236 dotnet developer jobs at 109 companies in Thurmont, MD

1mo
Save
Mark Applied
Hide
Software Developer
Herndon, Virginia, United States
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
3+ YOEActive security clearance with polygraph; 3+ years software development experience or bachelor's degree; proficiency in JavaScript/Java/ASP.NET and scripting languages; experience with application security, accreditation, and SCRUM.
SCRUM, JavaScript, Java, ASP.NET, Perl, PHP, Ruby on Rails, Flex, Silverlight, Google Earth Plugin
2mo
Save
Mark Applied
Hide
Software Developer
Sterling, Virginia, United States
OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
TS/SCI with Polygraph required Day 1; strong software development skills with proficiency in JavaScript, Java, ASP.NET or scripting languages; experience with software lifecycle, security patching, and vulnerability assessment.
SCRUM Agile, JavaScript, Java, ASP.NET, Perl, PHP, Ruby on Rails, Flex, Silverlight, Google Earth Plugin
3mo
Save
Mark Applied
Hide
Software Developer
Herndon, Virginia, United States
$112k-$179k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
5+ YOETS/SCI with polygraph or ability to obtain; 5+ years software development; .NET, HTML, C#; DevOps tools; SQL Server; JavaScript; CSS; cross-browser code; strong teamwork and communication.
.NET, HTML, C#, JavaScript, Git, Azure DevOps, SQL Server, CSS
2w
Save
Mark Applied
Hide
AFS Developer
Baltimore, Maryland, United States
$45-$56/hr HybridFull Time
State of Maryland
State of Maryland: Provides public governance and services for Maryland residents.
7+ YOE7+ years designing, developing, testing, implementing and maintaining application or systems software; experience with Microsoft Dynamics 365, X++, AOT, .NET, C#, Visual Studio, Power Automate, Power BI, and SSRS.
X++, AOT, Power Automate, Robotic Process Automation (RPA), .NET, C#, Visual Studio, Power BI, SSRS, Microsoft Dynamics 365, Microsoft Excel
1mo
Save
Mark Applied
Hide
Web Developer
Linthicum, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
7+ YOEActive TS/SCI with Polygraph, 7+ years software engineering experience, Bachelor in Computer Science (or equivalent experience), DoD 8570 IAM Level I certification, experience with modern web technologies and secure development.
PHP, .NET, C#, Java, Node.js, Python, HTML, CSS, JavaScript, Vue.js, React, Linux, Nginx, Apache, Tomcat, PowerShell, IAM, EC2, Application Load Balancer (ALB), Amazon S3, Amazon RDS, CloudWatch, CI/CD
1mo
Save
Mark Applied
Hide
CRM Developer
Cockeysville or Hunt Valley
$115k-$125k/yr HybridFull Time
Sinclair
SinclairNASDAQ: SBGI: Operates television stations and produces news and sports programming
5+ YOEBachelor's in CS/IS, 5+ years software engineering/CRM development (3+ years Dynamics 365), strong .NET/C#, SQL, JavaScript/TypeScript, Power Platform, Azure, REST/SOAP integrations, and collaboration skills.
Microsoft Dynamics 365 CRM, Microsoft Dataverse, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, .NET, C#, SQL Server, T-SQL, JavaScript, TypeScript, HTML, CSS, REST APIs, SOAP, Azure Functions, Logic Apps, Service Bus, Azure DevOps, Git, Microsoft Graph, Microsoft Entra ID (Azure AD), Angular, React, CI/CD, Codex, ChatGPT, CoPilot, Foundry
3d
Save
Mark Applied
Hide
FABIS Lead Engineer
Bethesda, Maryland, United States
$190k-$210k/yr HybridFull Time
Ideal Innovations
Ideal Innovations: Provide biometric and forensic solutions for government agencies.
Requires C# software development, WPF, .NET website development, REST APIs, relational databases, DoD IAT Level II certification, U.S. citizenship, and current Top Secret with SCI Poly clearance.
C#, .NET, WPF, REST API, Microsoft SQL Server, RabbitMQ, Git
1mo
Save
Mark Applied
Hide
CNO Developer
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOE6+ years programming with OOP languages, 4+ years developing Windows/.NET or UNIX build environments, experience with C/C#/C++/Java, software lifecycle management, TS/SCI with polygraph; bachelor’s in Computer Science + 1+ year embedded dev or 4+ years embedded dev in lieu.
