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214 c net software engineer jobs at 118 companies in Westminster, MD

1mo
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C# / .Net Developer
Washington, District of Columbia, United States
$125k-$155k/yr OnsiteFull Time
Synergy ECP
Synergy ECP: Provides cybersecurity and systems engineering for defense agencies.
8+ YOEBachelor's degree and 8+ years software engineering experience; 3–5 years with C#/.NET, ASP.NET, Entity Framework, and Microsoft SQL Server; experience with REST/RPC, unit/integration testing, secure coding; active TS/SCI clearance and U.S. citizenship required.
C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, Git, GitLab, Docker, AWS, Azure, REST, RPC, CI/CD
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1mo
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C#/.NET Developer
Washington, District of Columbia, United States
$151k-$156k/yr OnsiteFull Time
E-INFOSOL
E-INFOSOL: Provides secure cloud and cybersecurity solutions for government agencies.
8+ YOEActive Top-Secret clearance, Bachelor’s in IT, minimum 8 years experience with 3–5 years using C#/.NET; experience with ASP.NET, Entity Framework, Microsoft SQL Server, REST/RPC, Git/GitLab, unit/integration testing, and secure coding practices.
C#, .NET, ASP.NET, Entity Framework, Microsoft SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD
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1mo
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Cleared C# / .NET Developer
Washington, District of Columbia, United States
$91k-$185k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
3+ YOEBachelor's degree with 3+ years developing software using C#/.NET, ASP.NET, Entity Framework, and SQL Server; unit testing, secure coding, Git/GitLab; active Top Secret clearance and US citizenship; onsite Washington, DC.
C#, ASP.NET, Entity Framework, SQL Server, REST, RPC, Git, GitLab, AWS, Azure, Docker, CI/CD
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2mo
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.NET Software Engineer
McLean, Virginia, United States
$69k-$158k/yr RemoteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years .NET, C#, Web API; Docker; Agile; requirements gathering; Secret clearance; Bachelor's degree.
.NET, C#, Web API, Docker, Agile Methodology, Jenkins, GitHub Actions, Azure DevOps
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4d
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Senior Software Engineer-.Net
Baltimore, Maryland, United States
$110k-$120k/yr HybridFull Time
InVita Healthcare Technologies
InVita Healthcare Technologies: Software for blood, donation, and forensic life-saving operations.
5+ YOEBachelor's degree and 5+ years .Net experience with WinForms, C# or VB.NET, SQL Server, Entity Framework; experience with GIT, Jira, Bitbucket; strong communication and troubleshooting skills.
.Net, WinForms, C#, VB.NET, SQL Server, Entity Framework, GIT, Jira, Bitbucket, DevExtreme, Infragistics, Telerik
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3w
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Senior Software Engineer (C#/.NET)
Arlington, Virginia, United States
$143k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
5+ YOE5+ years .NET (C#) experience, bachelor's degree, experience with large-scale distributed systems, cloud (AWS/Azure), RESTful APIs, telemetry/observability, and familiarity with LLMs or agent architectures.
C#, .NET, SQL Server, AWS, Web API, RESTful, ASP.NET MVC, Lambda, DynamoDB, SQS, LLMs, SQL
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.NET Software Developer, Junior
Arlington, Virginia, United States
$90k-$110k/yr OnsiteFull Time
TIAG
TIAG: Technology and management solutions provider for government and industry.
2+ YOEActive Secret clearance, CompTIA Security+ and CE certifications, 2+ years developing with Microsoft .NET (C#, ASP.NET, .NET Core), experience with HTML/CSS/JavaScript and relational databases, bachelor's degree or equivalent.
C#, ASP.NET, .NET Core, HTML, CSS, JavaScript, Microsoft SQL Server, Oracle, PostgreSQL, Azure DevOps, Git, Jira
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3w
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Senior Software Engineer (C#/.NET)
Arlington, Virginia, United States
$143k-$187k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
5+ YOE5+ years .NET (C#) development experience, AWS/cloud and distributed system experience, REST/ASP.NET MVC, data modeling, familiarity with LLMs and observability; Bachelor’s degree required.
C#, .NET Framework, SQL Server, AWS, Web API, ASP.NET MVC, Lambda, DynamoDB, SQS, large language models (LLMs)
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2mo
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.NET Software Engineer
McLean, Virginia, United States
$69k-$158k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years .NET, C#, Web API; Docker; Agile; .NET 5/8/10; secret clearance; Bachelor's degree.
.NET, Docker, Web API, Jenkins, GitHub Actions, Azure DevOps, CI/CD, Angular, React, Node.js, Java, Python, JavaScript
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1w
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Software Engineer - .NET / SES
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
3+ YOE3–5 years backend software experience with C#/.NET, APIs/microservices, relational databases, CI/CD, cloud (AWS/Azure), and strong problem-solving skills.
C#, .NET, REST, gRPC, SQL Server, MySQL, GitHub, Azure DevOps, Jenkins, Docker, Kubernetes, Kafka, RabbitMQ, IBM MQ, AWS, Azure, React, JavaScript, TypeScript
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1w
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Software Engineer (.NET)
Sterling, Virginia, United States
$115k-$150k/yr OnsiteFull Time
Strongbridge
Strongbridge: Provides IT modernization and data strategy for federal agencies.
4+ YOEBachelor's in CS or related,4+ years software development experience,proficiency in C#,C++ or Java,.NET/ASP.NET Core,ASP.NET MVC,Angular,SQL Server,EMR with strong communication and analytical skills,Public Trust eligibility.
