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29,918 developer jobs at 3,831 companies in Gaithersburg, MD

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Developer
Reston or Washington, D.C.
$110k-$150k/yr HybridFull Time
Dunbar Consulting
Dunbar Consulting: Private IT consulting firm serving government and commercial clients with custom software services.
7+ YOEBachelor's degree in a relevant computer field, 7+ years of software development, Java, AWS cloud-native development, modern frameworks, CI/CD, automated testing, secure coding, U.S. citizenship, and Public Trust eligibility.
AWS, Java, CI/CD, Amazon Q Developer
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Mulesoft Developer
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States +1 more
$54k-$196k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years software development, 2+ years API development and Git/Agile/testing, 1+ year MuleSoft development, MuleSoft Developer Level 1, and a bachelor's degree or equivalent experience.
Anypoint Platform, Anypoint Studio, Mule Runtime, DataWeave, MUnit, Git, SOAP, REST, XML, JSON, YAML, Anypoint MQ, API Manager, Anypoint Exchange, CloudHub, Salesforce, SAP, Workday, Oracle Cloud Applications, ServiceNow, CI/CD, AWS, Azure, Flex Gateway, Model Context Protocol (MCP), GenAI, HL7, FHIR, Boomi, Informatica, SnapLogic, Workato
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2mo
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Developer
Reston, Virginia, United States
$120k-$140k/yr HybridFull Time
Inadev
Inadev: Private technology services firm delivering digital, cloud, data, AI, and engineering solutions for government and commercial clients.
5+ YOEBachelor's degree and 5+ years of software and Python/React development experience required. Requires Java/Spring Boot, microservices, databases, AWS, Agile, JIRA, analytical, communication, and U.S. citizenship.
Python, React.js, Java, Spring Boot, PostgreSQL, SQL Server, Oracle, MongoDB, DynamoDB, Amazon Web Services (AWS), Amazon S3, Amazon EC2, AWS Lambda, Amazon SQS, Amazon RDS, JIRA, GitHub Copilot, Scrum, Kanban, CI/CD, DevSecOps
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3mo
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Senior Developer
Rosslyn, Virginia, United States
$222k/yr OnsiteFull Time
ActioNet
ActioNet: Woman-owned IT solutions and managed services provider.
7+ YOESecret clearance, 7–12 years software development experience, bachelor’s degree in CS/IT, expertise in Python/Java/C#, Agile/SAFe, microservices and API development, cloud and system integration; strong leadership and troubleshooting skills; certifications preferred.
Python, Java, C#, Agile, Scrum, SAFe, microservices, API, AWS, Microsoft Azure, GitHub, Kubernetes, Docker, big data platforms, TOGAF 9
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3mo
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Reverse Engineer/Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Public U.S. defense technology providing AI-powered decision-intelligence software and services to government and commercial customers.
10+ YOETS/SCI with FSP required; 10+ years software engineering experience (or 12+ with BS); advanced reverse engineering, software development and testing, networking knowledge, and analytical skills.
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1mo
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RPA Developer
United States or Arlington
$105k-$140k/yr RemoteFull Time
InterImage
InterImage: Woman-owned modernization contractor delivering software, cybersecurity, cloud, data, automation, and AI solutions to government and commercial clients.
5+ YOE5+ years software developer experience, 3+ years RPA development with unattended bots, UiPath experience, requirement gathering, US citizenship.
UiPath, UiPath Orchestrator, SharePoint, C#, APIs
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2mo
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Application Developer
Laurel, Maryland, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
4+ YOERequires 4+ years in software design and development, three or more programming languages, Linux application development, a bachelor's degree, and TS/SCI clearance with polygraph.
Python, Java, Go, Rust, Structured Query Language (SQL), NoSQL, Linux, JMS, JSON, XML, SOA, REST, Bootstrap, Angular, HTML, HTML5, CSS, JavaScript, C, C++, C#, Ajax, Forcepoint High Speed Guards, OWL Data Diodes, ISSE Guards
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Cloud Developer/Software Engineer (Expert)
Herndon, Virginia, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
11+ YOEBachelor's degree in computer science or related field and 11+ years of software development experience. Requires Java, C#, cloud, DevOps, scripting, database, and multi-environment development expertise.
Java, C#, React, Node.js, TypeScript, .NET, AWS, Azure, Google Cloud, Oracle, Jira, GitHub, Jenkins, Python, PowerShell, Windows, Linux, SQL, Microsoft SQL Server Management Studio (SSMS), Ansible
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Software Developer
Chantilly, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
10+ YOEBachelor's degree or equivalent, 10+ years of software development experience, expertise in Java or Python or JavaScript and Angular, enterprise application development, Agile, architecture, and object-oriented programming.
