Explore 12 software java engineer jobs from 4 hiring companies in Moorefield, WV, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Software Java Engineer

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Software Java Engineer Jobs

VMD Corp

ManTech

Redhorse

Onsite

<div><b>About the Organization</b></div><div>Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We’re looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets.</div><div><br></div><div><strong>About the Role</strong><br>Redhorse transforms the way government uses data and technology. To support this mission, we are seeking a Software Developer / Subject Matter Expert to join a high-performing Agile team dedicated to the FBI’s mission-critical vetting systems. In this role, you will be a key contributor to an ecosystem of over 30 microservices, participating in the full Software Development Life Cycle (SDLC) from user story creation to final deployment in Top Secret production environments. As a Subject Matter Expert (SME), you will serve as a technical lead for development staff, collaborating directly with architects to ensure the system remains scalable, secure, and resilient in support of national security.</div><br/><br/><div><strong>About the Role</strong><br>Redhorse transforms the way government uses data and technology. To support this mission, we are seeking a Software Developer / Subject Matter Expert to join a high-performing Agile team dedicated to the FBI&rsquo;s mission-critical vetting systems. In this role, you will be a key contributor to an ecosystem of over 30 microservices, participating in the full Software Development Life Cycle (SDLC) from user story creation to final deployment in Top Secret production environments. As a Subject Matter Expert (SME), you will serve as a technical lead for development staff, collaborating directly with architects to ensure the system remains scalable, secure, and resilient in support of national security.</div><br/><br/>About the Role
Redhorse transforms the way government uses data and technology. To support this mission, we are seeking a Software Developer / Subject Matter Expert to join a high-performing Agile team dedicated to the FBI’s mission-critical vetting systems. In this role, you will be a key contributor to an ecosystem of over 30 microservices, participating in the full Software Development Life Cycle (SDLC) from user story creation to final deployment in Top Secret production environments. As a Subject Matter Expert (SME), you will serve as a technical lead for development staff, collaborating directly with architects to ensure the system remains scalable, secure, and resilient in support of national security.
<br/><br/><b>Key Responsibilities</b><br/><div>
<ul style="list-style-type: disc;">
<li>Design, develop, and maintain scalable microservices to support the FBI’s critical vetting and screening missions.</li>
<li>Lead the full Software Development Life Cycle (SDLC), including requirements gathering, user story creation, and production deployment.</li>
<li>Implement and champion Test-Driven Development (TDD) and Behavior-Driven Development (BDD) to ensure high code quality.</li>
<li>Architect and manage containerized applications using Docker and Kubernetes within high-security cloud environments.</li>
<li>Serve as the technical lead for development staff, providing mentorship and performing peer-level code reviews.</li>
<li>Collaborate closely with system architects to define technical strategies and ensure alignment with enterprise goals.</li>
<li>Deploy and troubleshoot applications within Top Secret production environments, ensuring zero-downtime availability.</li>

</ul></div><br/><br/><b>Required Experience/Clearance</b><br/><div>
<ul style="list-style-type: disc;">
<li>Active U.S. Government Top Secret security clearance with SCI eligibility.</li>
<li>5+ years of professional software development experience.</li>
<li>High proficiency in at least one of the following languages: C#, Java, or Python.</li>
<li>Proven experience designing and implementing scalable microservices architectures.</li>
<li>Hands-on experience with containerization and orchestration tools, specifically Docker and Kubernetes.</li>
<li>Demonstrated experience applying TDD and BDD methodologies in an Agile environment.</li>

</ul></div><br/><br/><div><b>Equal Opportunity Employer/Veterans/Disabled&nbsp;</b></div><div>&nbsp;</div><div><u>Accommodations:</u></div><div>If you are a qualified individual with a disability or a disabled veteran, you may request a reasonable accommodation if you are unable or limited in your ability to access job openings or apply for a job on this site as a result of your disability. You can request reasonable accommodations by contacting Talent Acquisition at&nbsp;Talent-Acquisition@redhorsecorp.com</div><div>&nbsp;</div><div>Redhorse Corporation shall, in its discretion, modify or adjust the position to meet Redhorse’s changing needs.</div><div>This job description is not a contract and may be adjusted as deemed appropriate in Redhorse’s sole discretion.</div>

Software Developer

5+ years software development; Top Secret/SCI-friendly clearance; proficient in C#, Java, or Python; experience with microservices, Docker, Kubernetes; use of TDD/BDD in Agile.

