Explore 9 java application developer jobs from 3 hiring companies in Stanley, VA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

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Java Application Developer

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Java Application Developer Jobs

Booz Allen Hamilton

VMD Corp

Onsite

Hybrid

ECS is seeking a Web Application Developer Senior to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
Responsible for designing, testing, and developing well designed web based software coding that is testable, and efficient by using best software development practices to meet user’s needs; recommending software upgrades for current and future systems; as well as translating the User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing; and documenting every aspect of the application, service or environment as a reference for future maintenance and upgrades.

Web Application Developer Senior

Bachelor's degree; TS/SCI clearance; 2+ years in AWS/C#/Java/Python; web app development.

ECS is seeking a Web Application Developer Mid to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
Responsible for designing, testing, and developing well designed web based software coding that is testable, and efficient by using best software development practices to meet user’s needs; recommending software upgrades for current and future systems; as well as translating the User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing; and documenting every aspect of the application, service or environment as a reference for future maintenance and upgrades.

Web Application Developer Mid

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

ECS is seeking a Web Application Developer SME to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
Responsible for designing, testing, and developing well designed web based software coding that is testable, and efficient by using best software development practices to meet user’s needs; recommending software upgrades for current and future systems; as well as translating the User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing; and documenting every aspect of the application, service or environment as a reference for future maintenance and upgrades.

Web Application Developer SME

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

ECS is seeking a Data Engineer Senior to work in our Winchester, VA office.  Please Note: This position is contingent upon contract award.
 
Responsible for carrying out engineering tasks to deliver an advanced visual analytic application to include: developing data analytics for desktop and web-developed visual analytic software; facilitating the bulk analysis of relational information utilizing advanced graphics, visualization, and high-performance computing, as well as using the specified open source, COTS, and GOTS technologies; and establishing an application that produces manageable, actionable intelligence from streams of a structured and semi-structured data.

Data Engineer Senior

Senior data engineer with Java and Python experience; develop data analytics and visual analytics applications using open source, COTS, and GOTS technologies.

Description <div>Web Application Developer - TS</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>Location: </div><div>Winchester, VA (full time on client site)</div><div> </div><div>Clearance</div><div>Active Top Secret</div><div> </div><div>Responsibilities:</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> </div><div>Minimum Requirements:</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>Preferred Qualifications:</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>About Xcelerate Solutions: 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>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. 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.</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.

Data Engineer, SeniorThe Opportunity:Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there’s more structured and unstructured data available today than ever before. As a data engineer, you know that organizing data can yield pivotal insights when it’s gathered from disparate sources. We need an experienced data engineer like you to help our clients find answers in their data to impact important missions—from fraud detection to cancer research to national intelligence.As a Data Engineer at Booz Allen, you’ll help build advanced technology solutions and implement data engineering activities on some of the most mission-driven projects in the industry. You’ll deploy and develop pipelines and platforms that organize and make disparate data meaningful. Here, you’ll work with and guide a multi-disciplinary team of analysts, data engineers, developers, and data consumers in a fast-paced, agile environment. You’ll use your experience in analytical exploration and data examination while you manage the assessment, design, building, and maintenance of scalable platforms for your clients. Work with us to use data for good.Join us. The world can’t wait. You Have: <ul><li>5&#43; years of experience in application development  </li><li>5&#43; years of experience designing, developing, operationalizing, and maintaining complex data applications at enterprise scale </li><li>3&#43; years of experience creating software for retrieving, parsing, and processing structured and unstructured data </li><li>3&#43; years of experience building scalable ETL/ELT workflows for reporting and analytics </li><li>Experience creating solutions within a collaborative, cross-functional team environment </li><li>Ability to develop scripts and programs for converting various types of data into usable formats and support project team to scale, monitor, and operate data platforms</li><li>TS/SCI clearance with a polygraph</li><li>Bachelor’s degree</li></ul>Nice If You Have:<ul><li>Experience with Python, SQL, Scala, or Java </li><li>Experience with UNIX or Linux, including basic commands and Shell scripting </li><li>Experience with a public cloud, including AWS, Microsoft Azure, or Google Cloud </li><li>Experience with distributed data or computing tools, including Spark, Databricks, Hadoop, Hive, AWS EMR, or Kafka </li><li>Experience working on real-time data and streaming applications  </li><li>Experience with NoSQL implementation, including MongoDB or Cassandra </li><li>Experience with data warehousing using AWS Redshift, MySQL, or Snowflake  </li><li>Experience with Agile engineering practices </li></ul>Clearance:  Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.CompensationAt Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,500.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.Identity StatementAs part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.Candidate AI Usage PolicyAI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided. Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.<ul><li>Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.</li><li>Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.</li><li>Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.</li></ul>Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Data Engineer, Senior

Data Engineer

5+ years in application development and data engineering; 3+ years building ETL/ELT; TS/SCI with polygraph; Bachelor’s degree.

Data Engineer, SeniorThe Opportunity:
Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there’s more structured and unstructured data available today than ever before. As a data engineer, you know that organizing data can yield pivotal insights when it’s gathered from disparate sources. We need an experienced data engineer like you to help our clients find answers in their data to impact important missions—from fraud detection to cancer research to national intelligence.

As a Data Engineer at Booz Allen, you’ll help build advanced technology solutions and implement data engineering activities on some of the most mission-driven projects in the industry. You’ll deploy and develop pipelines and platforms that organize and make disparate data meaningful. 

Here, you’ll work with and guide a multi-disciplinary team of analysts, data engineers, developers, and data consumers in a fast-paced, agile environment. You’ll use your experience in analytical exploration and data examination while you manage the assessment, design, building, and maintenance of scalable platforms for your clients. 

Work with us to use data for good.

Join us. The world can’t wait. 

You Have: 
5+ years of experience in application development  

5+ years of experience designing, developing, operationalizing, and maintaining complex data applications at enterprise scale 

3+ years of experience creating software for retrieving, parsing, and processing structured and unstructured data 

3+ years of experience building scalable ETL/ELT workflows for reporting and analytics 

Experience creating solutions within a collaborative, cross-functional team environment 

Ability to develop scripts and programs for converting various types of data into usable formats and support project team to scale, monitor, and operate data platforms

TS/SCI clearance with a polygraph

Bachelor’s degree

Nice If You Have:
Experience with Python, SQL, Scala, or Java 

Experience with UNIX or Linux, including basic commands and Shell scripting 

Experience with a public cloud, including AWS, Microsoft Azure, or Google Cloud 

Experience with distributed data or computing tools, including Spark, Databricks, Hadoop, Hive, AWS EMR, or Kafka 

Experience working on real-time data and streaming applications  

Experience with NoSQL implementation, including MongoDB or Cassandra 

Experience with data warehousing using AWS Redshift, MySQL, or Snowflake  

Experience with Agile engineering practices 

Clearance:  
Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required.

Compensation
At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen’s benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,500.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen’s total compensation package for employees. This posting will close within 90 days from the Posting Date.
Identity Statement
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy
AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.
Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination
All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

5+ years in data applications, ETL/ELT, and unstructured data processing; TS/SCI with polygraph; Bachelor's degree.

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