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147 web application engineer jobs at 85 companies in Washington, DC

1mo
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Web Application Developer
McLean or United States
OnsiteFull Time
J5 Consulting
J5 Consulting: Provides specialized cybersecurity and technical services to government and commercial clients.
Experience developing modern web applications with JavaScript/TypeScript frameworks, Node.js, RESTful APIs, SQL databases (PostgreSQL/MySQL), containerization (Docker/Podman), AWS, Git, Agile, and strong security and problem-solving skills. US citizenship and active Top Secret clearance with Full Scope Polygraph required.
JavaScript, TypeScript, Angular, React, Vue, Node.js, Express, Koa, Hapi, HTML5, CSS3, ES6+, Sass, PostgreSQL, MySQL, Prisma, Sequelize, Docker, Podman, AWS, Git, ElasticSearch, Terraform, CloudFormation, leaflet.js, Jenkins, JEE, PKI
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2d
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Web Application Developer, Mid
Washington, District of Columbia, United States
$90k-$114k/yr OnsiteFull Time
Cayuse Holdings
Cayuse Holdings: Tribally-owned provider of IT and professional services.
5+ YOEBachelor's degree or equivalent,5+ years application/web development experience with Microsoft Power Platform (Power Apps, Power Automate),Dataverse,Power BI,REST APIs and ALM;Top Secret clearance required.
Microsoft Power Platform, Power Apps, Power Automate, Dataverse, Power BI, Power Fx, JavaScript, HTML, CSS, React, Angular, Vue, Node.js, Azure Logic Apps, Azure Functions, API Management, Azure Storage, Azure DevOps, Git, Power Apps Component Framework (PCF), REST APIs, Microsoft SharePoint, Microsoft Teams, Microsoft Excel, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Adobe Acrobat
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Python Web Application Developer
Tysons Corner or Falls Church
$32-$45/hr HybridFull Time
IntelliDyne
IntelliDyne: Provides IT consulting and technology solutions to government agencies.
5+ YOE5+ years Python development, Flask experience, web app deployment and security, authentication and certificate management, REST API and database integration, Git, strong debugging and communication skills.
Python, Flask, Microsoft Entra ID, HTML, CSS, JavaScript, REST APIs, OAuth, SSO, PostgreSQL, SQL Server, MySQL, Git, Azure, AWS, IIS, NGINX, Apache, Docker, Linux, Windows, CI/CD
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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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1w
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Web Application Developer with Polygraph
Herndon, Virginia, United States
$121k-$266k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
10+ YOETS/SCI with Polygraph clearance required; Bachelor's in CS; 10+ years web development experience with Oracle SQL, PL/SQL, ASP.NET, JavaScript/HTML/CSS, Angular, node.js, TypeScript, C#, MVC, REST APIs, SAML/OIDC, and CI/CD.
Oracle SQL, PL/SQL, ASP.NET, Javascript, HTML, CSS, Angular Material UI, Angular, node.js, TypeScript, C#, WCF, WebAPI, MVC, REST Web Services, SAML, OIDC, CI/CD, HighVIEW, JIRA, Confluence
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1w
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Web Application Developer with Polygraph
Herndon, Virginia, United States
$121k-$266k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
10+ YOEActive Top Secret/SCI with Polygraph, Bachelor's in Computer Science or related, 10+ years web development experience, Oracle SQL/PLSQL, ASP.NET, JavaScript/Angular/node.js/TypeScript, C#, MVC, SAML/OIDC, CI/CD, secure environment experience.
Oracle SQL, PL/SQL, ASP.NET, JavaScript, HTML, CSS, Angular, Angular Material UI components, node.js, TypeScript, C#, WCF, WebAPI, MVC, SAML, OIDC, CI/CD, HighVIEW, JIRA, Confluence
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Python Web Application Developer
Tysons Corner or Falls Church
HybridFull Time
IntelliDyne
IntelliDyne: Provides IT solutions and consulting services to government agencies.
5+ YOE5+ years Python development, Flask experience, web app deployment and security, authentication and certificate management, REST APIs, relational DBs, Git, HTML/CSS/JavaScript, strong debugging and communication skills.