<p><b>Description</b> </p> <div><div><b>Software Developer – TS </b></div><div> </div><div>Xcelerate Solutions is seeking an experienced Software Developer. As a Software Developer, you will play a pivotal role supporting our federal client as our team designs, architects and implements a secure application development environment (ADV) specifically engineered to accelerate the Scaled Agile Framework (SAFe) transformation. This environment will integrate automated security controls directly into the client’s Continuous Delivery Pipeline and prioritize developer productivity and autonomy as well as enable Zero Trust architecture that scales across distributed teams without compromising the Lean-Agile mindset. Come join our award-winning organization and work with the most talented and brightest minds in the GovCon industry.</div><div> </div><div><b>Location:</b></div><div>Winchester, VA (full time on client site)</div><div> </div><div><b>Clearance:</b></div><div>Active Top Secret</div><div><b> </b></div><div><b>Responsibilities: </b></div><ul><li>Responsible for the design, development, testing and management of application development projects in support of IT infrastructure to include integration of third party components, introduction of new custom capabilities, modification of existing code, process improvement recommendations, and automation of operations and maintenance tasks.</li><li>Develop and implement technical efforts to design, build and deploy applications at the direction of lead architects, including large scale processing, computationally intensive statistical modeling, and advanced analytics.</li><li>Participate in all aspects of the software development lifecycle for all solutions, including planning, requirements, development, testing and quality assurance.</li><li>Participate in technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer.</li><li>Provide technical leadership to development staff along with peer level interaction with project managers and architects. </li></ul><div><b> </b></div><div><b>Minimum Requirements:</b></div><ul><li>Bachelor’s Degree applicable field of study</li><li>Experience in one of the following:</li><ul><li>AWS Cloud based solutions</li><li>C#</li><li>Java</li><li>Python</li></ul><li>Experience developing software in an Agile or SAFe environment.</li><li>Strong understanding of object‑oriented programming, design patterns, and modern development practices.</li><li>Ability to write clean, maintainable, and testable code.</li><li>Experience with version control systems (Git, GitHub, GitLab, or Azure DevOps).</li><li>Ability to troubleshoot complex issues across development, test, and production environments.</li></ul><div> </div><div><b>Preferred Qualifications:</b></div><ul><li>Current SAFe Software Engineer (ASE) Certification</li><li>Experience supporting federal systems, ATO processes, or compliance frameworks</li><li>Familiarity with FedRAMP, NIST 800‑53, or Zero Trust principles</li><li>Cloud or security certifications such as:</li><ul><li>AWS Developer or Solutions Architect</li><li>Azure Developer Associate</li><li>Security+ or equivalent</li></ul></ul><div> </div><div><b> </b></div><div><b>About Xcelerate Solutions:</b><br />Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions (www.xceleratesolutions.com) is one of America's fastest-growing companies. Xcelerate’s culture is defined by our diversified workforce of dynamic and versatile professionals, supported with growth and development opportunities that contribute to individual and company growth. This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Come find out why Xcelerate Solutions is one of the DC Metro top employers!</div><div></div><div><i>Xcelerate Solutions is an Equal Employment Opportunity/Affirmative Action Employer.  We evaluate qualified applicants without regard to race, color, national origin, religion, age, equal pay, disability, veteran status, sex, sexual orientation, gender identity, genetic information, or expression of another protected characteristic. As part of this commitment to the full inclusion of all qualified individuals, Xcelerate provides reasonable accommodations if needed because of an applicant's or an employee's disability.</i><br /><br /><i>Pay Transparency Notice: Xcelerate Solutions will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.</i></div></div>

Software Developer - Top Secret

Develop and maintain software in an Agile/SAFe environment; AWS/C#/Java/Python experience; secure federal systems; strong OO design and version control.

