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751 senior application developer jobs at 289 companies in Rockville, MD

3mo
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Application Developer Senior
Germantown or Chicago or Nashville or Washington
$91k-$185k/yr HybridFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
10+ YOESenior applications developer with Atlassian/Jira, Java/JavaScript, Azure, SQL; US citizen; willing to travel up to 25%; bachelor’s in CS or equivalent experience.
Jira, Confluence, Java, JavaScript, Azure, .NET, WebSphere, SQL, Power Platform, ServiceNow, IIS, Azure DevOps
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1mo
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Senior Application Developer
Fort Belvoir, Virginia, United States
$140k-$155k/yr OnsiteFull Time
SOSi
SOSi: Provides technology and mission solutions for national security.
5+ YOE5+ MgmtDesign, develop, integrate, and maintain complex .NET applications; mentor junior developers; must hold Top Secret clearance and IAT-II certifications; 5+ years development and supervisory experience.
.NET Core, .NET, Microsoft SQL, C#, JavaScript, AWS, Azure, GCP, REST APIs, ARMIS, AAO, ACOTD, FACTS, MDR, ADAMS, CI/CD
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2mo
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Senior Application Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
12+ YOESenior developer with React, Java/Spring, and Pega experience; TS/SCI with Full Scope Poly; bachelor’s degree or 16 years experience; 12+ years development background; Agile experience; PEGA familiarity; willingness to learn PEGA.
React, Java, Spring Boot, Pega, Oracle, SQL
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1d
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Application Developer, Senior
Washington or Orlando or Fort Meade or Minneapolis or Huntsville or Dayton or San Diego or Fort Sheridan or Devens or Norfolk or Millington or Phoenix or Fort Worth or Peterson Air Force Base or Belle Chasse or Buckley Air Force Base or San Antonio or MacDill Air Force Base or Tampa or Quantico or Lackland Air Force Base or Yorktown or Offutt Air Force Base or Rome or Reston or Camp Parks
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOERequires 6+ years of application or software development, Node.js with TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, automated testing, TS/SCI clearance with polygraph, and a bachelor's degree.
Node.js, TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, JSON, Java, JavaScript, Microsoft SharePoint, XML, VBAs, Oracle, MongoDB, Solr, OpenAI
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1d
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Application Developer, Senior
Washington, District of Columbia, United States
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
6+ YOERequires 6+ years of application or software development, Node.js with TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, automated testing, TS/SCI clearance with polygraph, and a bachelor's degree.
Node.js, TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, JSON, Java, JavaScript, Microsoft SharePoint, XML, VBAs, Oracle, MongoDB, Solr, OpenAI
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1mo
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Senior Application Development Engineer
Washington, District of Columbia, United States
$117k-$140k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
5+ YOEUS citizen able to obtain Public Trust (High). 5+ years senior-level application design/development (or Bachelor's in IT + 3 years). Proficient with SharePoint Online and Microsoft Power Apps; Agile experience; strong communication and attention to detail.
SharePoint Online, Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Microsoft 365, REST APIs, JSON, JavaScript, Power FX
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1mo
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Application Developer - Senior
Colorado Springs or Reston
$60k-$180k/yr HybridFull Time
Aleut Federal
Aleut Federal: Provides infrastructure and technical services to federal government agencies.
7+ YOE7+ years software development, 5+ years ServiceNow, Java knowledge, 4+ years development lead experience, integration/API development, IT-II/Tier 3/NACLC/ANACI eligibility or current Tier 3 investigation; relevant ServiceNow and agile certifications preferred.
ServiceNow, Java
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2mo
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Senior Application Developer
Fort Meade, Maryland, United States
$164k-$200k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
12+ YOESecurity clearance TS/SCI with poly; 12+ years software engineering; reverse engineering, development, and analyst skills.
C, C++, Python, Assembly, Reverse Engineering, Networking
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1mo
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Senior Application Developer
Denver or Springfield or Sterling or St. Louis
$75k-$158k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
8+ YOEBachelor's in CS or related,8+ years software development experience,expert Java and/or Python,REST APIs,databases,CI/CD,GIT,TS/SCI clearance and polygraph willingness.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS/C2S, Git, CI/CD
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2d
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Senior Salesforce Application Developer
McLean, Virginia, United States
$120k-$190k/yr OnsiteFull Time
Steampunk
Steampunk: Federal digital transformation and consulting services provider.
Develop and maintain Salesforce applications using Apex, LWC, Flows, and Lightning App Builder; support data migration, security, testing, troubleshooting, Agile collaboration, and developer mentoring.
Salesforce, Salesforce User Interface, AppExchange, Apex, LWC, Lightning App Builder, Experience Cloud Sites, Flows, Agile
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3h
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Senior Application Developer
Arlington, Virginia, United States
$125k-$135k/yr RemoteFull Time
Nuvitek
Nuvitek: Delivers AI-driven IT modernization and automation for federal agencies.
10+ YOEBachelor's degree in a related field, 10+ years of software development experience, .NET and SQL Server expertise, enterprise integration, cloud, DevOps, CI/CD, and Secret clearance eligibility or maintenance.
