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Senior Java Software Engineer Jobs in Ashburn, VA

System One

Java Software Engineer (Top Secret)

Herndon, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Developer Top Secret Clearance required Security+ certification is highly desired ... A senior engineer with broad or deep experience would be an excellent fit, but seniority alone is ...

Maxiom Technology

Senior Java Developer

Ashburn, VA

$58.50 - $74.75/hr

We are looking for a Senior Java Developer to manage the software development life cycle, from planning and prioritizing to testing and release and help with the migration of a COBOL app to Java.

System One

Java Software Engineer (Top Secret)

Herndon, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Developer Top Secret Clearance required Security+ certification is highly desired ... A senior engineer with broad or deep experience would be an excellent fit, but seniority alone is ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

KG Tiger

RESEARCH JAVA SOFTWARE ENGINEER

Bethesda, MD · On-site

$55.50 - $76/hr

The Research Java Software Engineer will support the National Institutes of Health (NIH). Qualifications Responsibilities: He or She will: Work closely with research staff to deliver the next ...

System One

Java Software Engineer III - 3 slots

Dunn Loring, VA · Remote

$53 - $72.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Software Engineer III - 3 slots Contractor Work Model: Remote - offsite Overview If interested ... Serve as a solutions provider to senior management and professional staff concerning areas of ...

Annexa Inc.

Senior Java Developer

Washington, DC · On-site

$64.75 - $82.75/hr

Senior Java Developer Employment Type: Onsite Annexa is currently working with DC Government ... Troubleshoot software and/or hardware issues/failures. * Manage problems or escalated tickets and ...

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All JobsJava Software Engineer JobsSenior Java Software Engineer JobsSenior Java Software Engineer Jobs in Ashburn, VA

Senior Java Software Engineer information

See Ashburn, VA salary details

$41.4K

$154.3K

$271K

How much do senior java software engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for senior java software engineer in Ashburn, VA is $154,339.00, according to ZipRecruiter salary data. Most workers in this role earn between $127,800.00 and $168,200.00 per year, depending on experience, location, and employer.

What does a senior Java software engineer do?

A Senior Java Software Engineer is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and collaborate with cross-functional teams to deliver high-quality software solutions. Their role includes analyzing user requirements, troubleshooting issues, optimizing code for performance, and ensuring best practices in software development. Senior Java engineers are also involved in code reviews and may contribute to architectural decisions within their organization.

What are the key skills and qualifications needed to thrive as a senior Java software engineer?

To thrive as a Senior Java Software Engineer, you need advanced proficiency in Java programming, software design principles, and a solid understanding of computer science fundamentals, often backed by a degree in computer science or a related field. Experience with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is typically required, along with knowledge of cloud platforms or containerization tools. Strong problem-solving abilities, effective communication, and leadership skills help you mentor team members and collaborate on complex projects. These competencies are crucial for delivering robust, scalable software solutions and leading development teams in dynamic environments.

What are some common challenges faced by senior Java software engineers when leading development projects?

Senior Java Software Engineers often encounter challenges such as balancing hands-on coding with leading and mentoring team members, managing tight project deadlines, and ensuring code quality across the team. They are also responsible for making key architectural decisions and integrating new technologies while maintaining system stability. Effective communication and collaboration with cross-functional teams, including QA, DevOps, and product managers, are essential to successfully deliver robust solutions.

What are popular job titles related to Senior Java Software Engineer jobs in Ashburn, VA?

For Senior Java Software Engineer jobs in Ashburn, VA, the most frequently searched job titles are:

What job categories do people searching Senior Java Software Engineer jobs in Ashburn, VA look for?

The top searched job categories for Senior Java Software Engineer jobs in Ashburn, VA are:

What cities near Ashburn, VA are hiring for Senior Java Software Engineer jobs?

Cities near Ashburn, VA with the most Senior Java Software Engineer job openings:

Senior Java Software Engineer jobs near you
Infographic showing various Senior Java Software Engineer job openings in Ashburn, VA as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 9% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $154,339 per year, or $74.2 per hour.

Java Software Engineer (Top Secret)

System One

Herndon, VA • Remote

$53 - $72.75/hr

Other

Medical, Dental, Vision, Life, Retirement

Re-posted 4 days ago

Job description

Java Software Developer Top Secret Clearance required Security+ certification is highly desired Direct Hire 100% Remote The specific platform knowledge (currently MuleSoft) can be learned. What cannot easily be taught is the engineering mindset and the ability to build high-quality software. While it is desirable for candidates to already possess Security+ certification and an active Top Secret clearance; our primary focus is on identifying exceptional software developers. What We're Looking For: We are looking for someone who has consistently demonstrated excellence as a software developer—someone whose peers and leaders recognize them for delivering high-quality work. The ideal candidate has an engineering temperament: the ability to understand complex systems, reduce complexity through thoughtful design, and express that clarity through well-crafted code and architecture. They should possess a builder's mindset—a belief that they can create solutions to difficult problems, a desire to build things well, and the initiative to improve systems without waiting to be asked. We value developers who thrive in collaborative environments, enjoy challenging one another to improve, and are committed to delivering results. We are looking for someone who takes ownership, contributes beyond the minimum expectations, and is invested in the success of the team. Technical Background: No specific programming language or platform is more important than demonstrated engineering capability. However, experience in the following areas would reduce the learning curve: • Java • Linux • Networking • MuleSoft (preferred, but not a primary hiring criterion) • MuleSoft experience is a plus, but we are intentionally hiring for software engineering talent rather than platform specialization. A great developer can learn MuleSoft; the reverse is not always true. Experience: • We want to see evidence of candidates building meaningful software components or systems and consistently going above and beyond in their projects. • A senior engineer with broad or deep experience would be an excellent fit, but seniority alone is not the deciding factor. A junior developer who demonstrates exceptional aptitude, initiative, and the potential to grow into a highly capable senior engineer is equally compelling. • Finally, candidates who bring unexpected strengths—whether in systems engineering, performance optimization, security, infrastructure, automation, or another technical discipline—are especially attractive. We value people who can surprise us with capabilities that make the entire team stronger.

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-VH1 Ref: #851-Rockville-S1