650 dotnet jobs at 261 companies in Herndon, VA
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Platform Architect and Engineering Lead
Atlanta or McLean
$87k-$198k/yr OnsiteFull Time
7+ YOE7+ years in software architecture/implementation, experience leading 20+ engineers, AWS and hybrid cloud architecture, Python/Dotnet/Java development, Linux/Unix and shell scripting, Gen-AI tool experience, bachelor's degree, ability to obtain Public Trust.
Python, Dotnet, Java, GitHub Copilot, Codex, Claude Code, AWS, Microsoft Azure, Linux, Unix
1mo
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Software Engineer - Team Lead (Active Secret Clearance)
Alexandria, Virginia, United States
$140k-$145k/yr OnsiteFull Time
6+ YOEActive Secret clearance, bachelor\u0002s degree or equivalent, 6+ years IT experience, IAT Level II, strong full-stack and cloud (Azure) development, DevSecOps, and leadership skills.
C#, Java, ASP.NET, .NET MVC, Entity Framework, Angular2+, AngularJS, TypeScript, JavaScript, (X)HTML, CSS, Knockout, Azure, Microsoft 365, AWS, Bicep, ARM Templates, Desired State Configuration (DSC), Azure DevOps, GitHub, GitLab, YAML, Docker, Kubernetes, API Gateway, Swagger (OpenAPI), SQL, SQL Server Integration Services (SSIS), NuGet, Azure Artifacts, Chocolatey, Power Apps, Power BI, Azure App services
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Senior Geospatial Application Developer
Washington, District of Columbia, United States
HybridFull Time
6+ YOEBachelor's in a related field, 6+ years relevant experience, experience leading development teams, proficiency with Python/C++/JavaScript/C#/ .NET, ArcGIS Enterprise/Server, federal IT/cybersecurity requirements, and strong communication.
Python, C++, JavaScript, C#, .NET, ArcGIS Enterprise, ArcGIS Server, ArcGIS APIs, ArcGIS SDKs, ArcGIS GeoEvent Server, Kubernetes, DevSecOps, CI/CD
1w
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SCADA Migration & Integration Lead
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$87k-$266k/yr OnsiteFull Time
5+ YOERequires 5+ years of CygNet expertise, 2+ years integrating PI/AVEVA data and leading live cutovers, plus a bachelor's degree or equivalent experience. Ignition, Kafka, .NET, Python/Jython, SQL, and industrial security are valued.
CygNet, Ignition, REST, API, Kafka, .NET, AVEVA, Python, Jython, Wonderware, Galaxy, SQL, AutoSol, FlowCal, IEC 62443, NIST 800-82
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Senior Full Stack Developer
Washington or Maryland or Virginia
OnsiteFull Time
6+ YOE6+ years building enterprise applications with C#/.NET or Java; modern JavaScript (React/Angular); SQL databases; Microsoft Azure and Azure DevOps experience; Agile, DevSecOps, and active DoD Secret clearance required.
C#/.NET, Java, JavaScript, React, Angular, RESTful APIs, SQL Server, PostgreSQL, Oracle, Microsoft Azure, Azure DevOps, Docker, Kubernetes, Terraform, Bicep, ARM Templates, PowerShell, Python, Bash
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Solutions Architect
Washington, District of Columbia, United States
HybridFull Time
10+ YOE5+ MgmtBachelor's in CS, 10+ years software engineering, 5+ years as technical lead/solutions architect; experience with Microsoft 365, SharePoint Online, Azure, enterprise integrations, Agile leadership; able to obtain Public Trust.
Microsoft 365, SharePoint Online, Azure Government, Power Apps, Power Automate, Power BI, ASP.NET, C#, .NET, SQL Server, REST APIs, Azure DevOps, Git, CI/CD, DevSecOps, PowerShell
1d
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Mid-Level .NET Developer
Colorado Springs or Washington or Colorado
OnsiteFull Time
4+ YOERequires 4+ years of C#/ASP.NET development, .NET Framework or .NET Core, Entity Framework, Visual Studio, SQL Server, GitLab, data integration, reporting, and an active Final DoD Secret clearance.
C#, ASP.NET, ASP.NET Framework, Microsoft .NET Core, Entity Framework, SQL Server, Web API, Microsoft Visual Studio, GitLab, CI/CD, Agile, SAFe
1d
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Software Engineer – Mid-Level & Senior-Level (2 Openings)
Washington or Gaithersburg
$199k/yr OnsiteFull Time
5+ YOETechnical bachelor's degree required. Mid-level requires 5+ years and senior level 7+ years of full-stack software engineering experience with enterprise applications, cloud computing, databases, APIs, security, and lifecycle management.
Java, .NET, Oracle, Microsoft SQL Server, APIs, AWS, Microsoft Azure, Kubernetes
1mo
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Quality Assurance Engineer
Annapolis, Maryland, United States
HybridFull Time
4+ YOE4+ years QA experience preferred; bachelor's in CS or related; hands-on manual testing, test documentation, SQL and database testing; experience testing web, mobile, and desktop apps; strong communication and problem-solving skills; familiarity with Confluence, Jira, Postman, Swagger, Figma, and Zephyr.
Confluence, Jira, Postman, Swagger, Figma, Zephyr, SQL, Playwright, Selenium, CI/CD, Git, ASP.NET, C#
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Junior Software Tester
Springfield or Arlington
$40k-$80k/yr RemoteFull Time
0+ YOEBachelor's in CS or related, 0-3 years' software development experience, proficiency in Java/.NET/JavaScript and testing (functional, integration, API, performance), familiarity with Agile, CI/CD, and cloud platforms.
