153 Results for

Contract Developer Jobs in Arlington, VA

Jobs

Arlington, VA

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Bachelor's degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master's degree preferred. This position serves as a technical leader in the modernization of legacy DoD systems, providing advanced expertise in cloud-native development, architecture design, and team leadership.

11 days ago

Tysons Corner, VA

strong>To learn more about life at Sky Solutions, visit our Careers page:

30+ days ago

$138,000–$152,000 / year

p>This role requires a hands-on developer who thrives in an Agile environment, contributes high-quality production code, participates in code reviews, and collaborates closely with product owners, analysts, and engineering teams to deliver secure, scalable, and maintainable software solutions.

The MIL Corporation is seeking a Senior Full Stack Software Developer (Developer, Senior Associate) to support the design, development, enhancement, and maintenance of mission-critical web applications and cloud-hosted services.

8 days ago

Tysons Corner, VA

Remote

strong>To learn more about life at Sky Solutions, visit our Careers page:

30+ days ago

Leesburg, PA

Remote

p style="margin-bottom:6pt;line-height:normal;margin-top:0px">These roles are well suited for technically inclined backend developers who are strong in Java, comfortable with secure enterprise systems, and able to collaborate across DevOps, cloud, and data engineering functions.

· Strong backend development expertise, including application design, performance tuning, troubleshooting, and maintainability.

30 days ago

Bethesda, Maryland

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CACI is seeking a highly motivated Senior Software Developer to support an Intelligence Community (IC) customer focused on improving cross IC code sharing and enterprise software efficiency.

Pay Range:

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.

5 days ago

Reston, VA
$87,100–$157,450 / year
Significant experience dealing with at least two of the following data classes: open source, publicly available information (PAI); forensic media (i.e., DOMEX); measurement and signatures intelligence (MASINT); or cybersecurity and cyber forensics. Responsibilities Include: Work closely with a tight-knit team of software developers, data scientists, network engineers, senior investigators, program managers, researchers, and data analysts to create and maintain mission applications.
30+ days ago

New
Bethesda, Maryland
p>Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. CACI is seeking a highly motivated and independent Software Developer to support an Intelligence Community (IC) customer focused on improving cross IC code sharing and enterprise software efficiency.
3 days ago

Sterling, Virginia
p>Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Job Title: Full Stack Software Developer - Early Career
Job Category: Engineering.
30+ days ago

Chantilly, Virginia
p>Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
We value team members who strive to produce high quality work through collaboration with team members and customers while making a difference through individual contributions to ensure project success for our team and our customers.
30+ days ago

Mclean, Virginia
p>Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Bring your expertise and sense of urgency to a team performing mission critical work.
11 days ago

Chantilly, VA
p>SAIC - Software Developer in Chantilly, Virginia, United States Join our Talent Network >Talent Network Alumni Connect Current Employees Events Featured Locations Chantilly Charleston Colorado Springs Crane El Segundo Fort Meade Hampton Roads Hawaii Huntsville Reston San Diego Southern Maryland St. Louis Washington DC View All Locations Career Fields Business Management Cyber Cloud Data Science DevSecOps Electrical Engineering Mechanical Engineering Network Engineering Software Engineering Systems Engineering Technical Support View All Career Fields View All Jobs Candidate Resources Chantilly Charleston Colorado Springs Crane El Segundo Fort Meade Hampton Roads Hawaii Huntsville Reston San Diego Southern Maryland St. Louis Washington DC View All Locations Business Management Cyber Cloud Data Science DevSecOps Electrical Engineering Mechanical Engineering Network Engineering Software Engineering Systems Engineering Technical Support View All Career Fields.
ERROR Invalid launcher labelkey Back to Search Results >Previous Opportunity >Next Opportunity >Software Developer Job ID: T2510071 Location: Chantilly, VA, United States Date Posted: Mar 8, 2026 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI_w/Poly Clearance Level: Must Be Able to Obtain None Potential for Remote Work: On-Site Benefits: Click here Share mail Apply Now >Apply Now >.
30+ days ago

Arlington, VA
Experienced in designing, implementing, and analyzing simulations involving extensive datasets, ensuring efficient data processing and accurate modeling outcomes. · Knowledge and experience with relational databases such as Oracle, MySQL, PostgreSQL, MariaDB, Microsoft SQL Server.
30+ days ago

