Contract Developer Jobs in Washington, DC
Jobot
$115000 - $145000
Washington, DC
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We are seeking a highly skilled, experienced, and passionate Senior Application Developer with expertise in .NET, Angular, and TypeScript to join our dynamic Tech Services team.
Guidehouse
$113000 - $188000
Washington, DC
You’ll work within secure environments and collaborate with product owners, security engineers, and stakeholders to deliver reliable, secure, and scalable software—improving how DOJ teams protect the nation and deliver justice. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
Jobot
$95000 - $125000
Washington, DC
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our development strategy is agile and policy-driven, allowing us to identify attractive markets and rapidly advance projects that deliver both economic and environmental value to local communities.
System One
Washington, DC
Working experience with Agile development methodology and roles along with experience utilizing CI/CD for building and deploying cloud applications with the Python language for backend services and Angular front-end development is important for this role. At least 7 years of demonstrated programmer / analyst experience developing software according to software development lifecycle (SDLC) and Agile methodology.
Jobot
$70000 - $90000
Ellicott City, MD
As an Analyst on this team, you will join a dynamic, growing team at the center of the revenue cycle, and help them continue to drive operations and strategy through data management, project management, a deep understanding of how challenging our revenue cycle can be, and an eye for the future in helping them continue to transform billing. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
System One
Washington, DC
Demonstrated knowledge and experience with modern software development (e.g., Java (J2EE), Python script, JavaScript, SQL, T-SQL, Linux Shell script, JSP, etc. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Guidehouse
$149000 - $248000
Washington, DC
Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Bering Straits Native Corporation
Suitland-Silver Hill, MD
Offering a broad range of information technology solutions, Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services. Satisfied Bering Straits Native Corporation (BSNC) family customers include the U.S. Air Force, Army, Navy, Coast Guard, the Departments of State, Justice, Commerce, Agriculture, Interior, Homeland Security, the General Services Administration, the Defense Logistics Agency and the U.S Census Bureau.
Trigyn Technologies Inc
Arlington, VA
Will serve as a key interface between the DTS and other departments and must have demonstrated the ability to communicate and discuss business issues with technical and non-technical audiences at all organizational levels. • Develop database solutions to securely store and retrieve County information utilizing Amazon Web Services, (AWS) data warehouse and data lake architecture.
Federate Systems Corporation
Lanham, MD
The developers should have hands-on experience in containerized application development and deployment using Docker and Kubernetes, along with familiarity in messaging systems (AMQ, IBM MQ, Apache Kafka) and data grid technologies for high-performance, distributed applications. Connect), TLS cipher suites, secure coding practices, automated security scanning, dependency vulnerability management, and enforcement of enterprise DevSecOps controls.
Jobot
$140000 - $215000
Tysons, VA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Senior Full Stack Software Engineer / Senior Full Stack Developer on our team, we are looking for: Computer Science degree strongly preferred.
NuAxis Innovations
Washington DC, DC
Create, maintain, and enhance Incident Management, Problem Management, Service Request Management, Service Catalog, Knowledge Management, Self-Service Portals, single sign-on (SSO) capability, and. Create and maintain an agile, streamlined, scalable, and optimized USMT – ServiceNow system components, and perform integration and support, and operational services with high availability and service delivery goals.
Jobot
$140000 - $215000
Tysons, VA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. As a Staff Software Engineer / Senior Full Stack Software Engineer on our team, we are looking for: Computer Science degree strongly preferred.
Jobot
$150000 - $220000
McLean, VA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Lead new product initiatives building on a proven quality and reliability platform to improve developer experience across AI, API, CLI, and VPC uses, new product org!
General Dynamics Information Technology
$66602 - $80500
Annapolis Junction, MD
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.
Amazon Data Services, Inc.
Herndon, VA
This role will serve as the primary liaison between Real Estate, Design Engineering, Due Diligence, and other critical partner teams from initial planning, through design development to provide schedule forecasting, construction budgeting, and constructability guidance. - Experience understanding electrical and mechanical systems involved in critical data center operations including systems such as feeders, transformers, generators, switch gear, UPS systems, ATS units, PDU units, chillers, pumps, or air handling units.
Synergistic it
$82000 - $136000
Washington, DC
SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.
Synergistic it
$78000 - $127000
Arlington, VA
SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.
Jobot
$120000 - $150000
Arlington, VA
Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!
Saxon Infotech
Columbia, MD
3+ years of hands-on experience leading implementation of custom solutions on the Salesforce platform in Lightning and have expert level working knowledge on major Salesforce.com technologies, data modeling, integration, and data migration. Develop Lightning components both by writing custom LWC in JavaScript with Aura framework and within the Salesforce Lightning Design System, maintaining fluency with Apex, Salesforce query, and Salesforce Search language (SOQL and SOSL).
