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Volunteer Java Jobs in Pennsylvania (NOW HIRING)

System One

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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

Java API Tech Lead

Pittsburgh, PA · On-site

$70 - $10K/hr

Job Title: Java API Tech Lead 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 ...

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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Volunteer Java information

See Pennsylvania salary details

$15

$56

$77

How much do volunteer java jobs pay per hour?

As of Jul 13, 2026, the average hourly pay for volunteer java 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 are the key skills and qualifications needed to thrive in the Volunteer Java position, and why are they important?

To thrive as a Volunteer Java developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development practices, often demonstrated through coursework, self-study, or project experience. Familiarity with systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and participation in code collaboration platforms like GitHub is advantageous. Excellent communication, teamwork, and time management skills help you contribute effectively to projects and adapt to a volunteer-driven workflow. These skills are crucial for delivering high-quality code, collaborating within diverse teams, and ensuring the success of community-driven or non-profit software initiatives.

What kind of projects might I work on as a Volunteer Java developer?

As a Volunteer Java developer, you'll typically work on software projects that support non-profit organizations, educational programs, or open-source initiatives. Projects might include building and maintaining web applications, automating processes for nonprofits, or contributing to digital tools used by community groups. You may collaborate with other volunteers, designers, and project managers in a remote or hybrid team environment. This experience offers the chance to strengthen your technical skills, expand your professional network, and make a positive impact while learning to navigate real-world software development challenges.

What is a Volunteer Java job?

A Volunteer Java job is an unpaid role where individuals contribute their Java programming skills to support a project, organization, or community initiative. Volunteers may help with coding, debugging, testing, or improving software applications. These roles are typically found in non-profits, open-source projects, or educational initiatives. It’s a great opportunity to gain hands-on experience, expand your portfolio, and contribute to meaningful projects while improving Java skills.

What are the most commonly searched types of Java jobs in Pennsylvania? The most popular types of Java jobs in Pennsylvania are:
What are popular job titles related to Volunteer Java jobs in Pennsylvania? For Volunteer Java jobs in Pennsylvania, the most frequently searched job titles are:
What job categories do people searching Volunteer Java jobs in Pennsylvania look for? The top searched job categories for Volunteer Java jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for Volunteer Java jobs? Cities in Pennsylvania with the most Volunteer Java job openings:
Volunteer Java jobs near you
Java API Tech Lead

Java API Tech Lead

System One

Pittsburgh, PA • On-site

$70 - $10K/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 14 days ago

Job description

Job Title: Java API Tech Lead Location: Pittsburgh, Pennsylvania Type: Contract To Hire Compensation: $70.00 - $10,000.00 Work Model: Onsite – onsite Hours: 40.0 Security Clearance: Not specified

Overview Leave placeholder text here for recruiter to input

Responsibilities

  • Drive the design, development, and delivery of scalable, high-performance web applications using Java, microservices architecture, and modern frontend frameworks.
  • Provide technical leadership and hands-on development expertise in Java, Spring Boot, and frontend technologies like Angular or React.
  • Develop and design RESTful APIs and microservices for enterprise applications.
  • Collaborate with cross-functional team members and stakeholders to ensure high-quality solution delivery.
  • Mentor team members to build scalable, maintainable, and high-quality code.
  • Implement best practices in CI/CD, security, and performance optimization.
  • Lead architecture and roadmap discussions for backend and frontend systems.
  • Ensure thorough testing, automation, and defect resolution across the stack.
  • Oversee integration and ensure seamless end-to-end system functionality.
Requirements
  • 8–12 years of experience developing enterprise applications with Java / J2EE / Spring ecosystem.
  • Strong experience in full stack development, including backend (Java, Spring Boot) and frontend (Angular, React, or similar frameworks).
  • Proficiency in designing RESTful APIs and microservices architectures.
  • Experience with modern UI technologies such as Angular (2+), React, or Vue.js, along with HTML5, CSS3, and JavaScript/TypeScript.
  • Hands-on experience with containerization (Docker), Kubernetes, and cloud platforms (AWS/Azure/GCP).
  • Knowledge of event-driven architecture using Kafka or similar systems.
  • Experience with databases such as Oracle, SQL Server, or MongoDB.
  • Familiarity with CI/CD pipelines and DevOps practices.
  • Strong understanding of application security, OAuth/JWT, and secure coding practices.
  • Proven leadership, mentoring, and team collaboration skills in Agile environments.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.#M-#LI-

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