1,357 Results for

Contract Developer Jobs in Mclean, VA

Jobs

New!

Washington, DC5 days ago

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.

New!

Reston, VA5 days ago

Effective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Experience with test automation in unit tests, functional tests, regression tests and performance tests.

New!

Washington, DC5 days ago

ServiceNow Application Development experience in two or more of the following areas: • Hands-on experience configuring and developing in ServiceNow, including form and field creation/updates (backend and/or Studio), Client Scripts, Business Rules, Catalog Items and scripting, group and role administration, flows (Flow Designer), notifications, email configuration, and scheduled jobs. ServiceNow Developer (Remote): Description: • ServiceNow Software Developer with minimum 4 years development experience in ServiceNow, • required CSA Admin certification, • strong oral and written communication skills and ability to leverage AI in their daily work.

New!

Vienna, VA2 days ago

Temporary
Contractor
Full-time

Deep expertise in Azure-native architectures: Azure Function Apps (isolated worker model), Azure SQL, Azure Service Bus, Azure AD / MSAL (OAuth2/OIDC). Architect real-time subsystems: SignalR hub for check-weigher events, Azure Service Bus Premium queuing for NAV output posting, and retry/dead-letter strategies.

Gaithersburg, MD13 days ago

$69,550–$125,725

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. 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.

New!

Washington, DC4 days ago

Remote

$90.94–$90.94 Per Hour

Work at the direction of the program manager to support the full lifecycle development of custom Oracle Applications, primarily using the Oracle APEX toolset. Provide support with PL/SQL, Java, Windows PowerShell, and Unix shell scripting with familiarity with built-in PLSQL packages and procedures.

New!

Washington, DC4 days ago

$89.50–$110 Per Hour

Gaithersburg, MD13 days ago

$87,100–$157,450

Reston, VA13 days ago

$87,100–$157,450

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. 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.

New!

Fort Meade, MD3 days ago

$90–$90 Per Hour

Identify trends and find patterns in unstructured and semi-structured customer data that can be used to create a more positive customer experience and increase overall network performance. Design and build ServiceNow Applications and integrations to other applications and platforms, including architecture, languages, best practices, and methodologies in an Agile Scrum environment.

Odenton, MD9 days ago

$87,100–$157,450

As a key Agile scrum team member, the candidate will collaborate closely with software developers, systems engineers, network engineers, operations personnel, and partner scrum teams to deliver scalable and resilient integration, monitoring, and observability solutions supporting enterprise operational users and mission requirements. The selected candidate will serve as a hands-on developer focused on building, integrating, troubleshooting, and sustaining enterprise monitoring and data pipeline solutions leveraging the Elastic Stack (ELK) and Confluent Kafka platforms.

Leesburg, VA11 days ago

$70–$90 Per Hour

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Configure and customize ServiceNow including UI policies, business rules, client scripts, flows, catalog items, and update sets.

Merrifield, VA9 days ago

$48–$48 Per Hour

Seeking knowledge of Adobe Target, Adobe Analytics, taxonomy, digital asset management, content management systems (CMS), search engine optimization (SEO), and online/digital metrics using industry best practices. Collaborate with Marketing and Digital staff and other internal business units/vendors to ensure timely/accurate implementation of digital content enhancements/requirements to support business needs and member experience.

Vienna, VA26 days ago

Full-time
Employee

The ideal candidate will have a passion for technology, a strong desire to learn, and the ability to work collaboratively with our experienced development team. This internship provides an excellent opportunity for hands-on experience in software development within the context of government projects.

Washington, DC18 days ago

$60–$62 Per Hour
Full-time
Employee

The Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11). The developer collaborates closely with designers, content teams, product owners, and IT leadership to deliver modern, accessible, and high‑performing web solutions.

New!

Reston, VA6 days ago

Remote

A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; Able to perform all functional duties independently; Experience training/mentoring less experienced personnel; Experience authoring or contributing to software-related documentation such as requirements specifications, design documents, technical manuals, and user manuals; Excellent communication skills. Expertise in Struts , Spring MVC, Git Bash, Java25, WebSphere , Tomcat, GitHub , GitHub Copilot, VersionOne , JUnit, JDBC, Maven ,ALM, UFT.

New!