Python, Flask, Microsoft Entra ID, HTML, CSS, JavaScript, REST APIs, PostgreSQL, SQL Server, MySQL, Git, Azure, AWS, IIS, NGINX, Apache, Docker, Linux, Windows, CI/CD
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2w
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Senior Web Application Developer
Washington, District of Columbia, United States
$95k-$110k/yr OnsiteFull Time
Koniag Government Services
Koniag Government Services: Providing technical and professional services to federal agencies.
5+ YOETop-Secret clearance, 5+ years building Microsoft Power Platform solutions (Power Apps, Power Automate, Dataverse), PCF, Power BI, JavaScript/TypeScript, C#, Azure integrations, DevOps and Git; Bachelor\u0002s degree required or 4 extra years of experience.
Microsoft Power Apps, Microsoft Power Automate, Microsoft Dataverse, Microsoft Power BI, Power Apps Component Framework (PCF), Microsoft 365 (M365), Microsoft Azure Functions, Microsoft Azure Logic Apps, Microsoft Azure API Management, Microsoft Azure Key Vault, Microsoft SharePoint, JavaScript, TypeScript, HTML, CSS, React, Angular, Vue, Node.js, C#, Git, DevOps
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Web Application Developer, Senior
Washington, District of Columbia, United States
$140k-$170k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
8+ YOEActive TS/SCI eligibility, 8+ years experience, Bachelor's degree or equivalent, Security+ CE (or obtain within 90 days), proficiency with React.js, Node.js, JavaScript, HTML, CSS, SQL, RESTful APIs, Git, and Linux (RHEL).
React.js, Node.js, JavaScript, HTML, CSS, SQL, RESTful API, Git, Linux (RHEL)
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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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Web Developer / Application Security (AppSec) Engineer
Washington, District of Columbia, United States
OnsiteFull Time
ASSYST
ASSYST: An IT firm specializing in digital transformation, DevSecOps, cybersecurity, and AI integration for government agencies.
Experience with secure SDLC, DevSecOps automation, vulnerability remediation, and protecting web applications; development experience with REST APIs, SQL, .NET/C#, JavaScript, Python, Node.js, React, TypeScript; familiarity with SIEM, IDS/IPS, EDR/NDR, Wireshark; U.S. citizenship required; security certifications preferred.
REST APIs, SQL, .NET/C#, JavaScript, Python, Node.js, React, TypeScript, SIEM, IDS/IPS, EDR/NDR, Wireshark, WAF, NIST, FISMA, FedRAMP
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1w
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Web Application Developer, Maryland Coordination and Analysis Center
Baltimore, Maryland, United States
$110k-$125k/yr OnsiteFull Time
University of Baltimore
University of Baltimore: Provides undergraduate, graduate, and professional education in Baltimore.
3+ YOEBachelor's degree (or equivalent experience),3+ years developing enterprise web applications; proficiency with C#, ASP.NET Core, Microsoft SQL Server, T-SQL, JavaScript, HTML/CSS; ability to obtain top-secret clearance.
Microsoft Visual Studio, C#, ASP.NET Core, Razor Pages, JavaScript, HTML, CSS, Microsoft SQL Server, T-SQL, jQuery, Bootstrap, Git, Microsoft Internet Information Services (IIS)
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2w
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Web Application Quality Assurance & Test Engineer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOETS/SCI with polygraph required; 3+ years software test engineering, 2+ years testing web apps, experience with automated test frameworks and scripting, ability to create test plans; bachelor\u0002s degree with 5+ years IT experience or 8+ years experience in lieu of degree.
Playwright, Cypress, Selenium, Google Chrome, Mozilla Firefox, Microsoft Edge, Apple Safari, Opera Browser, Blackberry Browser
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3mo
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Software Developer II - Web Application
Greenbelt, Maryland, United States
RemoteFull Time
GAMA-1 Technologies
GAMA-1 Technologies: Provides IT, cloud, and security services to federal agencies.
2+ YOE2+ years web app development; JS/TypeScript; React/Angular/Vue; AWS; REST/GraphQL; geospatial visualization; performance optimization; ability to obtain security clearance.