Microsoft Visual Studio, Microsoft .NET, C, C#, C++, Java, Python, Assembly, PerlScript
5d
Save
Mark Applied
Hide
Software Developer, Expert
Herndon or McLean or United States
OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
11+ YOERequires 11+ years of software development experience and a technical bachelor's degree or equivalent. Must know object-oriented programming, software design, databases, testing, and enterprise applications.
C#, .NET, Java, Kotlin, C++, Microsoft Windows, PowerShell, IIS, Jenkins CI/CD, AWS, Microsoft Azure, GitHub, Jira, Confluence, Git
5d
Save
Mark Applied
Hide
Software Developer, Senior
Herndon or Virginia or United States
$133k-$226k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
6+ YOERequires 6+ years of software development experience, a related technical bachelor's degree or equivalent, object-oriented programming, enterprise applications, databases, testing, debugging, and software lifecycle experience.
C#, .NET, Java, Kotlin, C++, PowerShell, Microsoft Windows, IIS, Jenkins, AWS, Microsoft Azure, GitHub, Jira, Confluence
2w
Save
Mark Applied
Hide
Senior SharePoint Developer
McLean, Virginia, United States
$120k-$140k/yr HybridFull Time
Revolutional
Revolutional: Delivers advanced technology and mission support to federal agencies.
10+ YOE10+ years SharePoint and Microsoft enterprise development experience with Azure, Power Platform, Dynamics 365, Power BI, and .NET; ability to obtain Public Trust; leadership and modernization experience.
SharePoint Online, SharePoint Server, SharePoint Framework (SPFx), React, TypeScript, Power Apps, Power Automate, Power Pages, Power Virtual Agents, Dynamics 365 CRM, Azure, Power BI, Power BI Report Builder, SQL Server Reporting Services (SSRS), .NET Framework, .NET Core, .NET 8+, ASP.NET MVC, ASP.NET Web API, Blazor, C#, Azure Entra ID, Microsoft Copilot Studio, Azure OpenAI Services, Azure AI Foundry, Microsoft Fabric, Azure Cognitive Services, AI Search (Azure AI Search), Azure Integration Services
1mo
Save
Mark Applied
Hide
Senior ServiceNow Developer
Baltimore or Woodlawn
$90k-$176k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
8+ YOE5+ MgmtExperienced ServiceNow developer with 8+ years, technical leadership, solution architecture, AWS experience, Public Trust eligibility, REST/SOAP and web dev skills, and multi-module ServiceNow expertise.
ServiceNow, AWS Cloud Management Platform, X-HTML, CSS3, SQL, XML, Angular, JavaScript, PHP, .NET, Java, REST, SOAP, SAML, Active Directory, LDAP
3w
Save
Mark Applied
Hide
Senior Software Developer
Reston, Virginia, United States
OnsiteFull Time
Guidance Residential
Guidance Residential: Provides Shariah-compliant home financing through a-ownership model.
5+ YOE5+ years application development experience, bachelor\u0002s or equivalent, strong C#/.NET and SQL skills, LOS and mortgage domain knowledge, integrations and reporting experience, project leadership and documentation skills.
Integra EPIC LOS, C#, .NET, Python, R, PowerShell, JavaScript, VB.NET, Microsoft SQL Server, T-SQL, XML, JSON, Microsoft Power BI, SSRS, Crystal Reports, SSIS, Azure SQL, Synapse, Snowflake, REST, SOAP, OAuth, TLS, Git, Microsoft Azure DevOps, GitHub, Bitbucket, Azure DevOps Boards, Jira, Microsoft SharePoint, Confluence, Microsoft Teams, Microsoft Power Automate, Microsoft Power Apps
2mo
Save
Mark Applied
Hide
Senior Software Developer
Bethesda, Maryland, United States
$90k-$130k/yr HybridFull Time
Spatial Front
Spatial Front: IT solutions and mission support for government agencies.
5+ YOEUS citizen with 5+ years IT/software development experience; expertise with automation/orchestration (Ansible, Python, Jenkins), AIOps/ML, enterprise monitoring (SolarWinds, New Relic, Splunk), ServiceNow, AWS/Azure, and networking concepts.