Stafford, VA2 days ago

Full-time
Employee

We are looking for team members who share our values of: Integrity to do the right thing even when it hurts; Commitment to the long-term success and happiness of our customers, our people, and our partners; Courage to take on difficult challenges, accept new ideas, and accept incremental failure; and the constant pursuit of Excellence. Candidate will join a team of engineers, scientists, and domain experts taking this long-standing, successful project to the next level by implementing new features, improving automation, and incorporating DevOps and Agile practices.

Washington, DC13 days ago

$140,000–$180,000 Per Year

This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers.

Washington, DC18 days ago

Full-time
Employee

The Expert ETL Developer serves as a senior technical contributor responsible for designing, developing, implementing, refining, and supporting complex ETL pipelines, data integration workflows, and transformation logic in support of enterprise reporting, analytics, and operational decision-making. This position works closely with Data Analysts, Power BI Developers, Power Apps Developers, Technical Project Managers, Scrum Masters, testers, technical writers, and Government stakeholders to translate requirements into reliable technical solutions.

Annapolis Junction, MD30+ days ago

$66,602–$80,500 Per Year

A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

Washington, DC18 days ago

Full-time
Employee

The Senior ETL Developer is expected to understand data modeling, source-to-target mapping, transformation logic, data quality controls, and the operational impacts of upstream and downstream changes. Develop, enhance, test, and maintain ETL pipelines, data integration workflows, and transformation logic supporting reporting, analytics, and operational processes.•

Gaithersburg, MD13 days ago

$87,100–$157,450

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. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Gaithersburg, MD5 days ago

$107,900–$195,050

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. June 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Gaithersburg, MD13 days ago

$87,100–$157,450

The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. TFDM functions include Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools Electronic Flight Data (EFD); Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS) Replacement or integration of multiple systems in the National Airspace System (NAS).

Fairfax, VA25 days ago

$94,750–$135,357
Full-time
Employee

HII - Mission Technologies is currently seeking a Junior BI Developer/Analyst to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Develops business intelligence components supporting War Data Platform (WDP) Core Integration data operations by preparing structured datasets, building baseline dashboards, and conducting routine analytic validation across Unclassified and NIPR, Secret and SIPR, and Top Secret and JWICS enclaves.

Fairfax, VA25 days ago

Remote

$110,747–$170,000
Full-time
Employee

Five or more years of specific successful Business Development, Capture Management or Program Management experience within the defense or federal market areas including but not limited to: Acquisition, Global Logistics, Integrated Product Support, Modernization, Intelligence and Operations, Engineering Services and additional capability/market areas required to sustain manned and unmanned platforms. The ideal candidate should understand services type contract arrangements and acquisition life cycles, and understand the organizational structure and mission of the 11 Unified Combatant Commands in the Department of War, the Department of State, the Department of Homeland Security, the Federal Emergency Management Agency, and other FEDCIV agencies.

New!

Arlington, VA5 days ago

$100,000–$150,000 Per Year
Contractor
Employee

Supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize of the severity of breaches, develop mitigation plans, and assist with the restoration of services.

McLean, VA13 days ago

$60–$65 Per Hour
Contractor

This is a 06+months contract opportunity with long-term potential and is located in Mclean VA (Onsite). Immediate need for a talented Python Developer .

Washington, DC30+ days ago

This role focuses on designing and building Power BI reports and dashboards, working comfortably within the Azure ecosystem, and querying and analyzing data primarily using Snowflake SQL to extract insights and support decision-making. Note: Due to the confidential nature of our federal government Clients, this role requires the ability to pass a United States federal government Public Trust background check and is exclusively open to U.S. Citizens located within the United States.

Woodlawn, MD30+ days ago

$60–$65

Experience with modern development software, tools, and methodologies; Jenkins, Splunk, Git/Bitbucket, Jira/VersionOne, Nexus, Maven, Jenkins, OpenShift, XML/XSLT, VisualVM/Eclipse Profiler (Java performance monitoring tool), Amazon Web Services (S3), BDD (Cucumber or similar). Next Gen Software Solutions is a trusted provider of IT Staffing and consulting services dedicated to empowering businesses with cutting-edge technology solutions and exceptional talent.