Java, Python, RESTful APIs, JavaScript, Angular, Apache Spark, Elasticsearch, OpenSearch, AWS, Spring Boot, Docker, Kubernetes, Jenkins, GitLab, CI/CD, DevSecOps
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ServiceNow Developer
Washington, District of Columbia, United States
$115k-$140k/yr HybridFull Time
Koniag Advisory and Business Solutions, LLC
Koniag Advisory and Business Solutions, LLC: Alaska Native-owned management consulting firm advising federal agencies on administrative, financial, medical-office, and records-management operations.
5+ YOEBachelor's degree or equivalent experience, 5+ years in software or workflow development, 3+ years of ServiceNow development or administration, JavaScript and API experience, and ability to obtain Public Trust.
ServiceNow, Flow Designer, IntegrationHub, Service Portal, Workspace, App Engine, App Engine Studio, JavaScript, REST, SOAP, Automated Test Framework, CMDB, CSDM, ITIL, DevSecOps
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ServiceNow Developer
Bethesda, Maryland, United States
$104k-$218k/yr HybridFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
4+ YOEU.S. citizenship, active TS/SCI clearance with polygraph, degree and 4–8 years of experience, ServiceNow development, JavaScript, Glide, agile development, and ServiceNow certification required.
ServiceNow, ITSM, SPM, PPM, CMDB, ITOM, ITAM, CSM, ATF, VTB, Agile, Service Portal, HR Service Delivery, JavaScript, Glide, HTML, CSS, Jelly, ISO 9000
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6d
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Drupal Developer
Fairfax, Virginia, United States
RemoteFull Time
Pyramid Systems
Pyramid Systems: Employee-owned federal IT consulting firm modernizing mission-critical systems for U.S. government agencies.
5+ YOE5-7 years software development experience, 5+ years Drupal development and support, experience with Microsoft Azure, NACI clearance, ability to work in remote collaborative environment.
Drupal, Microsoft Azure
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1mo
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Appian Developer
Quantico, Virginia, United States
$110k-$120k/yr OnsiteFull Time
VivSoft Technologies
VivSoft Technologies: VivSoft is a private federal IT services and software firm delivering cloud, DevSecOps, AI, and data solutions.
3+ YOEActive Secret clearance; 3+ years application developer experience; strong Appian platform knowledge; experience with third-party APIs and Agile; Appian Developer Certification preferred.
Appian
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Lead Developer
Camp Springs, Maryland, United States
OnsiteFull Time
Fusion Technology
Fusion Technology: HUBZone IT contractor providing software, cybersecurity, cloud, biometric, and systems-engineering services to U.S. government agencies.
5+ YOEBachelor's degree and 5 years of related software development and DevSecOps experience required; must be able to obtain a DHS Public Trust Clearance.
DevSecOps, CI/CD
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3mo
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Applications Developer - SME
Sterling or Herndon
$122k-$253k/yr OnsiteFull Time
Nightwing
Nightwing: Advanced cyber, intelligence, and systems integration services for national security.
Experienced full-stack developer with AI/ML integration, Agile development, production web application development, unit testing, documentation, and stakeholder communication.
AI/ML, ETL, Agile
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4w
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Developer Experience Engineer, AWS Developer Experience
Seattle or Arlington or New York City
$118k-$227k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
4+ YOEBachelor's degree in computer science or equivalent, 4+ years building production software, programming skills in C/C++/C#, Node.JS, Java, Python, PHP, Ruby, experience with AI-assisted development tools, and technical writing experience.
C, C++, C#, Node.JS, Java, Python, PHP, Ruby
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2mo
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Software Developer
Herndon, Virginia, United States
$156k-$234k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Private defense technology delivering cybersecurity, data, and mission solutions to U.S. national security customers.
6+ YOEBachelor's degree or equivalent education and 6+ years of software development experience. Requires Rust, C, or C++, web languages, development tools, and active TS/SCI with polygraph clearance.
Rust, C, C++, HTML, CSS, Vue, JavaScript, Git, JIRA, Windows, TPM, Amazon Web Services
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2w
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Junior Developer
Fort Meade, Maryland, United States
OnsiteFull Time
Oneida Professional Services
Oneida Professional Services: Tribally owned professional-services and staffing provider delivering training, research, engineering, and administrative support to government clients.
Experience developing enterprise software, proficiency with Microsoft .NET, relational database design, SDLC knowledge, web application development, security principles, Section 508 accessibility, and technical documentation.
Microsoft .NET, Microsoft SQL Server, C#, ASP.NET, MVC, .NET Core, Blazor, DevSecOps, CI/CD
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