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Frederick • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Frederick • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Frederick • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Frederick • 50 milesRemote · Hybrid · Onsite · Field · All Environments

55 net core developer jobs at 37 companies in Frederick, MD

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2mo

.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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3w

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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Senior .NET Developer

Vienna, Virginia, United States

HybridFull Time

Prime Source Technologies

Prime Source Technologies: Provides IT solutions, software development, and systems integration services.

10+ YOE10+ years of software development experience with 3+ years in .NET Core; expert in C#, ASP.NET Core, EF Core, and LINQ; cloud experience (Azure); microservices and containerization; REST/GraphQL APIs; CI/CD; unit tests; secure coding.

C#, ASP.NET Core, NET Core, Entity Framework Core, LINQ, Docker, Kubernetes, Azure, Azure DevOps, GitHub Actions, SQL Server, T-SQL, Azure Service Bus, RabbitMQ, Kafka, Blazor, Razor Pages, GraphQL, REST, OIDC, Identity Server, Azure AD

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Senior .NET Developer

Columbia or United States

RemoteFull Time

APV

APV: Provides information technology and consulting services to government agencies.

8+ YOEBachelor's degree, minimum 8 years' relevant experience, strong hands-on Microsoft .NET Framework/.NET Core development, Angular, SQL/T-SQL, JavaScript/JSON/HTML/XML, Git/GitHub, Azure DevOps, and experience maintaining legacy enterprise .NET codebases.

Microsoft .NET Framework, .NET Core, Angular, SQL Server, T-SQL, JavaScript, JSON, HTML, XML, Git, GitHub, Azure DevOps, Azure Boards, HEAT, Elasticsearch, Redis

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Sr. .Net Developer II (6661)

Washington, District of Columbia, United States

$147k-$161k/yr HybridFull Time

MetroStar

MetroStar: Provides digital transformation and IT services to government 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 with Azure/Angular

Washington, District of Columbia, United States

OnsiteFull Time

Cognizant

CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.

10+ YOE10+ years .NET development with .NET Core, Azure, Angular; strong SQL Server; DevOps experience; on-site in Washington DC; US work authorization.

.NET Core, C#, VB.NET, SQL Server, SSRS, Azure, Angular, HTML5, CSS3, JavaScript, TypeScript, Docker, ADO.NET, Entity Framework, Azure AD, OpenAI, Data Factory, PowerShell

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Senior .Net Applications Developer

Washington, District of Columbia, United States

OnsiteFull Time

AVER

AVER: Provides data analytics and IT services for federal agencies

8+ YOE8+ years .NET application development experience, proficiency with C#, .NET 6+/Framework 4.8, Azure/DevOps, EF Core, relational and NoSQL databases, web services, authentication protocols, and leadership experience.

Microsoft C#, 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, Cosmos DB, MongoDB, JQuery, AJAX, Telerik Kendo UI, RESTful Web Services, Windows Services, ASP.NET Core, Entra ID (Azure Active Directory), SAML, OAuth 2.0, OpenID Connect, JSON Web Tokens (JWT), RBAC, Microsoft Visual Studio 2022, Azure Logic Apps, Event Grid, GraphQL

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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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.NET Services Engineer

McLean or United States

RemoteFull Time

Aretum

Aretum: Provides technology-enabled mission support services for federal government 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 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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AWS Senior .NET Modernization Engineer

Baltimore, Maryland, United States

OnsiteFull Time

Aligned Technology Group

Aligned Technology Group: Provides AWS-focused cloud consulting and managed technology services.

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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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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.Net Team Lead

Arlington, Virginia, United States

OnsiteFull Time

ASRC Federal

ASRC Federal: Provides engineering and IT services to federal government agencies.

15+ YOEActive Secret clearance and U.S. citizenship required. Minimum 15 years web development (5+ years .Net Core), recent C# and ASP.NET MVC experience, Agile experience, experience with large RDBMS and automated tests.

C#, Java Script, Cascading System Sheets (CSS), SQL, XML, Team Foundation Server, ASP.NET MVC, Visual Studio, .Net Core/Standard, Open Street Maps, e-GIS

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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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Mid-Level Software Engineer (.NET)

Sterling, Virginia, United States

$105k-$125k/yr OnsiteFull Time

Strongbridge

Strongbridge: Provides IT modernization and data strategy for federal agencies.

3+ YOE3-8 years in software development; 2+ years C#, C++, or Java; 2+ years building .NET Framework/ASP.NET Core apps or APIs; 1+ year full-stack with ASP.NET MVC, Angular, Bootstrap; 2+ years SQL Server; Bachelor's degree in CS or related field.

ASP.NET, ASP.NET Core, C#, C++, Java, Angular, Bootstrap, Azure, SQL Server, SSMS, HTML, CSS, JavaScript, TypeScript, Azure Data Lake, Data Factory, Synapse, WPF, XML, JSON, XSLT

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Mid-Level Full-Stack Developer (.NET/Angular)

Arlington, Virginia, United States

OnsiteFull Time

Pioneering Evolution

Pioneering Evolution: Provides strategic acquisition and software solutions for defense 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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Application Engineer

Frederick, Maryland, United States

$110k-$151k/yr HybridFull Time

Banner Life Insurance Company

Banner Life Insurance Company: Provider of term life insurance and retirement solutions.

3+ YOE3+ years of production software development experience; full stack with C#, Javascript; .NET/.NET Core, microservices, Azure DevOps, Agile; strong communication and collaboration.

C#, .NET, .NET Core, JavaScript, TypeScript, Angular, jQuery, HTML, CSS, SQL, Entity Framework, Azure DevOps, Docker, Kubernetes, Cloud (Azure/AWS/GCP), Event Driven Architecture

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Full Stack Developer

Tysons or United States

RemoteFull Time

LMI

LMI: Provides management consulting and digital solutions to federal government agencies.

3+ YOEActive Secret clearance, Bachelor's in CS/IS or related, DoD 8570.01 IAT Level II, 3+ years software development experience, AWS, APIs, GitLab, .NET/.NET Core/C#/Java/Python, Agile and test-driven development experience.

Amazon Web Services (AWS), GitLab, .NET, .NET Core, C#, Java, Python, Agile

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Software Engineer

Chantilly, Virginia, United States

OnsiteFull Time

Edgesource Corporation

Edgesource Corporation: Providing mission-ready national security and IT solutions.

Active TS/SCI clearance; senior software engineering experience; .NET Core; cloud-first modernization; Agile development

NET Core, C#, JavaScript, TypeScript, Angular, Python

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Back-End Software Developer

Arlington, Virginia, United States

$120k-$160k/yr OnsiteFull Time

SAIC

SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.

U.S. citizen with active Secret clearance; experience with C#/.NET Core or .NET Framework, PL/SQL, API development, RESTful services, Git/Gitlab, and enterprise application delivery in Agile environments.

Microsoft .NET Core, Microsoft .NET Framework, C#, PL/SQL, Git, Gitlab, REST API, JWT, Docker, CI/CD

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