38 net core developer jobs at 29 companies in Camp Springs, MD

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.Net Applications Developer
Washington, District of Columbia, United States
HybridFull Time
AVER
AVER: Private SDVOSB government contractor delivering data, AI, modernization, mission operations, and biometrics services to 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
2w
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Mid-Level .NET Developer
Colorado Springs or Washington or Colorado
OnsiteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Service-disabled veteran-owned firm specializing in human capital and IT.
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
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Sr. .Net Developer II (6661)
Washington, District of Columbia, United States
$147k-$161k/yr HybridFull Time
MetroStar
MetroStar: AI-enabled technology services provider delivering transformation, cybersecurity, and modernization solutions to U.S. defense and national-security agencies.
8+ YOE8+ years .NET development experience (C#, ASP.NET MVC/Core), React, Node.js, Power Platform, MS SQL, CI/CD and Git; active Secret clearance; local to DMV; bachelor\u0002s in CS or equivalent experience.
.NET, C#, ASP.NET MVC, ASP.NET Core, React, Node.js, GitHub Copilot, OpenAI Codex, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, Microsoft Dataverse, Microsoft SharePoint, SharePoint (2013 or newer), MS SQL, Entity Framework, RESTful API, CI/CD, Git, Microsoft 365, Microsoft Teams, Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft OneDrive
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Senior .Net Developer #1824528
Alexandria, Virginia, United States
$135k-$160k/yr OnsiteFull Time
Network Designs, Inc.
Network Designs, Inc.: Service-disabled veteran-owned federal IT contractor designing network, cybersecurity, applications, and resilient technology solutions for government customers.
10+ YOEU.S. citizen able to obtain Public Trust, 10+ years experience, advanced C#, .NET, ASP.NET Core, Angular, Microsoft SQL Server, RESTful API and web application development.
C#, .NET Core, .NET 6, ASP.NET Core, Angular, TypeScript, HTML, CSS, JavaScript, Entity Framework, Entity Framework Core, Microsoft SQL Server, Git, Microsoft Azure, Microsoft Azure App Services, Azure Functions, Azure SQL, Microsoft Azure DevOps, GitHub, Docker, Kubernetes, xUnit, NUnit, Jasmine, Karma, Cypress, Jenkins, GitHub Actions
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Sr. Backend Engineer (.NET Core)
Washington or Falls Church
RemoteFull Time
Data Society
Data Society: Private consulting and training firm delivering AI, data science, and workforce upskilling solutions to corporations and governments.
6+ YOE6+ years backend development with 4+ years .NET Core/C#, experience leading offshore teams, Azure SQL, Azure Service Bus, Azure API Management, CI/CD with Azure DevOps and Veracode, API and microservices design.
.NET Core, C#, Azure SQL, Azure Service Bus, Azure API Management (APIM), Azure DevOps, Veracode, React, Oracle Fusion Cloud, Claude Code, GitHub Copilot, Cursor
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.NET Services Engineer
McLean or United States
RemoteFull Time
Aretum
Aretum: Private government contractor providing technology-enabled mission support services to federal defense, intelligence, and civilian agencies.
8+ YOE8+ years software development experience with ASP.NET/Core and C#; experience with GraphQL, PostgreSQL, EFCore, Azure, Kubernetes, Azure DevOps, and unit testing; U.S. citizenship and Public Trust eligibility required.
C#, .NET, ASP.NET Core, Entity Framework Core (EFCore), PostgreSQL, GraphQL, Azure, AKS, Azure Pipelines, Azure Key Vault, Kubernetes, Helm, Open Telemetry, Azure DevOps (ADO), Git
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Senior .Net Application Developer
Arlington or Merrifield
OnsiteFull Time
ASRC Federal Technology Solutions
ASRC Federal Technology Solutions: Private Alaska Native-owned technology services contractor delivering IT and professional services to U.S. federal agencies.
10+ YOERequire U.S. citizenship and active Secret clearance; 10+ years software development including 8+ years ASP.NET C# MVC, 5+ years .NET Core, Agile experience, EMR not mentioned; strong SQL, XML, and frontend skills.
ASP.NET, C#, LINQ, MVC, Entity Framework, Unity, Visual Studio 2010, Visual Studio 2017, Team Foundation Server, ReSharper, SharePoint, NHibernate, jQuery, JavaScript, AJAX, HTML, CSS, Oracle, SQL Server, T4 templates, Classic ASP, Concorde, XML
2mo
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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: Private U.S. software providing cloud-based constituent engagement solutions to associations, unions, and nonprofits.
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
2mo
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AWS Senior .NET Modernization Engineer
Baltimore, Maryland, United States
OnsiteFull Time
Aligned Technology Group
Aligned Technology Group: AWS-focused cloud consulting firm helping organizations modernize, secure, optimize, and manage their AWS environments.
5+ YOE5+ years with C# and .NET; experience with .NET Framework and .NET Core/.NET 8; modernizing legacy enterprise applications; REST APIs, SQL Server, Git, Agile; strong communication and problem-solving.
.NET Framework, .NET Core, .NET 8, C#, ASP.NET, Docker, Kubernetes, Amazon EKS, SQL Server, Git, Terraform, CloudFormation, AWS CDK, AWS
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.NET Team Lead
Arlington or Fairfax
$150k-$165k/yr OnsiteFull Time
The Amatriot Group
The Amatriot Group: Service-disabled veteran-owned talent and technology solutions firm serving federal and commercial sectors.