New
Arlington, VA
p>The Junior .NET Developer will work as part of an Agile development team, collaborating with software developers, business analysts, database administrators, systems engineers, cybersecurity personnel, and government stakeholders to deliver secure, scalable, and user-focused solutions. The selected candidate will support the development, enhancement, testing, deployment, and maintenance of mission-critical business applications that support ONR's research, financial management, business operations, and enterprise modernization initiatives.
2 days ago

Annapolis Junction, Maryland
Several factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications.
Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021!.
12 days ago

New
Port Tobacco, MD
$92,090–$135,000 / year
Education: A Bachelor of Science (BS) degree from an accredited college or university in an engineering, scientific, or technical discipline is required Compensation:
Compensation at SimVentions is determined by a number of factors, including, but not limited to, the candidate's experience, education, training, security clearance, work location, skills, knowledge, and competencies, as well as alignment with our corporate compensation plan and contract specific requirements. We are actively seeking a highly skilled and motivated Senior Software Developer to support development and integration of Government-owned and contractor-developed software aboard Unmanned Surface Vessels (USVs).
Today

DC
$175,000–$185,000 / year
p>The Software Developer SME will also contribute to National Security Business Unit growth by shaping application modernization roadmaps, advising on emerging mission needs, supporting proposal and capture solutioning, identifying new technical service areas, and helping position the account for expanded software engineering and mission application support.
We are seeking a cleared Software Developer SME to provide expert-level software development, architecture, modernization, and technical leadership for complex mission applications supporting classified and sensitive law enforcement, national security, and criminal justice programs within the National Security Business Unit.
18 days ago

Chantilly, Virginia
p>Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. You can learn more about our program by accessing the landing page: VORPAL Careers | CACI Careers.
30 days ago

Ashburn, Virginia
Remote
p>• Collaborate with agency legacy system administrators to understand custom configurations, interfaces, and data dependencies that affect extraction scope and sequencing • Develop data reconciliation procedures that compare legacy system record counts and key data elements against extraction outputs to ensure zero data loss during migration . You will work directly with agency legacy system databases, developing SQL/PL-SQL extraction programs, SQR reports, PeopleSoft Application Engine processes, and EBS concurrent programs that reliably extract complete employee records for conversion.
10 days ago

Fort Belvoir, VA
Full time
The Junior Software Developer supports the design, development, and delivery of data analysis tools, collaboration systems, and visualizations that address real‑world operational needs and capability gaps for government customers. Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences.
30+ days ago

Fort Belvoir, VA
Full time
The Journeyman Software Developer supports the design, development, and delivery of data analysis tools, collaboration systems, and visualizations that address real‑world operational needs and capability gaps for government customers. Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences.
30+ days ago

Fort Belvoir, VA
Full time
The Senior Software Developer supports the design, development, and delivery of data analysis tools, collaboration systems, and visualizations that address real‑world operational needs and capability gaps for government customers. Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences.
30+ days ago

DC
$145,000–$155,000 / year
The Senior Software Developer will serve as a senior technical contributor responsible for full-lifecycle software development, database and API integration, Agile delivery, secure coding, production support, release preparation, documentation, and modernization of mission-focused applications.
The Senior Software Developer will also mentor team members and support National Security Business Unit growth by identifying new application features, workflow enhancements, integration opportunities, technical debt reduction areas, and automation ideas that align with mission needs.
18 days ago

New
McLean, Virginia
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Join our Talent Community to stay up to date on our career opportunities and events at.
Total Rewards at GDIT:.
3 days ago

Reston, VA
Remote
div>Software Developer (Microservices) (Remote): Description: The Microservices Developer will be responsible for designing, building, and maintaining scalable backend services that power the platform's RESTful APIs. This role involves developing production-grade microservices using Java 21 and Java 25, implementing clean and consistent API contracts, and ensuring secure, reliable integration with internal and external systems.
8 days ago

Laurel, Maryland
We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat..
The role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks.
30+ days ago

Suitland, MD
$113,200–$237,800 / year
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 25% Type of Travel: Outside Continental US.
30+ days ago

Ashburn, Virginia
Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.
Join our Talent Community to stay up to date on our career opportunities and events at.
Total Rewards at GDIT:.
12 days ago

Fort Belvoir, VA
$148,300–$266,900 / year
p>What You'll Be Doing:
Developing penetration testing / red team operations capabilities to help validate the security of our nation's most critical systems, including performing reverse engineering, vulnerability research, and exploit development. To learn more about recruitment fraud and how to report it, please refer to https://www.parsons.com/fraudulent-recruitment/.
30+ days ago

New
Tysons, VA
$98,700–$120,300
Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
5 days ago

New
Tysons, VA
$123,100–$149,800
Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
5 days ago