Ansible, Ansible Tower, Jenkins, Python, SolarWinds, New Relic, New Relic APM, Splunk, ServiceNow, Cisco DNAC, Cisco DNA Center, Aternity, Oracle Enterprise Manager (OEM), Oracle, Microsoft SQL Server, Java, .NET, AWS, Azure, ITSM, ITIL, AIOps, ML, NLP
1mo
Save
Mark Applied
Hide
Lead Application Developer
Bethesda, Maryland, United States
OnsiteFull Time
Analytica
Analytica: Provides data analytics and IT solutions for federal government agencies.
7+ YOE7+ years enterprise software development experience; technical lead experience on federal IT programs; ability to obtain Public Trust; proficiency with C#, ASP.NET, .NET Framework, SQL Server (T-SQL), HTML, XML, and JavaScript; strong communication and release management skills.
C#, ASP.NET, .NET Framework, SQL Server, T-SQL, HTML, XML, JavaScript
3mo
Save
Mark Applied
Hide
Software Engineer
Herndon, Virginia, United States
$130k-$265k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
4+ YOE4-7+ years in software development across data, application, and UI layers; APIs, cloud, and data tooling experience; TS/SCI clearance.
Java, C#/.NET, SQL, JavaScript, HTML, XML, Python, R, Spark, Apache Iceberg, EMR, NiFi, Kubernetes
3w
Save
Mark Applied
Hide
Software Engineer
McLean, 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+ YOEFull-stack web development experience (2+ years) with OOP (C# or Java), HTML/CSS/JavaScript, relational DBs, cloud/containers, CI/CD, and eligibility for Secret clearance.
C#, Java, HTML, CSS, JavaScript, jQuery, Vue, SQL Server, PostgreSQL, AWS, Azure, Docker, Kubernetes, Windows Server, NET Core, Web API, IIS, MVC, LINQ, Entity Framework, Jenkins, GitHub Actions, PowerShell, Python, RabbitMQ, Kafka, React
2w
Save
Mark Applied
Hide
Senior Engineer - Durable Compliance
Renton or Palo Alto or Richardson or Bethesda
$75k-$215k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
3+ YOE4+ years software development experience with Duck Creek and 3+ years with .NET/C#; experience in architecture, cloud, DevOps, monitoring, security, and microservices; bachelor's degree or equivalent.
Duck Creek, C#, .NET, Visual Studio, SQL Server, ASP.NET, MVC, Web API, Java, Python, Go, JavaScript, TypeScript, HTML-5, Angular, React, XML, JSON, RESTful Web Services, Event Driven Architectures, SQL, NoSQL, Docker, Kubernetes, Azure, Azure DevOps, AWS, GCP, ManuScript, CBO, Author
2mo
Save
Mark Applied
Hide
Senior Software Developer
Herndon, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides engineering and digital modernization solutions for national security.
6+ YOETop Secret/SCI with Poly, 6+ years in software development, BS in CS/Info Security or related field, proficient in .NET/C#/WPF/XAML/C++, ASP.NET Web API, HTML/CSS, Python, PowerShell; Windows apps/services/web services on IIS; AWS/Azure; GitHub/Jira/Jenkins/Confluence; STS/DataHound; PowerBI; Windows admin/troubleshooting; SDLC and IIS deployments.
.NET, C#, WPF/XAML, C++, ASP.NET Web API, HTML/CSS, Python, PowerShell, IIS, AWS, Azure, GitHub, Jira, Jenkins, Confluence, Secure Token Service, DataHound, PowerBI
4w
Save
Mark Applied
Hide
Full-Stack Developer
Leesburg, Virginia, United States
OnsiteFull Time
Cornerstone Chapel
Cornerstone Chapel: Providing Christian worship services and community outreach programs.
3+ YOEBachelor's degree in CS/IT, 3–5 years full-stack development experience, proficiency in C#, .NET, Microsoft SQL Server, HTML5/CSS3/JavaScript, Git; experience with Rock RMS, REST APIs and on-premise hosting preferred.
Rock RMS, C#, .NET, Microsoft SQL Server, HTML5, CSS3, JavaScript, Git, REST APIs, Proxmox, CEPH