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Volunteer Java Jobs in Alexandria, VA (NOW HIRING)

System One

Java Architect

Greenbelt, MD · Remote

$64.50 - $87/hr

Java Architect Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 180-190K Work ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Architect

Greenbelt, MD · Remote

$64.50 - $87/hr

Java Architect Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 180-190K Work ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Architect

Greenbelt, MD · Remote

$64.50 - $87/hr

Java Architect Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 180-190K Work ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Architect

Greenbelt, MD · Remote

$64.50 - $87/hr

Java Architect Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 180-190K Work ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

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 ...

Bridge Core (BCore)

Java Developer

Mclean, VA

$160K - $200K/yr

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

System One

Java Developer

Greenbelt, MD · Remote

$52.25 - $67.50/hr

Java Developer Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 120-190K (depends ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer

Greenbelt, MD · Remote

$52.25 - $67.50/hr

Java Developer Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 120-190K (depends ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer

Greenbelt, MD · Remote

$52.25 - $67.50/hr

Java Developer Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 120-190K (depends ... voluntary plans, as well as participation in a 401(k) plan. System One is an Equal Opportunity ...

System One

Java Developer

Greenbelt, MD · Remote

$52.25 - $67.50/hr

Java Developer Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 120-190K (depends ... 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 ...

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 ...

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 ...

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All JobsVolunteer Java JobsVolunteer Java Jobs in Alexandria, VA

Volunteer Java information

See Alexandria, VA salary details

$16

$60

$82

How much do volunteer java jobs pay per hour?

As of Aug 24, 2026, the average hourly pay for volunteer java in Alexandria, VA is $60.68, according to ZipRecruiter salary data. Most workers in this role earn between $52.50 and $67.93 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.

What are the most commonly searched types of Java jobs in Alexandria, VA?

The most popular types of Java jobs in Alexandria, VA are:

What are popular job titles related to Volunteer Java jobs in Alexandria, VA?

For Volunteer Java jobs in Alexandria, VA, the most frequently searched job titles are:

What job categories do people searching Volunteer Java jobs in Alexandria, VA look for?

The top searched job categories for Volunteer Java jobs in Alexandria, VA are:

What cities near Alexandria, VA are hiring for Volunteer Java jobs?

Cities near Alexandria, VA with the most Volunteer Java job openings:

Volunteer Java jobs near you
Infographic showing various Volunteer Java job openings in Alexandria, VA as of August 2026, with employment types broken down into 83% Full Time, 16% Part Time, and 1% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $126,223 per year, or $60.7 per hour.

Java Architect

System One

Greenbelt, MD • Remote

$64.50 - $87/hr

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 24 days ago

Job description

Job Title: Java Architect Location: Greenbelt, Maryland Type: Contract-to-Hire Compensation: 180-190K Work Model: Remote Security Clearance: Must have an active IRS MBI Clearance and current GFE

Responsibilities

  • Identify performance improvement opportunities within the Java code base, prototype alternatives, and assist in implementing proven solutions.
  • Create design documents for Java code that is currently written in IBM Assembler.
  • Review code for thread safety, code quality, and security violations.
  • Analyze and improve Spring Batch throughput.

Requirements

  • Bachelor's Degree and 12+ years of experience developing applications in Java
  • US Citizenship required
  • Must possess an active IRS MBI Clearance and have current GFE
  • Prior hands-on experience with Spring Batch and Spring Boot required
  • Experience with object-oriented and aspect-oriented design and development
  • Experience with JSON and Annotations
  • Prior experience running Java under Unix Systems Services a plus
  • Demonstrated ability to seek out information (proactive learning)
  • Ability to work both independently and as part of a larger team
  • Service Oriented Architecture (SOA)
  • Java Full Stack Development
  • Excellent oral and written communication skills with client stakeholders at all organizational and technical levels
  • Prior experience working on Agile teams

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-2 #LI-CK1 Ref: #851-Rockville-S1

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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

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