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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Software Engineer (.NET)
Sterling, Virginia, United States
$115k-$150k/yr OnsiteFull Time
Strongbridge
Strongbridge: Veteran-owned federal IT contractor providing software engineering, data management, and technology modernization services.
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
2mo
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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: Private GRC SaaS providing governance, risk, compliance, audit, and ESG software to boards and organizational leaders.
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
2mo
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Mid-Level Full-Stack Developer (.NET/Angular)
Arlington, Virginia, United States
OnsiteFull Time
Pioneering Evolution
Pioneering Evolution: Service-disabled veteran-owned management consulting and custom software firm serving federal acquisition organizations.
3+ YOEBachelor's degree required; minimum 3 years full-stack development with Microsoft .NET Core and modern front-end frameworks; RESTful API design, PostgreSQL familiarity; U.S. citizenship and active Secret clearance; on-site in Washington D.C. metro area.
Microsoft .NET Core, Angular, PostgreSQL, Docker, Kubernetes
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Lead Full Stack Engineer (.Net, Vue/React) - Fully Remote
Baltimore or United States
RemoteFull Time
CoverGo
CoverGo: Modular, no-code insurance platform for health, life, and P&C.
8+ YOE2+ Mgmt8+ years full-stack experience, 2+ years in a lead role, proficiency with .NET Core,C#,GraphQL,MongoDB,Docker,Javascript,Vue.js/React.js,cloud platforms,testing,security and performance optimization.
.NET Core, C#, GraphQL, MongoDB, Docker, Javascript, Vue.js, React.js, AWS, Azure, Google Cloud
1w
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Lead Developer
Harmarville or Washington or Maryland or Virginia
$120k-$128k/yr OnsiteFull Time
Food and Commercial Workers
Food and Commercial Workers: 501(c)(5) nonprofit labor union representing grocery, food-processing, retail, and healthcare workers in the United States and Canada.
7+ YOEBachelor's degree or equivalent experience, 7+ years developing full-stack web applications, and proficiency with C#, .NET Core, REST APIs, React, TypeScript, JavaScript, HTML, CSS, SQL, databases, reporting tools, and Git.
C#, .NET Core, REST APIs, React, TypeScript, JavaScript, HTML, CSS, SQL, Git, COBOL, CI/CD, Microsoft Azure, Microsoft Office
3w
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SNOW Developer
Hyattsville or Washington or Alexandria
$102k-$128k/yr OnsiteFull Time
DMI
DMI: Private IT services firm providing digital transformation and managed technology services to government agencies and commercial enterprises.
4+ YOE4+ years web application development experience, ServiceNow front-end proficiency, back-end language knowledge (C#, .NET Core), DevOps experience, bachelor's degree in related field, eligibility to work in the U.S.
ServiceNow, C#, .NET Core, NUnit, AWS, Azure, SGP, SQL/Oracle, JIRA, Confluence, GIT, Bamboo, Git, Octopus, Docker, PowerShell
1w
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Software Engineer
Chantilly, Virginia, United States
$190k-$230k/yr OnsiteFull Time
Edgesource Corporation
Edgesource Corporation: National-security IT and engineering services serving U.S. defense, intelligence, civilian, and commercial customers.
Demonstrated enterprise software implementation experience and active TS/SCI with polygraph. Experience with .NET Core, cloud-first architecture, Agile development, and software engineering is required or described.
.NET Core, JavaScript, TypeScript, Angular, C#, Java, Python, Microsoft .NET Core, Continuous Integration, FSA
1mo
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Back-End Software Developer
Arlington, Virginia, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Premier technology integrator for defense, space, and civilian markets.
U.S. citizen with active Secret clearance; proven API development using C#/.NET Core or .Net Framework; PL/SQL and relational DB experience; REST/JWT, Git/GitLab, Docker, CI/CD; enterprise application development in Agile.
C#, .NET Core, .Net Framework, PL/SQL, SQL, Git, GitLab, REST, JWT, Docker, CI/CD, VB.NET
1mo
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Software Developer
Linthicum, Maryland, United States
$104k-$166k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
Active SECRET clearance; 3–8+ years experience depending on degree; hands-on development with .NET Core/.NET 6+/ASP.NET Core, C#/Java/Python/PHP, cloud native and containerized solutions; DevSecOps and CI/CD experience.
.NET Core, .NET 6+, ASP.NET Core, C#, Java, Python, PHP, AngularJS, Angular, Apache HTTPD, postGres, Microsoft databases, Azure, Docker, Kubernetes, GitLab, Jira, Confluence, Gitlab CI/CD, Helm
4d
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Software Engineer Subject Matter Expert (SME)
Blue Ridge Summit or Liberty Township or Washington
OnsiteFull Time
Dexian Government Solutions
Dexian Government Solutions: Private federal government contractor delivering enterprise IT, cybersecurity, cloud, AI/ML, and engineering services to government agencies.
10+ YOEBachelor's degree or equivalent experience and 10+ years developing .NET applications, including C#, ASP.NET, .NET Core, SQL databases, system integration, Git, Agile, secure coding, and classified-environment experience. Active Secret clearance required.
C#, ASP.NET, .NET Core, SQL, Git, Risk Management Framework (RMF)