Genesis10
McLean, VA
Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.
NuAxis Innovations
Washington DC, DC
2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity. Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.
Guidehouse
$149000 - $248000
Washington, DC
We’re seeking a highly experienced Senior Software Programmer (SME Level) to provide expert‑level software engineering, architecture guidance, and modernization leadership across mission‑critical Department of Justice (DOJ) programs. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.
Aroha Technologies
Washington, DC
This involves building a data platform that supports data flows/pipelines, Extract, Transform and Load (ETL) / Extract, Load and Transform (ELT) and orchestration, data lake/data warehousing, geospatial analysis and services, big data query and analysis. Design and architect robust Azure Government cloud infrastructures, including virtual networks, subnets, firewall rules, and VM configurations, to meet project requirements for scalability, high availability, and security.
Credence
Crystal City, VA
Key Features and Capabilities: Developed using Agile methodologies, FMS-ACES provides a unified environment for managing the full lifecycle of an FMS case: Case Management: Streamlines everything from initial case implementation to closeout. By transitioning to a low-code, cloud-based platform, the Army intends to keep pace with evolving global security needs and provide senior leaders with integrated data for better decision-making.
Vantor
$165000 - $200000
Herndon, VA
You will work with a team of other front-end and back-end software developers and engineers, DevSecOps engineers, Systems Engineers, and GIS experts to build the user interface components supporting the Safehouse development team. The successful candidate’s starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions.
Guidehouse
$98000 - $163000
Rockville, MD
The Project Manager is responsible for facilitating SCRUM ceremonies, working with technical leads to translate scientific requirements into actionable development plans, managing timelines and dependencies, and coordinating cross-functional teams of developers, researchers, and data specialists. At least 4 years of experience managing bioinformatics projects; prior experience with project management duties that include responsibilities for a 3-6 member team; and demonstrated experience with the activities described in the duties above including experience coordinating with research scientists and clinicians activities such as gathering requirements, organizing focus groups.
Johns Hopkins Applied Physics Laboratory (APL)
$85000 - $245000
Laurel, MD
Perform software engineering including requirements development, network architecture design, object-oriented design, agile software development, laboratory system integration and testing, and field testing. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Johns Hopkins Applied Physics Laboratory (APL)
$100000 - $245000
Laurel, MD
You will work with a team from government, industry, and academia to develop performance specifications, lead technical studies, and develop systems engineering products for emerging maritime programs, to include autonomous undersea vehicles (AUVs). Collaborate with multiple DoD system partners to evaluate current strategies, risks, and opportunities to develop and implement T&E strategies that refine/improve their programs and missions.
LufCo
$144000 - $201000
Annapolis Junction, MD
Drive web application development through a series of prototyping and incremental improvement, following software development processes and actively participating in establishing automation throughout the development/testing/packaging and deployment phases. Incorporate human factors into design and think creatively about how user experience affects system impact and make the appropriate suggestive changes to represent the user's point of view.
Systems Integration, Inc.
Washington, DC
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.
Allegis Group
$114700 - $172100
Hanover, Maryland
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.
BLN24
McLean, VA
You will work closely with the Front-End Lead and development team to ensure the updated front end integrates smoothly with the existing Spring Boot backend and meets user needs. Our service and solutions delivery start with understanding each client’s end-state, and then seamlessly integrating within each Agency’s organization to improve and enhance strategic and technical operations and deployments.
Lumen Solutions Group Inc
Washington, DC
Access to a virtual desktop set up (software) will be provided by Lumens client, allowing the user access to the required systems and technology.*** ***Lumen and / or its clients will not provide equipment (Laptop, monitor, etc.) to the selected contractor.
Northstrat
Sterling, VA
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. To attract and retain the highest quality staff, Northstrat provides a unique and versatile benefits package, the Individual Benefit Account (IBA), which places the power of choice in the hands of our greatest asset – the employee.
