines and DevOps practices
  • Experience working in large-scale enterprise or fintech systems

Pay range: $55.06 - $63.06 per hour
Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.
If you have the described qualifications and are interested in this exciting opportunity, please apply!
Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.
For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:
  • Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.
  • The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
  • Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
  • Behavioral Health Platform
  • Medical, Dental, Vision
  • Health Savings Account
  • Voluntary Hospital Indemnity (Critical Illness & Accident)
  • Voluntary Term Life Insurance
  • 401K
  • Sick Pay (for applicable states/municipalities)
  • Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.
Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
Genesis10 logo

About Genesis10

Sourced by ZipRecruiter

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

New York, NY, US

Year founded

1999

View All Genesis10 Jobs

Apply