Java, C#, C++, ASP.Net, Python, JavaScript, Spring MVC, Spring Boot, Scala, Http4s, Node.js, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, Docker, Kubernetes, Git, GitHub, JIRA, SAFe, Jenkins, GitLab CI/CD, GitHub Actions, JUnit, PyTest, Jest, AWS, Microsoft Azure, Google Cloud Platform
1w
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Full Stack Developer - (BEAGLE)
Ashburn or United States
$75k-$120k/yr HybridFull Time
7+ YOE7+ years professional experience with full-stack Java or C# (.NET Core) development, Spring, Angular/React, relational databases, and software lifecycle practices; U.S. citizenship and ability to pass background checks required.
Java, C#, .NET Core, Spring MVC, Spring Boot, Angular, React, PostgreSQL, Hibernate, Entity Framework, Git, AWS
3w
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Senior Full-Stack Developer
Reston, Virginia, United States
OnsiteFull Time
7+ YOE7+ years building full-stack apps with modern JavaScript/TypeScript front ends, a mainstream backend (Node.js, Python, Java, .NET), relational databases, system integrations, secure development, and offline-resilient designs.
JavaScript, TypeScript, Node.js, Python, Java, .NET, ASYCUDA, SYDONIA, ETL, ELT, CI/CD
4d
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Senior Data Science & Analytics Engineer
Herndon, Virginia, United States
$146k-$234k/yr OnsiteFull Time
12+ YOEBachelor's degree and 12+ years of relevant experience, or 16 years in lieu of degree; 3+ years in data science; TS/SCI clearance, CI polygraph eligibility, and experience with data analysis, engineering, visualization, and statistical programming.
R, Python, SQL, Java, Linux, Ruby, .NET, C#, C++, JSON, XML, XSLT, JDBC, SOAP, REST
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Systems Analyst - ERP (Frederick, Maryland, MD, US, 21704)
Frederick, Maryland, United States
$100k/yr OnsiteFull Time
Experience with ERP systems, testing, debugging, configuration, cloud-based application support, report/form development, Microsoft Office and SQL, and programming knowledge (VB/VBA/ASP.NET/ADO.NET/Java/C++/ABAP).
ERP, SAP, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, SQL, Microsoft SharePoint, VB, VBA, ASP.NET, ADO.NET, Java, C++, ABAP
2mo
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Senior Software Engineer — C# / WPF
Arlington, Virginia, United States
OnsiteFull Time
5+ YOEBachelor's in CS, 5+ years professional software development (3+ years .NET desktop), expert C#/.NET, deep WPF/XAML and multithreading, profiling/optimization, MVVM and SOLID, mentoring and Agile experience.
C#, .NET, WPF, XAML, TPL, async/await, FFmpeg, C/C++, P/Invoke, SignalR, WebSockets, REST APIs, MVVM
1mo
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Web Developer Security Engineer
Washington, District of Columbia, United States
HybridFull Time
3+ YOE3+ years in web application security or secure software development; hands-on experience with .NET, HTML5, CSS3, JavaScript, REST APIs, and SQL; DevSecOps automation, vulnerability remediation, OWASP Top 10 knowledge, and relevant security certifications.
.NET, HTML5, CSS3, JavaScript, REST APIs, SQL, OWASP Top 10, WAFs
3w
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Principal Software Engineer
Tysons, Virginia, United States
$168k-$214k/yr HybridFull Time
15+ YOEBachelor's or equivalent, 15+ years software development, strong object-oriented skills, C#/.NET experience preferred, database design, technical leadership and mentoring experience.
C#/.NET
1d
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Legal Solutions Architect
United States or New York City or California or San Francisco or Washington or Los Angeles or Orange County or Santa Monica or Sacramento or Boston or Seattle
$101k-$170k/yr HybridFull Time
3+ YOERequires 3–6 years of software development experience, strong C#/.NET, Python, and JavaScript skills, cloud and API development experience, and familiarity with Microsoft Azure, Power Platform, and AI platforms.
C#, .NET, Python, JavaScript, PowerShell, TypeScript, HTML, CSS, JSON, REST, Model Context Protocol (MCP), Webhooks, OAuth2, Microsoft Azure, Azure Functions, Azure App Service, Azure Blob Storage, Power Query, M language, Microsoft Power Platform, Microsoft Power Automate, Microsoft Power Apps, Microsoft Dataverse, Copilot Studio, Azure AI Foundry, Playwright, Selenium, Puppeteer, Aspose, SQL, NoSQL, React, Svelte, Browser DevTools, GitHub, GitHub Actions
1mo
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Junior Full Stack Developer
Sterling, Virginia, United States
OnsiteFull Time
0+ YOE0–2 years software development experience; eligible for security clearance; basic knowledge of HTML5, CSS3, JavaScript (ES6+), a front-end framework (React/Angular/Vue.js), a back-end technology (.NET/Node.js/Java Spring Boot/Python), REST APIs, SQL/NoSQL, and Git.
HTML5, CSS3, JavaScript (ES6+), React, Angular, Vue.js, Node.js, .NET, Java, Java Spring Boot, Python, REST APIs, SQL Server, MySQL, PostgreSQL, Git
23h
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Technical Lead (.Net) (6759)
Reston, Virginia, United States
$125k-$135k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent experience; 8+ years designing or modernizing enterprise technology solutions; 3+ years providing technical leadership, hands-on development, architecture, integrations, and executive communication.
Microsoft .NET, Microsoft SQL Server, APIs, Agile