Tysons, VA
$90,000–$135,000
If your background aligns with our anticipated needs, a member of our Talent Acquisition team may reach out should a role become available or to proactively screen you for the role.. Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities.
30+ days ago

Tysons, VA
$123,100–$149,800
Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
30+ days ago

Tysons, VA
$148,000–$179,000
Our values are centered around leading with integrity, owning the outcome, growing together, and moving with purpose in everything we do for our employees, customers, partners, and communities. A motivated and qualified candidate will not only have hands-on development experience in (JavaScript, Python or Java) but also a willingness to collaborate with teams to solve problems.
30+ days ago

New
Tysons, VA
$148,000–$179,000
The SeniorAI/ML Software Developer will work alongside a team of highly skilled engineers in the development of AI applications.
We are looking for a dynamic SeniorAI/ML Software Developer with an active Secret Clearance to join our team.
5 days ago

New
Mclean, VA
$74.65–$74.65 / hour
The developer will be involved in developing and enhancing core features of the forecasting engines to improve model accuracy, performance, and scalability, as well as providing support for critical quarterly/yearly production runs used in financial reporting to ensure the integrity, accuracy, and timeliness of outputs.
Diagnose and resolve defects, reduce technical debt, and drive continuous improvements to ensure alignment with software engineering best practices.
5 days ago

Washington, DC
Remote
Effective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Expereience with test automation in unit tests, functional tests, regression tests and performance tests.
30+ days ago

Gaithersburg, MD
$87,100–$157,450 / year
What You'll Do Design, develop, and maintain microservices-based applications using modern software engineering best practices Collaborate with product owners, architects, and engineers in an Agile/SAFe environment Participate in sprint planning, daily standups, reviews, and retrospectives Collaborate with systems engineering and program teams to translate requirements into working software solutions Develop clean, maintainable, and testable code following CI/CD and DevSecOps practices Contribute to system design discussions and technical decision-making Integrate services with databases, messaging systems, and external APIs Support troubleshooting, performance tuning, and continuous improvement Work closely with QA, DevOps, and platform teams to ensure reliable delivery Implement modern automated testing strategies, including unit, integration, contract, and end-to-end testing Use AI-assisted development tools to accelerate coding, refactoring, debugging, and test creation Core Technical Qualifications: Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent experience) 4+ years of relevant experience or a Master's Degree and 2+ years of relevant experience Hands-on experience building and supporting microservices-based systems Proficiency in at least one modern programming language (e.g., Java, Python, C++, or similar on a Linux-based system) Experience or exposure to AI/ML-enabled systems (Claude-Code), automation, or intelligent platforms. Experience working in Agile environments Understanding of APIs and distributed system concepts Ability to obtain and maintain a Public Trust U.S. citizenship required Successful completion of background investigations as required by the government customer Preferred / Desired Qualifications Experience with Git-based version control and CI/CD pipelines Familiarity with Scaled Agile Framework (SAFe) Experience working with relational and/or NoSQL databases Hands-on experience with Kafka or other event-streaming technologies Cloud experience (AWS, Azure, or GCP) Containerization and orchestration experience (Docker, Kubernetes) Experience working in DevSecOps environments * Experience with test automation frameworks and integration of automated test suites into CI/CD pipelines Why Leidos?
30+ days ago

Hanover, Maryland
May substitute four years' experience in lieu of a Bachelor's Degree.
• FSP Required
• Twenty (20) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity.
• Experience with a mix of programming languages desired, preferably java and/or c++ development in an enterprise setting.
Internal Notes

The software engineer should have experience with enterprise backend development (preferably, with java), interfacing with a database, and some experience passing objects between programming layers using google protobuf, rpc, or a vartion thereof.

30+ days ago

Gaithersburg, MD
$69,550–$125,725 / year
As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
30+ days ago

DC
Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.\n \n#javelin\n \nCompensation Details:\n \nUS:$100,000 - $115,000\n \nThe compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. The entire section leverages agile and works to provide enhanced reporting and global searching capabilities to facilitate task management, cross-utilization, and address national intelligence priorities while protecting confidential data and sources.\n \nThe Software Developer is a part of a team that will lead large-scale data analysis projects to design and deliver on premises and cloud-based applications.
30+ days ago

DC
Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.\n \n#javelin\n \nCompensation Details:\n \nUS:$100,00 - $115,000\n \nThe compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. The entire section leverages agile and works to provide enhanced reporting and global searching capabilities to facilitate task management, cross-utilization, and address national intelligence priorities while protecting confidential data and sources.\n \nThe Software Developer is a part of a team that will lead large-scale data analysis projects to design and deliver on premises and cloud-based applications.
30+ days ago

