408 net software developer jobs at 190 companies in Westminster, MD

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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.NET Software Engineer
Arlington or McLean
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years .NET, C#, Web API experience; Docker and Agile experience; experience migrating to .NET 5/8/10; Secret clearance and Bachelor’s degree required; CI/CD and modern web framework experience preferred.
.NET, .NET 5, .NET 8, .NET 10, C#, Web API, Docker, Java, Python, JavaScript, Angular, React, NodeJS, Jenkins, GitHub Actions, Microsoft Azure DevOps
1mo
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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
2mo
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.NET Developer
Arlington, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOE5–7 years software development experience, active Secret clearance, Bachelor's in CS/related (or equivalent), proficiency in C#, .NET/ASP.NET/.NET Core, React, Razor, Microsoft SQL Server, REST, and Git; strong troubleshooting and communication skills.
C#, .NET, ASP.NET, .NET Core, React, Razor Pages, Razor Views, Microsoft SQL Server, RESTful API, Git, Microsoft Azure DevOps, Entity Framework, TypeScript
1mo
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.NET Software Engineer
Arlington, 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 and C# experience, Web API, Docker, Agile development, experience migrating .NET framework to .NET 5/8/10, CI/CD familiarity, Secret clearance required, Bachelor's degree.
.NET, .NET 5, .NET 8, .NET 10, C#, Web API, Docker, Java, Python, JavaScript, Angular, React, NodeJS, Jenkins, GitHub Actions, Microsoft Azure DevOps
3mo
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.NET Developer (TSC)
Arlington, Virginia, United States
OnsiteFull Time
Prime Source Technologies
Prime Source Technologies: Provides IT solutions, software development, and systems integration services.
3+ YOE2+ years in software development; 3+ years with .NET (C#, ASP.NET, SQL Server, Web Forms); bachelor's or master's degree; secret or top secret clearance; Git/Jenkins; Agile/JIRA preferred.
.NET, C#, ASP.NET, SQL Server, Web Forms, Git, Jenkins, JIRA
1mo
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Senior Engineer – .NET
Bethesda, Maryland, United States
$151k-$184k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
4+ YOEBachelor's in CS or related, 4+ years .NET software development experience, 2 years architecture/design and DevOps/Azure experience, proficiency with Azure DevOps, cloud engineering, .NET Core/ASP.NET, Angular/Express; occasional on-call and background check.
Scrum, Kanban, SAFe, .NET, .NET Core, ASP.NET, Angular, Express, Azure DevOps, Azure Network, DevOps
1mo
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Senior .NET Developer
United States or Washington
RemoteFull Time
Clearwaters.IT
Clearwaters.IT: Provides information technology services and solutions for federal agencies.
8+ YOEU.S. citizen or permanent resident able to obtain Public Trust clearance; 8+ years software development experience (or degree + experience). Strong .NET and Python skills, AWS/Azure, CI/CD, databases, and excellent English communication.
Step Functions, CloudWatch, RDS, Lambda, S3, SQS, SNS, Elastic Container Registry, .NET, Python, Network Load Balancer, Application Load Balancer, Web Application Firewall, DynamoDB, Kinesis Data Stream, Firehose, Java, JavaScript, C#, SQL, RBS, MongoDB, Docker, Kubernetes, GitHub Actions, GitLab CI/CD, GitHub Copilot, Git, Subversion, Jira, Microsoft Azure, Microsoft Office Suite
3d
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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
1mo
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.NET Developer
Arlington or Rosslyn
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
3+ YOEBachelors +5 yrs (or Masters +3 yrs) experience; hands-on .NET development, SQL/Oracle database integration, CI/CD (GitLab/Jenkins/Nexus), deployment automation (Ansible), Okta/CyberArk integration, Jira; US citizenship and active Secret clearance required.
.NET, Oracle, SQL, SQL Developer, SQL Plus, Toad, SQL Server Management Studio, Ansible, GitLab, Jenkins, Nexus, Okta, CyberArk, Jira Service Management, IIS
5d
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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
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
1mo
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.NET Developer Senior
Arlington or Rosslyn
HybridFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
7+ YOEUS citizen with active Secret clearance; 7+ years relevant experience (Masters+7 or Bachelors+9). Hands-on .NET development, Oracle/SQL integration, CI/CD (GitLab, Jenkins, Nexus), Ansible, Okta/CyberArk, IIS, and Jira experience; agile team experience.
.NET, Oracle, SQL Developer, SQL Plus, Toad, SQL Server Management Studio, Ansible, GitLab, Jenkins, Nexus, Okta, CyberArk, Jira Service Management, IIS
2w
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Software Engineer (C#/.NET)
Arlington, Virginia, United States
$108k-$154k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Provides global real estate information, analytics, and online marketplaces.
3+ YOEBachelor's degree,3+ years .NET (C#) development,cloud experience (AWS/Azure),REST/ASP.NET MVC,data modeling,monitoring/telemetry,LLM familiarity and strong communication skills.
C#, .NET Framework, SQL Server, AWS, Azure, Web API, ASP.NET MVC, Lambda, DynamoDB, SQS, Large language models (LLMs)
2w
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Software Engineer (C#/.NET)
Arlington, Virginia, United States
$108k-$154k/yr HybridFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
3+ YOEBachelor's degree, 3+ years C#/.NET development, experience with cloud platforms (AWS/Azure), RESTful services, SQL, distributed systems, monitoring/telemetry, and familiarity with LLMs or agent architectures.
C#, .NET Framework, SQL Server, SQL, AWS, Web API, RESTful web services, ASP.NET MVC, large language models (LLMs), AWS Lambda, Amazon DynamoDB, Amazon SQS
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
5d
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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
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
5d
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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
2d
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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
2w
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Senior .Net Developer #1815017
Alexandria or McLean or Washington
$125k-$140k/yr HybridFull Time
Network Designs, Inc.
Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.
8+ YOEU.S. citizen with active Public Trust clearance, BS in Computer Science (or related), 8+ years' experience, .NET/SQL/Azure experience, EM/VM familiarity, strong communication and critical thinking.
.NET, SQL, Dynamics, Azure Application Service Environments, Windows Virtual Machines, CI/CD