Washington, District of Columbia30+ days ago

Skills:· Experience as a Software Developer (.NET/Java) Required 16 Years· Experience as a Business Analyst 8 Years Desired· Bachelor’s degree in IT or related field or equivalent experience Required· Software Development Lifecycle Experience Required 10 Years· Requirements gathering and documentation experience Required 8 Years· MS Office/PowerPoint experience Required 10 Years· Demonstrated Work Experience as a Salesforce Certified Platform Developer Required5 Years· Demonstrated Work Experience with APEX Programming Language Required 5 Years· Demonstrated Work Experience with Visual Force Required 5 Years· Demonstrated Work Experience with Lightning Required 3 Years· Experience with Salesforce Security Models Required 5 Years Compensation: $75.00 - $80.00 per hour . · Interact directly with clients, managers and end users as necessary to analyze project objectives and capability requirements, including specifications for user interfaces, customized applications and interactions with internal Salesforce instances.

Washington, District of Columbia30+ days ago

Work will include integration planning, analysis across multiple technical platforms across DHS to include both global system design and detailed program design for complex processes or interfaces, review of database design of new data structures, and suggested modifications to existing data structures. Effectively documents and teaches the structure and function of the new application and/or enhancements resulting from the assigned project(s) to other Web Application Managers and senior technical personnel to ensure that the new systems or enhancements operate smooth within environment.

Washington, DC30+ days ago

This role ensures the platform is stable, secure, and optimized for daily operations, including case management, reporting, workflow automation, and integrations. We are seeking a Salesforce Lead Developer to support a government‑contracted contact center by leading the design, development, and maintenance of Salesforce solutions.

Washington, District of Columbia30+ days ago

Required · Able and flexible to travel within the State of Georgia to provide scheduled in-person training classes 1 Year Required· Work experience in developing role-based end user training content for IT applications/systems 4 Years Highly Desired · Experience in instructional design, visual design, storyboarding, writing instructional text, audio scripts/video scripts 2 Years Highly Desired· Adobe Captivate 2 Years Highly Desired· TechSmith Camtasia 2 Years Highly Desired· Articulate 360/Storyline 2 Years Highly Desired· Microsoft Teams 1 Year Highly Desired · Work experience with maintaining training records within an LMS 1 Year Highly Desired · Oracle LMS/Workday LMS Nice to Have· Familiarity with ServiceNow Nice to haveFlexible work from home options available. Skills: · Microsoft Office and Office 365 applications Required 5 Years · BA/BS in in communications, teaching, IT or similar field; or Associate Degree w/2 yr of IT experience; or IT Certifications w/4 yr IT experience Required4 Years· Work experience in IT technical training or with computers, technology, IT applications/systems, and/or end user client support.

hanover, MD30+ days ago

$108,200–$162,400 Per Year

Essential Functions: Solution Architecture & Development: Design and implement scalable, secure, and high-performance solutions using Oracle Fusion ERP and Oracle PaaS (OIC, VBCS, PCS, APEX). If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email Lauren Lara at llara@allegisgroup.com or call 410-579-3526 for other accommodation options.

New!

Hanover, Maryland5 days ago

$101,000–$172,100 Per Year

This role requires deep expertise in Oracle Fusion Financials (especially Project Billing, AR, Collections, and Enterprise Contracts), Oracle Integration Cloud (OIC), and related PaaS technologies. Develop and maintain integrations using Oracle Integration Cloud (OIC), leveraging REST/SOAP APIs, FBDI, BIP, and OTBI for data exchange and reporting.

Leesburg, PA17 days ago

Remote

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. The selected candidates will develop, enhance, and maintain enterprise Java applications that support national security operations while working in a fast-paced agile environment with cross-functional technical teams.

Fort Belvoir, VA30+ days ago

$148,300–$266,900 Per Year

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. We promote a culture of excellence and close-knit teams that take pride in delivering, protecting, and sustaining our nation''s most critical assets, from Earth to cyberspace.

Herndon, VA30+ days ago

Synertex is seeking a UI/UX Frontend Software Developer with GIS/mapping experience working in a Federal Government, preferably DoD/IC, contracting environment. Collaborate with product management and engineering to define and implement innovative solutions for product direction, visuals, and user experience.

Reston, VA30+ days ago

$87,100–$157,450 Per 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.