C#, MVC, JavaScript, HTML, CSS, SQL Server, REST, SOAP, BPMN, Appian, Salesforce, Nintex, React, Vue.js, Node.js, Telerik Kendo UI, Azure DevOps, Azure DevOps Server, AWS, Azure, RabbitMQ, Redis, Quartz.NET, Splunk, Visual Studio, Visual Studio Code, TestComplete, TestExecute, NuGet, NPM, Java, PowerShell, JSON, XML/XSD, WSDL, ServiceNow, MadCap Flare, Moodle, Bitvise SSH Server
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2mo
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Web Application Developer - Senior
Washington, District of Columbia, United States
$140k-$146k/yr OnsiteFull Time
E-INFOSOL
E-INFOSOL: Provides secure cloud and cybersecurity solutions for government agencies.
5+ YOESenior-level developer with 5-8 years in Power Platform, Dataverse, PCF, JavaScript/TypeScript, and cloud integrations; requires Active Top Secret security with SCI eligibility.
Power Apps, Power Automate, Dataverse, Power BI, Power Apps Component Framework, JavaScript, TypeScript, React, Angular, Vue, Node.js, C#, SharePoint, Azure, APIs
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2w
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Senior .NET Application Developer
Arlington or Fairfax
$140k-$150k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
10+ YOEActive Secret clearance and U.S. citizenship, 10+ years' development experience with ASP.NET/C# and .NET Core, Agile experience, EMR not mentioned, proficiency with RDBMS, XML, and deployment packaging.
Concorde, ASP.NET, C#, LINQ, MVC, Entity Framework, Unity, Microsoft Visual Studio, Microsoft Team Foundation Server, ReSharper, JavaScript, Cascading Style Sheets (CSS), SQL, XML, Microsoft SharePoint, NHibernate, jQuery, AJAX, HTML, Oracle, Microsoft SQL Server, T4 templates, Classic ASP, .NET Core, .NET Standard, Visual Studio 2017
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2mo
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Senior Web Application Developer
Washington, District of Columbia, United States
$115k-$145k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
5+ YOE5-8 years in building Power Platform solutions and web apps; TS/SCI clearance; strong JavaScript/TypeScript, React/Angular/Vue, Node.js; Azure integration; DevOps proficiency.
Power Apps, Power Automate, Dataverse, Power BI, JavaScript, TypeScript, React, Angular, Vue, Node.js, C#, Azure, Git, DevOps, Power Platform
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2w
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Senior Engineer, Application Security
Tysons Corner, Virginia, United States
$120k-$160k/yr HybridFull Time
Cvent
Cvent: Cloud-based software for event and venue management.
5+ YOE5+ years in application security or secure software development; strong scripting in Python, JavaScript/TypeScript, or Bash; CI/CD and SDLC security integration; cloud (AWS preferred) and tool familiarity; end-to-end ownership experience.
Python, JavaScript, TypeScript, Bash, AWS, GCP, Azure, AWS CDK, Burp Suite, Checkmarx, Mend, Veracode, Fortify, ZAP, Wiz, CI/CD, SAST, DAST, SCA
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1mo
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Senior Application Developer (DAAS API GW)
Washington or United States
RemoteContract
Horizon Industries
Horizon Industries: Provides IT and management consulting services to government clients.
5+ YOEFive+ years developing applications; experience with APIs, low-code/no-code platforms, BPMN, MuleSoft; BS in related field; 8570 IAT Level I and MuleSoft certification required; active Secret clearance.
Java, HTML, Microsoft .NET, AngularJS, JavaScript, SOAP, REST API, Web Based API, BPMN, Appian, Salesforce, Nintex, MuleSoft Anypoint Platform, Microsoft SQL Server
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2mo
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Lead Application Developer
Suitland, Maryland, United States
OnsiteFull Time
Onyx Government Services
Onyx Government Services: Provides data analytics and IT services for federal agencies.
15+ MgmtSME-level developer with 15+ years leading application development; expert in cloud-native, microservices, containerization, serverless, DevSecOps, CI/CD, IaC, secure coding, and Section 508 compliance; Bachelor’s in CS or related field.
cloud-native, microservices, containerization, serverless, DevSecOps, CI/CD, version control, automated testing, IaC, Section 508, AI/ML, business intelligence, robotic process automation, SAFe
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2mo
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Senior Salesforce Application Developer
McLean, Virginia, United States
$120k-$190k/yr OnsiteFull Time
Steampunk
Steampunk: Provides digital transformation and IT consulting for federal agencies.
7+ YOEBachelor's degree,7 years' work experience,5+ years Salesforce development,proficiency with Visualforce,Apex,Force.com APIs and web services,eligible for security clearance,Salesforce Developer certification preferred.
Salesforce, Visualforce, Apex, Force.com APIs, Web Services, Microsoft Teams, Agile, DevSecOps
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2w
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Sr. Application Developer
Washington, District of Columbia, United States
HybridFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
8+ YOEActive TS/SCI with poly (or eligible); Master's+8yrs or Bachelor's+10yrs in application/software development; experience with Node.js/TypeScript, SQL/PostgreSQL, Redis, Elasticsearch, Angular, NestJS, Docker/OpenShift, and automated testing.
Node.js, Typescript, SQL, PostgreSQL, Redis, Elasticsearch, Angular, NestJS, JSON, Java, JavaScript, Microsoft SharePoint, XML, VBAs, Oracle, MongoDB, Solr, Open AI, Docker, Red Hat OpenShift, Python, Piwik/Matomo
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1mo
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Senior Application Software Engineer
Reston or Austin or Seattle
$87k-$187k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
8+ YOEU.S. citizen with active TS/SCI clearance, 8+ years software development experience (or advanced degree with reduced years), experience with programming, databases, APIs, and secure development.
Oracle Cloud Infrastructure, AWS, Azure, Google Cloud, Kubernetes, Linux, RESTful APIs
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