ZipRecruiter

Log In

1

Volunteer Java Jobs (NOW HIRING)

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

Overture Partners

Full Stack Java

Boston, MA · On-site

$60 - $65/hr

We are seeking an experienced Java Developer to join a team building a modern, cloud-based ... of voluntary benefits including life and disability insurance, and sick time if required by law in ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

Talan Group

Java developer - E-Trading

Manhattan, NY · On-site

$100 - $125/hr

We are seeking a talented Full Stack Java Developer to join our team and work on a front office ... Voluntary STD and LTD All your information will be kept confidential according to EEO guidelines ...

Bridge Core (BCore)

Java Developer

Mclean, VA · On-site

$160K - $200K/yr

Overview Java Developer McLean, VA TS/SCI with Poly At Bcore, our strength comes from how we ... Benefits include Health/Dental/Vision, 401(k), Paid Time Off, STD/LTD/Life Insurance/Voluntary Life ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer (Secret Clearance)

Arlington, VA · On-site

$58.25 - $75.50/hr

Java Developer with OpenFGA experience Arlington, VA - hybrid (2 days a week onsite) Secret ... 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 ...

previous pagenext page

Showing results 21-40

All Jobsinternship JobsTechnology JobsVolunteer Java Jobs

Volunteer Java information

See salary details

$15

$56

$77

How much do volunteer java jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for volunteer java in the United States is $56.70, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.46 per hour, depending on experience, location, and employer.

What is a Volunteer Java?

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 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 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.

More about Volunteer Java jobs

What cities are hiring for Volunteer Java jobs?

Cities with the most Volunteer Java job openings:

What are the most commonly searched types of Java jobs?

The most popular types of Java jobs are:

What states have the most Volunteer Java jobs?

States with the most job openings for Volunteer Java jobs include:

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

The top searched job categories for Volunteer Java jobs are:

Volunteer Java jobs near you
Infographic showing various Volunteer Java job openings in the United States as of August 2026, with employment types broken down into 85% Full Time, and 15% Part Time. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $117,931 per year, or $56.7 per hour.

Java Developer - 100% REMOTE

System One

Vienna, VA • Remote

$52.25 - $67.50/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 17 days ago

Job description

Job Title: Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C

Responsibilities

  • Develop APIs using microservice architecture from scratch for various applications.
  • Utilize hands-on expertise in Java and related frameworks to build scalable solutions.
  • Design, develop, and maintain RESTful APIs for web development projects.
  • Perform debugging, testing, and troubleshooting to ensure high-quality deliverables.
  • Collaborate with cross-functional teams to meet project requirements and deadlines.
Requirements
  • 4+ years of experience as a Java Developer or similar role.
  • Proficiency in Java and related frameworks.
  • Experience with web development and RESTful API design.
  • Strong debugging and testing skills.
  • Excellent problem-solving skills and attention to detail.
  • Ability to work remotely and manage time effectively.

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.

#M1 #LI-CB3 Ref: #851-Rockville-S1

System One logo

About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

View All System One Jobs