Collins Consulting, Inc
Washington, DC
In doing so, AMS supports business processes to include, but not limited to, tracking the lifecycle of accountable and non-accountable assets; managing asset receipt, creating tracking, maintenance, disposal, and valuation processes; providing greater visibility into asset history; automating commonly used forms and requests for service; and embedding workflow and email notifications into everyday asset management processes and preventative maintenance tracking. Microsoft Excel Microsoft Word Excellent verbal and written communication skills Nice to have skills: 2+ years experience with java class extension in IBM Maximo 7 or later 2+ years experience with creating and editing xml files 2+ years experience with Mobile App Development for Android and/or iOS Experience working with agile implementation teams Experience with federal government contract work, preferably DOJ agencies
Cherokee Nation Businesses
Washington DC, DC
The Senior Developer mentors junior staff, reduces technical debt through best practices, and ensures high-quality, secure, and performant Salesforce implementations. As a trusted partner for more than 60 federal clients, Cherokee Federal LLCs are focused on building a brighter future, solving complex challenges, and serving the government’s mission with compassion and heart.
VTG
Hanover, Maryland
Responsibilities: Key Responsibilities• Analyze user requirements to derive software design and performance requirements• Debug existing software and correct defects using a variety of programming languages (Examples: Java, JS, Vue, Python, C++)• Create and maintain a scalable, high-availability, mission system using modern system design principles.• 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.
Noblis
$146200 - $228400
Reston, Virginia
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. We believe our people are our greatest strength, and we consistently seek exceptionally skilled, mission‑driven professionals who care deeply about doing work that enriches lives and makes our nation safer.
Peraton
$80000 - $128000
Herndon, Virginia
Peraton Overview: Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. Responsibilities: We are seeking a highly skilled and innovative Software Developer, Journeyman to join our team in the greater DMV area, supporting the Army National Guard.
Cortek Inc
Falls Church, VA
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.
Cayuse Holdings
$135000 - $170000
Fort Belvoir, Virginia
The Senior SharePoint Developer is responsible for designing, developing, implementing, and maintaining advanced SharePoint solutions to support organizational objectives and business processes in federal or enterprise environments. As a technical leader, the Senior SharePoint Developer collaborates with cross-functional teams and provides guidance on best practices, governance, and the secure management of digital content.
Foxhole Technology, Inc.
Arlington, VA
Requirements of position: Think analytically, effective verbal and written communication skills, make decisions, observe/remember details, interpret data, concentrate on tasks, adjust to change, handle stress/emotions. Our talented employee-owners provide agile, scalable services and solutions that solve operational gaps, operate critical systems, and protect and secure the enterprise – across the organization and around the world.
General Atomics
Herndon, VA
Must possess the ability to understand new concepts quickly and apply them accurately throughout an evolving environment; strong communication, presentation, and interpersonal skills to effectively interface with other departments, customers, government representatives, and/or professionals; the capability of representing the organization as a prime technical contact; and the ability to provide leadership and guidance to less experienced professionals. + Communicates with engineering professionals, solution users, and management throughout the solution development cycle, represents the company as a prime technical contact on contracts and/or projects, interacts with senior external personnel on technical matters requiring coordination between the organizations, and participates in the development of new or expansion of existing business.
Noblis
$78900 - $123300
Reston, Virginia
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. In this role, you will work across a portfolio of projects with other developers, engineers, data scientists, and subject matter experts (SMEs) to design, develop, and test software applications.
Noblis
$90700 - $141775
Reston, Virginia
Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. In this role, you will work across a portfolio of projects with other developers, engineers, data scientists, and subject matter experts (SMEs) to design, develop, and test software applications.
Na Ali'i Consulting & Sales, LLC.
$139000 - $175000
Arlington, Virginia
The Nakupuna Companies use a market-based compensation strategy to ensure that our employees are compensated within applicable market ranges commensurate with multiple factors, including but not limited to the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability, organizational requirements, and position location. Overview: Nakupuna Companies is seeking a Senior Developer to provide technical leadership and hands-on software development support for the sustainment, enhancement, and secure operation of the U.S. Navy’s Total Force Manpower Management System (TFMMS).
Peraton
$135000 - $216000
Herndon, Virginia
Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. The EMMETT program, a next gen Space Domain Awareness (SDA) Indications and Warning (I&W) system, establishes a repository of resident space objects (RSOs), finds RSOs of interest, and provides data to ground operators.
Peraton
$104000 - $166000
Herndon, Virginia
Implement APIs, automation logic, data workflows, and user interfaces; develop dashboards and analytics features (e.g., Power BI) and automate processes (e.g., Power Automate) to improve operational visibility. Peraton Overview: Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy.
Cayuse Holdings
$138000 - $175000
Fort Belvoir, Virginia
This position is instrumental in supporting mission-critical programs and services for government clients, ensuring robust, scalable, and secure solutions by applying advanced programming, analytical, and problem-solving skills. The .NET C# Developer serves as a technical leader responsible for designing, developing, and maintaining high-quality software applications and systems using the Microsoft .NET framework and C#.