JavaScript, TypeScript, React, Angular, Vue.js, AWS, REST API, GraphQL, WebGL
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3w
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Web Application Security Engineer (AppSec / DevSecOps)
Washington, District of Columbia, United States
HybridFull Time
Essnova Solutions
Essnova Solutions: Provides professional and technical services to government entities.
Experience in application security, secure SDLC, vulnerability assessment, WAF, CI/CD/DevSecOps integration, and familiarity with federal frameworks (NIST, FedRAMP); Public Trust clearance or ability to obtain.
SAST, DAST, Software Composition Analysis (SCA), Web Application Firewall (WAF), CI/CD, DevSecOps, AWS, Microsoft Azure, OWASP Top 10, NIST, FedRAMP
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1mo
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SME - Web Application Development
Tysons or United States
$149k-$248k/yr RemoteFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
10+ YOE10+ years in IT/software development or enterprise applications; Bachelor's (or +4 years experience); expertise with Java, SQL, JavaScript, ColdFusion, REST/SOAP, major RDBMS and app servers; production support, troubleshooting, and ability to obtain Public Trust; US work authorization required.
Java, SQL, JavaScript, ColdFusion, REST, SOAP, Oracle, Microsoft SQL Server, Sybase, PostgreSQL, MySQL, Tomcat, JBoss, WebLogic, EAServer, Microsoft Windows Server, Linux, Unix, Metastorm e-Works, ESRI, geocoding solutions, AWS, Microsoft Azure
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Web Developer Security Engineer
Washington, District of Columbia, United States
OnsiteFull Time
MicroTech
MicroTech: Provider of IT integration, cloud, and managed services.
3+ YOEBachelor's degree, 3+ years in web application or application security engineering, experience with AppSec tooling, DevSecOps, WAF/FIM, vulnerability management, and federal compliance (NIST/FISMA/FedRAMP).
.NET (C# MVC, WCF), HTML5, CSS3, JavaScript, REST APIs, SQL, Python, Node.js, TypeScript, Java, React.js, Web Application Firewall (WAF), File Integrity Monitoring (FIM), SIEM, IDS/IPS, EDR, NDR, Wireshark, Docker, Kubernetes, AWS, CI/CD
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1mo
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Application Engineer
Herndon, Virginia, United States
$80k-$110k/yr OnsiteFull Time
Tyler Technologies
Tyler TechnologiesNYSE: TYL: Provides software and technology services for the public sector.
Proficiency in Java, JavaScript, and SQL; experience with relational databases and J2EE application servers; ability to develop and support web-based applications on a low-code platform; bachelor's degree or equivalent.
Java, JavaScript, SQL, Microsoft SQL Server, PostgreSQL, Oracle, J2EE, Tomcat, JBoss, Apache, JSP, iReport
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1w
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Web Developer Security Engineer
Washington, District of Columbia, United States
OnsiteFull Time
MicroTech
MicroTech: Provides IT, network, and cybersecurity solutions for government agencies.
3+ YOE3+ years in web application security or AppSec, bachelor's degree, experience with secure SDLC/DevSecOps, web dev tech (.NET, C#, HTML5, JavaScript), scripting (Python, Node.js), WAF/FIM, SIEM/EDR, and federal compliance knowledge.
.NET, C#, WCF, HTML5, CSS3, JavaScript, REST APIs, SQL, Python, Node.js, TypeScript, Java, React.js, WAF, FIM, SIEM, IDS/IPS, EDR, NDR, Wireshark, AWS, Docker, Kubernetes
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Application Security Engineer
Washington, District of Columbia, United States
$180k-$200k/yr RemoteFull Time
Virtru
Virtru: Provides data-centric encryption and privacy control software for organizations.
4+ YOE4+ years in application security or secure development, strong cryptography and web security knowledge, experience with Node.js and Go, SAST/DAST/IAST/SCA tooling, vulnerability programs (bug bounty, pentest), and familiarity with cloud infra (GCP/AWS) and Kubernetes preferred.
Node.js, Go, Trusted Data Format (TDF), SAST, DAST, IAST, SCA, Burp, ZAP, Qualys, Nessus, GCP, AWS, Kubernetes, Slack, Zoom
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