<p><b>Description</b> </p> <div><b>Web Application Developer - TS</b></div><div> </div><div>Xcelerate Solutions is currently seeking an experience Web Application Developer. As a Web Application Developer, you will play a pivotal role supporting our federal client as our team designs, architects and implements a secure application development environment (ADV) specifically engineered to accelerate the Scaled Agile Framework (SAFe) transformation. This environment will integrate automated security controls directly into the client’s Continuous Delivery Pipeline and prioritize developer productivity and autonomy as well as enable Zero Trust architecture that scales across distributed teams without compromising the Lean-Agile mindset. Come join our award-winning organization and work with the most talented and brightest minds in the GovCon industry. </div><div> </div><div><b>Location: </b></div><div>Winchester, VA (full time on client site)</div><div> </div><div><b>Clearance</b></div><div>Active Top Secret</div><div><b> </b></div><div><b>Responsibilities:</b></div><ul><li>Design, develop, test, and maintain well‑structured, efficient, and secure web‑based applications using modern development practices.</li><li>Translate UI/UX wireframes, prototypes, and design concepts into responsive, accessible, and user‑friendly web interfaces.</li><li>Recommend software upgrades, modernization opportunities, and improvements for current and future systems.</li><li>Ensure application functionality, performance, and security through ongoing maintenance, testing, and optimization.</li><li>Document application architecture, APIs, workflows, and configuration details to support future maintenance and enhancements.</li><li>Collaborate with cross‑functional teams—including architects, developers, testers, and security engineers—to ensure alignment with enterprise standards and mission needs.</li><li>Participate in Agile ceremonies and contribute to backlog refinement, sprint planning, and iterative delivery.</li><li>Troubleshoot complex issues across development, test, and production environments, identifying root causes and implementing corrective actions.</li><li>Integrate automated security controls and testing into the development workflow to support DevSecOps practices.</li><li>Develop reusable components, libraries, and patterns that support scalable, cloud‑native web applications.</li></ul><div><b> </b></div><div><b>Minimum Requirements:</b></div><ul><li>Bachelor’s Degree applicable field of study</li><li>Experience in one of the following:</li><ul><li>AWS Cloud based solutions</li><li>C#</li><li>Java</li><li>Python</li></ul><li>Experience developing software in an Agile or SAFe environment.</li><li>Strong understanding of object‑oriented programming, design patterns, and modern development practices.</li><li>Ability to write clean, maintainable, and testable code.</li><li>Ability to troubleshoot complex issues across development, test, and production environments.</li></ul><div> </div><div><b>Preferred Qualifications:</b></div><ul><li>Experience supporting federal systems, ATO processes, or compliance frameworks</li><li>Familiarity with FedRAMP, NIST 800‑53, or Zero Trust principles</li></ul><div> </div><div><b>About Xcelerate Solutions:</b><br />Founded in 2009 and headquartered in McLean, VA, Xcelerate Solutions (www.xceleratesolutions.com) is one of America's fastest-growing companies. Xcelerate’s culture is defined by our diversified workforce of dynamic and versatile professionals, supported with growth and development opportunities that contribute to individual and company growth. This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Come find out why Xcelerate Solutions is one of the DC Metro top employers!</div><div><i>Xcelerate Solutions is an Equal Employment Opportunity/Affirmative Action Employer.  We evaluate qualified applicants without regard to race, color, national origin, religion, age, equal pay, disability, veteran status, sex, sexual orientation, gender identity, genetic information, or expression of another protected characteristic. As part of this commitment to the full inclusion of all qualified individuals, Xcelerate provides reasonable accommodations if needed because of an applicant's or an employee's disability.</i><br /><br /><i>Pay Transparency Notice: Xcelerate Solutions will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant.</i></div>

Web Application Developer - Top Secret

Web Application Developer

Bachelor’s degree; experience in AWS, C#, Java, or Python; SAFe/Agile; OO programming; secure DevSecOps.

<p><span>ECS is seeking a <em><strong>Software Developer Senior</strong><strong> </strong></em>to work in our <strong><em>Winchester, VA </em></strong>office. </span><span> </span><strong><u><span>Please Note:</span></u></strong><strong><span> This position is contingent upon contract award.</span></strong></p>
<p> </p>
<p>Responsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. This includes the programmatic integration of third-party components, the introduction of new custom capabilities, modification of existing code, process improvement recommendation, and automation of operations and maintenance tasks. Develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics. Participate in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance. Duties include technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer. Provides technical lead of development staff, along with peer level interaction with project managers and architects.</p>

Software Developer Senior

Bachelor's degree; TS/SCI clearance; 4+ years in AWS, C#, Java, or Python.

<p><span>ECS is seeking a <em><strong>Software Developer Mid </strong></em>to work in our <strong><em>Winchester, VA </em></strong>office. </span><span> </span><strong><u><span>Please Note:</span></u></strong><strong><span> This position is contingent upon contract award.</span></strong></p>
<p> </p>
<p>Responsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. This includes the programmatic integration of third-party components, the introduction of new custom capabilities, modification of existing code, process improvement recommendation, and automation of operations and maintenance tasks. Develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics. Participate in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance. Duties include technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer. Provides technical lead of development staff, along with peer level interaction with project managers and architects.</p>

Software Developer Mid

Bachelor's degree; TS/SCI clearance; 2+ years in AWS, C#, Java, or Python.

