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421 net software jobs at 191 companies in Leesburg, VA

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
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22h
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.NET Software Developer, Senior
Springfield, Virginia, United States
$87k-$182k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
15+ YOEActive TS/SCI clearance and 15+ years of government or DoD software development experience required; .NET expertise and technical leadership required. Bachelor's degree and listed modern development tools preferred.
Microsoft .NET, C#, ASP.NET Core, .NET Framework, Blazor, Entity Framework, SQL Server, RESTful APIs, Azure DevOps, Git, Microsoft Azure, DevSecOps, CI/CD
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4w
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Senior .NET Software Engineer #1821117
Alexandria, Virginia, United States
$125k-$135k/yr OnsiteFull Time
Network Designs, Inc.
Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.
10+ YOEU.S. citizen able to obtain Public Trust, BSc in Computer Science or related, 10+ years' software experience, advanced .NET/C#/ASP.NET expertise, Angular and SQL Server experience, Power Platform and Azure ASE knowledge, DevSecOps/CI/CD and testing experience.
.NET Framework, .NET, C#, ASP.NET, Angular, SQL Server, Microsoft Power Platform, Azure Application Service Environments (ASE), Windows Virtual Machine, IIS, DevSecOps, CI/CD, APIs
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1mo
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Senior .NET Software Developer
Austin or Alexandria or United States
$110k-$140k/yr RemoteFull Time
Advanced Solutions International
Advanced Solutions International: Cloud software for association and non-profit management.
8+ YOE8+ years building web applications; bachelor’s degree in CS or equivalent experience; strong C#, .NET Core, .NET MVC, Entity Framework, Microsoft SQL/Azure SQL, Visual Studio; experience with performance testing and Azure observability.
C#, .NET Core, .NET MVC, Entity Framework Core, Microsoft SQL Server, Azure SQL, Visual Studio, Java 8, Spring, Hibernate, TypeScript, NodeJS, Postgres, MySQL, JMeter, WAPT, Azure Application Insights, Azure App Service, Azure Containers, .NET Aspire, Microsoft Web Forms, Web API, Microsoft .NET Framework, AngularJS, SAFe
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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
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3w
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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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2w
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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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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
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2mo
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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
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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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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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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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2mo
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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
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3w
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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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2w
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C#/.NET Developer, Senior
Washington, District of Columbia, United States
$130k-$145k/yr OnsiteFull Time
Technica Corporation
Technica Corporation: Provides systems engineering and cybersecurity services to federal agencies.
8+ YOEActive Top-Secret with SCI and CI Poly eligibility; Bachelor’s in Computer Science or equivalent; 8+ years software development; 3–5 years C#/.NET experience; ASP.NET, Entity Framework, SQL Server, unit testing, and secure coding.
C#, .NET, ASP.NET, Entity Framework, SQL Server, Git, GitLab, AWS, Azure, Docker
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1w
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Software Developer (.Net/C#)
Quantico, Virginia, United States
$140k-$190k/yr HybridFull Time
Full Visibility
Full Visibility: Provider of technical and engineering solutions for government agencies.
2+ YOE2+ years developing Windows applications with C#/.NET, bachelor’s degree or 6+ years equivalent, Visual Studio, Git/Mercurial, relational DB experience, strong troubleshooting and communication skills.
C#, .NET Framework 4.0, Visual Studio 2012, Git, Mercurial
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2w
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.NET Team Lead
Arlington or Fairfax
$150k-$165k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
15+ YOE15+ years web development experience, 5+ years .NET Core/.NET Standard, active Secret clearance, bachelor’s degree, strong C#, JavaScript, ASP.NET MVC, SQL, XML, TFS, and Agile experience.
C#, JavaScript, CSS, SQL, XML, Team Foundation Server, Visual Studio 2017, ASP.NET MVC, .NET Core, .NET Standard, OpenStreetMap
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1w
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.NET Developer
Herndon, Virginia, United States
$65k-$80k/yr RemoteFull Time
BDR Solutions
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
5+ YOEU.S. citizen able to obtain Public Trust, Bachelor's in IT or equivalent experience, 5+ years .NET development experience including C#, Webforms/MVC/Web API, ADO.Net/Entity Framework, web services, and Agile/Scrum.
.Net 4.x Framework, C#, Webforms, MVC, Web API, ADO.Net, Entity Framework, SOAP, XML, REST, JSON, jQuery, Bootstrap, Ajax, CSS, Microsoft Azure, DEVOP/CICD Pipeline, GITHUB, GIT, SQL, SSDT, MS SSRS, .NET Core Framework, SAFe Agile
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1d
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.Net Custom Developer
Washington, District of Columbia, United States
$79k-$160k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
Requires active Top Secret clearance, production database experience, .NET experience, version control and deployment pipeline knowledge, and strong English communication, critical thinking, and problem-solving skills.
.NET, Oracle, Git, GitLab, GitHub, Git Actions, SVN, C#, Javascript, Typescript, SQL, HTML, CSS, Metastorm BPM
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