Bethesda, Maryland30+ days ago

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.

Chantilly, Virginia30+ days ago

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. The candidate will collaborate with the user interface designer(s) to ensure seamless integration and will focus on innovating new and better ways to create solutions that add value.

Tysons Corner, VA19 days ago

Remote

Our expertise spans AI-first enablement, delivering innovative solutions and advanced cybersecurity, fortifying digital ecosystems against emerging threats and digital transformation through low-code/no-code development, cloud solutions, and agile methodologies. Minimum Education /Certifications10+ years of experience in IT leadership, architecture, specializing in Java and Pega Strong knowledge of front/backend development, Java, Pega and workflows.

Sterling, Virginia30+ days ago

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. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

Chantilly, Virginia19 days ago

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.

Falls Church, VA30+ days ago

Contractor

About CORTEK: Founded in 2003, CORTEK is a distinguished Service-Disabled Veteran-Owned Small Business (SDVOSB) specializing in Chemical, Biological, Radiological, and Nuclear (CBRN) defense, Weapons of Mass Destruction (WMD) terrorism prevention, Counter-WMD (CWMD) support services, and Freedom of Information Act (FOIA)/Privacy Act support. Our proven track record includes 12 years of incumbency on DOS contracts supporting WMD threat mitigation and consequence management programs, as well as comprehensive support for the Defense Threat Reduction Agency's (DTRA) technical and strategic objectives across Physical and Biological Sciences, Engineering, Policy, and Operations.

Chantilly, VA30+ days ago

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 >.

Herndon, Virginia25 days ago

To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.

Arlington, VA30+ days ago

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.

New!

Waldorf, MD2 days ago

$92,090–$135,000 Per 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).

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Contract Developer Jobs in Mclean, VA

Software Developer / Application Support PlanIT Group

IT - Software Developer IV PlanIT Group

ServiceNow Developer PlanIT Group

Sr .Net Architect / Developer eSolutionsFirst, LLC

AI Software Developer Leidos

Software Development V (SME Oracle APEX Developer) System One

SME Oracle APEX Developer System One

Lead AI Software Developer Leidos

Software Developer - Multiple Levels - TS/SCI Poly Required Leidos

ServiceNow Developer System One

Software Developer Leidos

ServiceNow Developer Senior System One

Web Content Developer System One

Jr. Software Developer Company Confidential

Drupal Developer CSZNet, Inc.

Software Developer PlanIT Group

Software Developer (C#.NET) Ariel Partners

Software Developer System One

Expert ETL Developer Drevol LLC

Software Developer Associate General Dynamics Information Technology

Senior ETL Developer Drevol LLC

Lead DevSecOps Software Developer Leidos

Senior Software Developer Leidos

Lead Software Developer Leidos

BI Developer/Analyst (Data Scientist 2) Company Confidential

Business Developer- Remote (Business Development Rep 4)- 28463 Company Confidential

Applications Developer - III Base One Technology

Python Developer Pyramid IT consulting

Contract Power BI Developer Data Society

Sr. Full Stack Developer - Angular | Woodlawn, MD – onsite | Contract W2 | F2F interview required Next Gen Software Solutions

Sr. Salesforce Developer- Long-Term Contract AHU Technologies

Angular Developer- Long-Term Contract (Government) Position AHU Technologies

Salesforce Lead Developer (Contact Center - Federal Contract) Systems Integration, Inc.

IT Trainer/Content Developer- long-Term Contract (Government) Position AHU Technologies

Lead Developer (Oracle Fusion) Contract to Cash Allegis Group Inc

Lead Developer (Oracle Fusion)-Contract-to-Cash Allegis Group

Software Developer - Java BizFirst

Red Team Software Developer Parsons Corp

UI/UX Frontend Software Developer Synertex LLC

Software Developer - Mid Leidos Holdings Inc

Software Developer CACI

Senior Software Developer CACI

Pega Senior Software Developer (CSSA) Sky Solutions

Full Stack Software Developer - Early Career CACI

UI Software Developer CACI

Senior Software Developer Cortek Inc

Software Developer Science Applications International Corp

Full-Stack Software Developer - TS/SCI w/Polygraph GD Information Technology

Software Developer IQUASAR LLC

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

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