<p><span>ECS is seeking a <em><strong>Software Developer SME</strong><strong> </strong></em>to work in our <strong><em>Winchester, VA </em></strong>office. </span><span> </span><strong><u><span>Please Note:</span></u></strong><strong><span> This position is contingent upon contract award.</span></strong></p>
<p> </p>
<p>Responsible for the design, development, testing, and management of the application development projects in support of IT infrastructure. This includes the programmatic integration of third-party components, the introduction of new custom capabilities, modification of existing code, process improvement recommendation, and automation of operations and maintenance tasks. Develop and implement technical efforts to design, build, and deploy applications at the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics. Participate in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance. Duties include technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer. Provides technical lead of development staff, along with peer level interaction with project managers and architects.</p>

Software Developer SME

Bachelor's degree; TS/SCI clearance; 6+ years in AWS, C#, Java, or Python.

<p><span>ECS is seeking a <strong><em>Dev Ops Engineer Senior </em></strong>to work in our <strong><em>Winchester, VA </em></strong>office. </span><span> </span><strong><u><span>Please Note:</span></u></strong><strong><span> This position is contingent upon contract award.</span></strong></p>
<p> </p>
<p>ECS is seeking a TS-cleared a DevOps Engineer to support one of our mission critical programs for the Department of Justice. We offer the chance to support the world’s finest law enforcement organization and help the people that keep us safe. In this job you will support agents, analysts, and professionals and the technology they use to fight terrorism, espionage, cyber-attacks, and major criminal threats.</p>
<p> </p>
<p>We are seeking candidates committed to high quality to provide courteous and accurate technical information. As a DevOps Engineer, you will collaborate with customers, often engaging directly with non-technical personnel, to understand their mission related needs, suggest solutions, and complete work in a timely manner.</p>
<p> </p>
<p>Responsibilities:</p>
<ul>
<li>Design, develop, and maintain a DevOps environment to support the automation and deployment of mission-critical applications.</li>
<li>Implement infrastructure and automate application development and deployment processes.</li>
<li>Implement and maintain CI/CD pipelines for efficient and automated delivery of applications.</li>
<li>Automate and enhance workflows around build, test, and deployment of applications.</li>
<li>Manage and maintain infrastructure.</li>
</ul>

Dev Ops Engineer Senior

Bachelor’s in CS/engineering; TS SCI; 8+ years DevOps/infrastructure automation; AWS; CI/CD; Docker/Kubernetes; Ansible, Terraform; Python/Java; full lifecycle engineering.

MANTECH seeks a motivated, career and customer-oriented Back-End Developer to join our team in Springfield, VA.
 
The Back-End Developer will lead the design, implementation, and maintenance of server-side logic, APIs, and system integration for technical applications. You will help ensure back-end components meet technical requirements and security standards while supporting overall mission objectives.
 
Responsibilities include but are not limited to:
Designing, developing, and maintaining server-side applications and APIs.
Building and managing databases while ensuring data integrity and security.
Integrating with authentication systems and security frameworks to meet all requirements.
Writing clean, efficient, and well-documented code for systems and interfaces.
Implementing security controls and maintaining a robust library of technical documentation.
Collaborating with developers and stakeholders to ensure seamless system integration.
Providing technical leadership and mentoring to junior developers to drive the technical agenda.
 
Minimum Qualifications:
Bachelor's degree in Computer Science or related field with 8+ years of experience in back-end development.
Expertise in back-end programming languages such as Python, Java, C#, Ruby, or Node.js.
Strong understanding of SQL and NoSQL database technologies and optimization techniques.
Experience with API design and development, including REST or GraphQL.
Proficiency with cloud platforms and containerization technologies like Docker and Kubernetes.
Knowledge of server-side frameworks and security best practices for classified environments.
Knowledge of database design and optimization techniques
Experience with authentication and authorization systems
 
Preferred Qualifications:
Experience working with classified systems and meeting complex security requirements.
Expertise in designing microservices architectures and using message brokers like Kafka.
Proficiency with Infrastructure as Code (IaC) tools such as Terraform or Ansible.
Experience with serverless computing and high-performance data processing.
 
Clearance Requirements:
An active TS/SCI with the ability to obtain and maintain a polygraph.
 
Physical Requirements:
The person in this position must be able to remain in a stationary position 50% of the time.
You will need to occasionally move about inside the office to access file cabinets and office machinery.
You must be able to exchange accurate information when frequently communicating with co-workers and management.

Back End Developer

Bachelor's degree in Computer Science or related field with 8+ years of back-end experience; strong proficiency in Python, Java, C#, Ruby, or Node.js; SQL/NoSQL databases; API design (REST/GraphQL); cloud and containers (Docker/Kubernetes); security best practices for classified environments.

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