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Java Developer Volunteer Jobs in Pennsylvania (NOW HIRING)

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java Full Stack Developer

Pittsburgh, PA · On-site

$51 - $65.75/hr

Job Title: Sr. Java Full Stack Developer Location: Pittsburgh, Pennsylvania Type: Contract To Hire ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Sr.Java API Developer

Pittsburgh, PA · On-site

$170/hr

Java API Developer Location: Pittsburgh, Pennsylvania, United States Type: Direct Hire Compensation ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

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Showing results 1-20

All JobsJava Developer Volunteer JobsJava Developer Volunteer Jobs in Pennsylvania

Java Developer Volunteer information

See Pennsylvania salary details

$15

$56

$77

How much do java developer volunteer jobs pay per hour?

As of Aug 26, 2026, the average hourly pay for java developer volunteer in Pennsylvania is $56.83, according to ZipRecruiter salary data. Most workers in this role earn between $49.13 and $63.61 per hour, depending on experience, location, and employer.

What is a Java Developer Volunteer?

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 as a Java Developer Volunteer?

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.

Is 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.

What are the most commonly searched types of Java Developer jobs in Pennsylvania?

The most popular types of Java Developer jobs in Pennsylvania are:

What are popular job titles related to Java Developer Volunteer jobs in Pennsylvania?

For Java Developer Volunteer jobs in Pennsylvania, the most frequently searched job titles are:

What job categories do people searching Java Developer Volunteer jobs in Pennsylvania look for?

The top searched job categories for Java Developer Volunteer jobs in Pennsylvania are:

What cities in Pennsylvania are hiring for Java Developer Volunteer jobs?

Cities in Pennsylvania with the most Java Developer Volunteer job openings:

Java Developer Volunteer jobs near you
Infographic showing various Java Developer Volunteer job openings in Pennsylvania as of August 2026, with employment types broken down into 95% Full Time, and 5% Contract. Highlights an 79% In-person, 17% Hybrid, and 4% Remote job distribution, with an average salary of $118,214 per year, or $56.8 per hour.

Senior Java / Angular Application Developer

Twenty80 LLC

Richfield, PA • On-site

$51.75 - $66/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 19 days ago

Job description

Location: Richfield, Ohio
Work Arrangement: 100% Onsite
Experience: 8–12+ years

Position Overview

We are seeking a Senior Java Developer to join an enterprise application development team. This position will focus on designing, developing, testing, and maintaining web-based applications using Java, Spring, Angular, and related technologies.

The ideal candidate will have strong object-oriented programming skills, experience developing enterprise applications, and the ability to work independently while providing technical guidance to other team members.

Key Responsibilities
  • Design, develop, test, and maintain enterprise-level web applications.
  • Develop and maintain application components using Java, Spring, Angular, TypeScript, HTML5, and CSS.
  • Analyze technical issues, research solutions, and troubleshoot application problems.
  • Perform unit testing, integration testing, bug verification, and release support.
  • Participate in application design and technical solution development.
  • Work effectively in an Agile/Scrum development environment.
  • Assist with technical planning and provide input on development approaches.
  • Lead or coordinate development activities when needed.
  • Research and evaluate new technologies and development tools.
  • Work with internal and external stakeholders on technical discussions and demonstrations.
  • Provide technical guidance and mentoring to less-experienced developers.
  • Manage multiple priorities while maintaining quality and meeting project deadlines.
Required Qualifications
  • 8–12+ years of professional software development experience.
  • Strong experience with Java and enterprise-level web application development.
  • Hands-on experience with the Spring Framework.
  • Experience developing single-page applications using Angular.
  • Strong understanding of object-oriented programming and design patterns.
  • Experience with TypeScript, HTML5, and CSS.
  • Experience working with JSON and XML for data transfer and binding.
  • Ability to troubleshoot complex application issues and develop effective solutions.
  • Experience working in an Agile/Scrum environment.
  • Strong communication and collaboration skills.
Preferred Qualifications
  • Experience with UI component libraries such as PrimeNG.
  • Experience writing SQL queries.
  • Experience with PostgreSQL or similar relational databases.
  • Experience with Maven.
  • Experience with Jenkins/CI/CD tools.
  • Experience providing technical leadership or mentoring other developers.
Work Authorization

This is a 100% onsite position in Richfield, Ohio.

Candidates must be authorized to work in the United States without employer sponsorship and must meet the client's eligibility requirements, including U.S. citizenship or U.S. permanent residency (Green Card).

Benefits

The position offers a competitive benefits package that may include:

  • Medical, dental, and vision coverage
  • Life and disability insurance
  • 401(k) with employer matching
  • Employee assistance and wellness programs
  • Flexible spending accounts
  • Tuition assistance
  • Employee purchase/discount programs
  • Retirement planning resources
  • Additional voluntary benefit options

Benefits are subject to the employer's applicable plans and eligibility requirements.