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System One

60 System One Java Developer Jobs Hiring in VA

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

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 ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

System One

Sr Java Full Stack Developer

Reston, VA · On-site

$97/hr

SR JAVA FULL STACK DEVELOPER (AWS / EKS / Angular) Location: Hybrid -- Reston, VA (20190) (90 ... System One not only serves as a valued partner for our clients, but we offer eligible employees ...

System One

Senior Backend Developer

Merrifield, VA · On-site

$120K - $156K/yr

Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

System One

Senior Backend Developer

Merrifield, VA · On-site

$120K - $156K/yr

Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL ... System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering ...

System One

Backend Java Developer (hybrid)

Vienna, VA · On-site

$50.75 - $65.75/hr

... systems, and cloud-native applications. • Deep understanding of what makes solutions scalable ... one another. • We believe innovation comes from curiosity, collaboration, and continuous ...

System One

Backend Java Developer (hybrid)

Vienna, VA · On-site

$50.75 - $65.75/hr

Experience working with APIs, microservices, distributed systems, and cloud-native applications ... one another. * We believe innovation comes from curiosity, collaboration, and continuous ...

System One

Backend Java Developer (hybrid)

Vienna, VA · On-site

$50.75 - $65.75/hr

Experience working with APIs, microservices, distributed systems, and cloud-native applications ... one another. * We believe innovation comes from curiosity, collaboration, and continuous ...

System One

Backend Java Developer (hybrid)

Vienna, VA · On-site

$50.75 - $65.75/hr

Experience working with APIs, microservices, distributed systems, and cloud-native applications ... one another. * We believe innovation comes from curiosity, collaboration, and continuous ...

System One

Backend Java Developer (hybrid)

Vienna, VA · On-site

$50.75 - $65.75/hr

Experience working with APIs, microservices, distributed systems, and cloud-native applications ... one another. * We believe innovation comes from curiosity, collaboration, and continuous ...

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System One Jobs Information

What is it like to work at System One?

System One is a professional services company that values collaboration, innovation, and a client-centric approach, fostering a dynamic and supportive work environment.

The company's team structure is designed to facilitate knowledge sharing and expertise exchange, with a flat organizational hierarchy that encourages open communication and cross-functional collaboration. System One's mission is to deliver high-quality solutions to its clients through a network of experienced professionals and cutting-edge technologies.

Working at System One may appeal to candidates who are looking for a challenging and rewarding career in a fast-paced, client-driven industry, with opportunities for professional growth and development in a collaborative and dynamic work environment.

What makes System One an attractive place to work?

System One is a leading provider of workforce solutions and staffing services, known for its expertise in delivering high-quality talent to various industries. The company's workplace is characterized by a culture of innovation, collaboration, and flexibility, offering employees opportunities to work on diverse projects and develop their skills in a dynamic environment. By joining System One, professionals can expect to contribute to the growth and success of a forward-thinking organization, with opportunities for career advancement and professional development in a rapidly evolving industry.

What are the most popular jobs at System One in Virginia?

What are the most popular states for System One Java Developer Jobs?

Infographic showing various Java Developer job openings at System One in Virginia as of August 2026, with employment types broken down into 37% Full Time, 1% Part Time, and 62% Contract. Highlights an 98% Physical, and 2% Remote job distribution.

Java Developer - 100% REMOTE

System One Holdings, LLC

Vienna, VA • On-site, Remote

$40 - $60/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted yesterday

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.
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About System One

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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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