C#, C++, Java, .NET Framework, ASP.NET Core, ASP.NET MVC, Angular, Bootstrap, Microsoft SQL Server, SQL Server Management Studio (SSMS), HTML, CSS, JavaScript, TypeScript, Docker, Kubernetes, AWS, Azure, Google Cloud, Azure Data Lake Services, Data Factory, Synapse analytics, SQL Managed Instance, Google Workspace, Gemini, Windows Presentation Foundation (WPF), JSON, XML, XSLT, Azure DevOps, GitHub
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1mo
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.NET Software Developer
San Antonio or Fairfax or Washington
RemoteFull Time
Pivot Path Solutions
Pivot Path Solutions: Provides IT, cybersecurity, and mission support to government agencies.
6+ YOEBS in CS/engineering/info systems and 6+ years software design and SDLC experience; hands-on ASP.NET, VB.NET, C#.NET, JavaScript, HTML/CSS, Oracle, Visual Studio 2019, Azure DevOps; U.S. Citizenship and active government clearance required.
ASP.NET, VB.NET, C#.NET, jQuery, JavaScript, HTML, CSS, Oracle, Visual Studio 2019, Azure DevOps, UML, Agile Scrum
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1mo
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Software Engineer (.Net, Angular)
Budapest or New York City or Washington or Vancouver or London or Galway or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
Diligent
Diligent: Provides software for corporate governance, risk, and compliance management.
3+ YOE3+ years software engineering experience; strong C#/.NET Core, AWS, REST API, SQL/PostgreSQL; familiarity with Angular, Docker, CI/CD and IaC; degree in CS/Engineering or equivalent experience; good communication skills.
C#, .NET Core, Angular, AWS, PostgreSQL, SQL, NoSQL, Docker, CI/CD, IaC
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1mo
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Senior Software Engineer — C# / WPF
Arlington, Virginia, United States
OnsiteFull Time
CaseGuard
CaseGuard: Provides AI-powered redaction software for video, audio, and documents.
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
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1mo
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Jr. Net, C#, SQL Developer - Active Top Secret required
Washington, District of Columbia, United States
$74k-$92k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
3+ YOEActive Top Secret with SCI eligibility, US citizenship, 3+ years related experience (2+ years software development), Bachelor's in CS/Engineering or equivalent, CompTIA Security+, development experience with Microsoft .NET, C#, SQL, JS, HTML, and strong written communication.
Microsoft .NET, C#, SQL, JS, HTML, CompTIA Security+
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1mo
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Jr. Net, C#, SQL Developer - Active Top Secret required
Washington, District of Columbia, United States
$74k-$92k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
3+ YOEActive Top Secret/SCI clearance, US citizenship, 3+ years related experience (2+ in software development), Bachelor’s degree or equivalent, CompTIA Security+, experience with Microsoft .NET, C#, SQL, JS, HTML, and strong written communication.
Microsoft .NET, C#, SQL, JS, HTML
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1w
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Senior .NET Developer
Washington, District of Columbia, United States
HybridFull Time
Andworx
Andworx: Delivers digital transformation and IT solutions for federal agencies.
8+ YOE8+ years building enterprise .NET applications, experience with ASP.NET/.NET Core/.NET 6, C#, MVC/MVVM, Entity Framework, Oracle, REST/SOAP/JSON/XML, Agile; U.S. citizenship and ability to obtain a Position of Trust (public trust) clearance.
ASP.NET, .NET CORE, .NET 6, MVC, MVVM, Entity Framework, Oracle, Azure DevOps, C#, REST, SOAP, JSON, XML
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3w
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26-2285: .Net Developer - Baltimore, MD
Baltimore, Maryland, United States
$70k-$100k/yr OnsiteFull Time
Navitas Business Consulting
Navitas Business Consulting: Provides digital transformation and IT solutions for government agencies.
5+ YOEBachelor's in CS/Engineering, 5+ years software engineering with expert .NET Core and C#, AWS and SQL/data warehousing experience, ability to lead architecture and mentor staff.
.NET Core, C#, Azure, AWS, SQL, Microsoft Excel
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1w
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Senior .NET Developer
Rockville or United States
HybridContract
eTelligent Group
eTelligent Group: Providing IT modernization and cybersecurity solutions for federal government agencies.
US citizen required. Proficient in .NET Core/.NET 8, C#, Azure services, API security, Microsoft Entra ID/B2C, Azure OpenAI/Azure AI Foundry, GitHub Copilot, CI/CD, containers, SQL/Cosmos DB, and modern UI frameworks.
.NET Core, .NET 8, C#, Azure, App Services, Functions, API Management, Service Bus, Azure SQL, Azure OpenAI, Azure AI Foundry, GitHub Copilot, GitHub, Azure DevOps, CI/CD, Cosmos DB, Blazor, React, Angular, Microsoft Entra ID/B2C
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1w
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.Net Applications Developer
Washington, District of Columbia, United States
HybridFull Time
AVER
AVER: Provides data analytics and IT services for federal agencies
5+ YOE5+ years .NET application development experience with C#, .NET Core/.NET 6+, Azure DevOps/GitHub Actions, EF Core, SQL/Oracle, REST APIs, and secure authentication; bachelor’s degree or equivalent experience.
Microsoft C# (.Net CORE), Microsoft .NET 6, Microsoft .NET Framework 4.8, Microsoft Azure DevOps, GitHub Actions, Azure App Services, Azure Functions, Azure API Management, Azure Storage, Azure Key Vault, Entity Framework Core (EF Core), SQL Server, Oracle, MVC, MVVM, jQuery, AJAX, Telerik Kendo UI, RESTful Web Services, Windows Services, ASP.NET Core, Entra ID (formerly Azure Active Directory), SAML, OAuth 2.0, OpenID Connect, JSON Web Tokens (JWT), Microsoft Visual Studio 2022, Azure Logic Apps, Event Grid, Cosmos DB, GraphQL
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