Laurel, Maryland
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We are seeking a React Software Developer for one of our PRIME CONTRACTS that offers exciting opportunities to support essential services and mission critical activities across the enterprise and the opportunity to Telework one day a week! As soon as an employee enters a customer facility, they touch one of these applications which are critical to the daily functions of thousands of users across acquisition, business, finance, HR, training, recruitment, program management, security, logistics and more.
16 days ago

Arlington, VA
Bachelor''s degree in Computer Science, Software Engineering, Information Technology, Cybersecurity, Data Science, Information Systems, or related technical field from an ABET accredited or CAE designated institution; Master''s degree preferred. This position serves as a technical leader in the modernization of legacy DoD systems, providing advanced expertise in cloud-native development, architecture design, and team leadership.
24 days ago

DC
p>This role requires a hands-on developer with experience building or maintaining software applications, working in Agile teams, using source control, supporting integration activities, and communicating clearly across technical teams. This position will work closely with senior developers, product owners, business analysts, QA engineers, cybersecurity teams, DevSecOps personnel, and customer stakeholders to deliver software aligned with mission needs and technical requirements.
16 days ago

New
Washington, Washington, DC
Responsibilities:
Application Development and Feature Delivery: Design, develop, test, and deploy new features and enhancements across front-end (ReactJS) and back-end (Python/FastAPI) layers of enterprise applications. Overview:
The Full Stack Software Developer will be responsible for providing professional software development services to support the design, development, testing, and maintenance of web applications and supporting backend services.
5 days ago

McLean, Virginia
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Freedom Technology Solutions Group seeks dynamic and curious Software Developers to support the O&M, Integration and development of Government geospatial data mapping and visualization infrastructure and applications.
Leveraging available computing resources to handle very large geospatial datasets, creating efficiencies in data management including data deduplication and reduction, streamlining geospatial data processing, and scaling processes from regional to global .
16 days ago

Annapolis Junction, Maryland
$148,000–$151,000 / year

b>REQUIRED QUALIFICATIONS:

Bachelor’s degree in a relevant technical discipline from an accredited college or university is required PLUS Four (4) years of experience with front end web development in programs and contracts of similar scope, type, and complexity is required. Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data..

17 days ago

68 Alco Place, MD

We want someone who will sit in the office, learn our business end‑to‑end, understand how our systems are actually used by real people, and help us build, fix, and improve internal platforms that drive operations. -You’ll work hands‑on with leadership, operations, and technical systems—and you’ll be expected to suggest better solutions, not just follow tickets.

30+ days ago

Annapolis Junction, Maryland

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We are seeking a Junior Software Developer for one of our PRIME CONTRACTS and offers exciting opportunities to support essential services and mission critical activities across the enterprise. These applications are used across the government enterprise and are critical to the daily functions of thousands of users across acquisition, business, finance, HR, training, recruitment, program management, security, logistics and more.

16 days ago

Contract Developer Jobs in Arlington, VA

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Contract Developer Jobs in Arlington, VA

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Software Developer (Java) - Application Developer Sky Solutions

Senior Full Stack Software Developer (Developer, Senior Associate) The Mil Corp

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Software Developer - Mid Leidos Holdings Inc

Software Developer CACI

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.NET Software Developer, Junior The Informatics Applications Group Inc

Junior Software Developer Belay Technologies

Mid-to-Senior Software Developer SimVentions, Inc - Glassdoor 4.6

Lead Software Developer SME ECS Federal LLC

Cybersecurity Software Developer CACI

Legacy Modernization Software Developer CACI

Junior Software Developer Applied Research Associates, Inc

Journeyman Software Developer Applied Research Associates, Inc

Senior Software Developer Applied Research Associates, Inc

Senior Software Developer Top Secret Cleared ECS Federal LLC

Software Developer (Java) - TS/SCI w/Poly GD Information Technology

Software Developer (Microservices) PlanIT Group

Principal Software Engineer (AI - Assisted Developer Tooling) GliaCell Technologies

Senior Software Developer - Full Stack CACI International Inc

Jr Java / Angular Software Developer - DHS or CBP public trust preferred GD Information Technology

Red Team Software Developer Parsons Corp

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Senior Full Stack Developer ICONMA, LLC

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Lead AI Software Developer Leidos Holdings Inc

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AI Software Developer Leidos Holdings Inc

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