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392 net software engineer jobs at 184 companies in Frederick, MD

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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
Help us #BeatIndeed & #BeatLinkedIn
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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1w
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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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3mo
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Software Engineer (.NET) - Secret Clearance
Arlington, Virginia, United States
HybridFull Time
VMD Corp
VMD Corp: Provides airport security screening and cybersecurity for federal agencies.
2+ YOE2+ years hands-on .NET development experience; interim secret clearance; bachelor's in computer science or related field.
ASP.NET, .NET, C#, HTML, CSS, JavaScript, jQuery, XML, Bootstrap, AngularJS, MVC, AJAX, Web Services, Kendo UI, Oracle, PL/SQL, Toad, Visual Studio, IIS, Windows Server, HTTPS, Ansible
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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
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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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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
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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
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6d
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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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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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4d
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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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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
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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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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
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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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3mo
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Software Engineer (.NET) - Secret Clearance
Arlington, Virginia, United States
HybridFull Time
VMD Corp
VMD Corp: Provides airport security screening and federal IT services.
2+ YOE2+ years in .NET stack; bachelor’s in CS or related field; interim secret or higher clearance; US citizen; willing to work hybrid/remote with possible on-site at Ballston, VA.
ASP.NET, .NET, C#, HTML, CSS, JavaScript, JQuery, XML, Bootstrap, AngularJS, MVC, AJAX, Web Services, Kendo, Oracle, PL/SQL, Toad, Visual Studio, IIS, Windows Server, HTTPS, Ansible
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2w
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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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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
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6d
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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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